| 1563467 |
Java black rot |
Lasiodiplodia theobromae |
Early stages of Java Black Rot. The rot is firm, moist, and black. Look for locules in the stromatic tissue containing spores. It is a serious storage rot that develops rapidly. The fungus is often called Diplodia tubericola. (Jewel, Jan 73) |
| 1563129 |
unknown virus |
|
Cucumbers showing mosaic symptoms caused by a virus. |
| 1563218 |
sweetpotato |
Ipomoea batatas |
Sweetpotato plantbeds. Workers removing sprouts from bedded storage roots to be used to plant fields. |
| 1563597 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
|
| 1563598 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
|
| 1563599 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
|
| 1563600 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
|
| 1563648 |
flooding/high water |
|
Roots in saturated soil may asphyxiate with ethanol accumulation. Affected roots when cut open have a sweet odor, reduced latex flow, glossy appearance and rot in storage (Nov77, cv.Jewel ), in sweetpotato, this is called 'sour'. |
| 1563647 |
flooding/high water |
|
Roots in saturated soil may asphyxiate with ethanol accumulation. Affected roots when cut open have a sweet odor, reduced latex flow, glossy appearance and rot in storage (Nov77, cv.Jewel). In sweetpotato, this condition is called "sour." |
| 5449455 |
hemlock woolly adelgid |
Adelges tsugae |
Settled on host plant |
| 5449453 |
hemlock woolly adelgid |
Adelges tsugae |
An adult hemlock woolly adelgid, Adelges tsugae, removed from its host plant and cleaned for imaging.
Host: Tsuga canadensis |
| 5449454 |
hemlock woolly adelgid |
Adelges tsugae |
Host: Tsuga canadensis |
| 5444162 |
spotted wing drosophila |
Drosophila suzukii |
|
| 5444163 |
spotted wing drosophila |
Drosophila suzukii |
Ovipositor |
| 5439816 |
spotted wing drosophila |
Drosophila suzukii |
|
| 1543023 |
two-banded Japanese weevil |
Pseudocneorhinus bifasciatus |
|
| 1543027 |
two-banded Japanese weevil |
Pseudocneorhinus bifasciatus |
|
| 1543029 |
two-banded Japanese weevil |
Pseudocneorhinus bifasciatus |
|
| 1549693 |
avocado weevil |
Heilipus apiatus |
|
| 1563650 |
asphyxiation |
|
Roots in saturated soil may asphyxiate with ethanol accumulation. Affected roots often have water soaked appearance with dark eyes. When cut open have a sweet odor, reduced latex flow, glossy appearance and rot in storage. Large root at left is healthy. (Nov77, cv.Jewel ) |
| 1563649 |
asphyxiation |
|
649 Roots in saturated soil may asphyxiate with ethanol accumulation. Affected roots often have water soaked appearance with dark eyes. When cut open have a sweet odor, reduced latex flow, glossy appearance and rot in storage (Nov77, cv.Jewel) |
| 1543684 |
boxwood leafminer |
Monarthropalpus flavus |
|
| 1563693 |
fasciation |
|
Fasciation is characterized by very wide stems caused by the lateral fusion of buds in their formative stages. The incidence in a field is usually very low. |
| 1563689 |
edema |
|
Edema are blisters forming on the surface of roots. The blisters may rupture and turn black when (Feb92, cv.Jewel)
l |
| 1563690 |
edema |
|
Cross section through an edema blister on the surface of a root. Notice the enlarged, colorless cells forming the blister that easily ruptures and turn black when colonized by microbes (Feb92, cv.Jewel)
|
| 1563691 |
edema |
|
Cross section through an edema blister on the surface of a root. Notice the enlarged, colorless cells forming the blister that easily ruptures and turn black when colonized by microbes (Feb92, cv.Jewel)
|
| 1563692 |
edema |
|
Cross section through an edema blister on the surface of a root. Notice the enlarged, colorless cells forming the blister that easily ruptures and turn black when colonized by microbes (Feb92, cv.Jewel)
|
| 1563701 |
edema |
|
Edema pustules usually are on the abaxial leaf surface. |
| 1563702 |
edema |
|
Edema pustules on leaf. Left abaxial surface with many pustules, right adaxial surface has no pustules. |
| 1563686 |
edema |
|
Photomicrograph showing enlarged cells in a blister between the periderm and parenchyma, 100x. (Jan92). |
| 1563687 |
edema |
|
Edema are blisters forming on the surface of roots. The blisters may rupture and turn black when ruptured and colonized by microbes (Feb92, cv.Jewel). |
| 1563688 |
edema |
|
Edema are blisters forming on the surface of roots. The blisters may rupture and turn black when ruptured and colonized by microbes (Feb92, cv.Jewel) |
| 1563682 |
edema |
|
Edema are blisters forming on the surface of roots. The blisters may rupture and turn black when ruptured and colonized by microbes. |
| 1563683 |
edema |
|
Photomicrograph showing enlarged cells in a blister. |
| 1563685 |
edema |
|
Photomicrograph showing enlarged cells in a blister between the periderm and parenchyma, 100x. (Jan92) |
| 1563678 |
edema |
|
Edema are blisters forming on the surface of roots. Lower roots also with black rot.
|
| 1563679 |
edema |
|
Edema are blisters forming on the surface of roots. |
| 1563680 |
edema |
|
Edema are blisters forming on the surface of roots. The blisters may rupture and turn black when ruptured and colonized by microbes. |
| 1563662 |
boron deficiency |
|
Blister caused by boron deficiency appears as raised purple/brown spots. Scurf spots may be similar but are not raised. Spotting may occur internally especially near the vascular ring. Blister may develop in storage. (Feb92,cv.Beauregard) |
| 1563663 |
boron deficiency |
|
Blister caused by boron deficiency appears as raised purple/brown spots. Scurf spots may be similar but are not raised. Spotting may occur internally especially near the vascular ring. Blister may develop in storage. (Feb92, Hernandez) |
| 1563664 |
boron deficiency |
|
Blister caused by boron deficiency appears as raised purple/brown spots. Scurf spots may be similar but are not raised. Spotting may occur internally especially near the vascular ring. Blister may develop in storage. (Dec92, cv. Hernandez |
| 1563665 |
boron deficiency |
|
Blister caused by boron deficiency appears as raised purple/brown spots. Scurf spots may be similar but are not raised. Spotting may occur internally especially near the vascular ring. Blister may develop in storage. (Feb92, cv. Hernandez)
|
| 1563659 |
boron deficiency |
|
Blister caused by boron deficiency appears as raised purple/brown spots. Scurf spots may be similar but are not raised. Spotting may occur internally especially near the vascular ring. Blister may develop in storage. (Nov79) |
| 1356001 |
yellow potato cyst nematode |
Globodera rostochiensis |
Cysts on potato root. |
| 1563641 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut. Internally the flesh may be spongy and watery and later develop cavities and dark streaks followed by root rotting fungi (cv.Jewel, May78). |
| 1563642 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut. Internally the flesh may be spongy and watery and later develop cavities and dark streaks followed by root rotting fungi (cv.Jewel, Apr77).
|
| 1563643 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut. Internally the flesh may be spongy and watery and later develop cavities and dark streaks followed by root rotting fungi (cv.Jewel, Dec70).
|
| 1563645 |
flooding/high water |
|
Standing water injury. Notice raised lenticels (Sep71, cv.Jewel). |
| 1563633 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut (cv.Jewel, Dec70). |
| 1563634 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut (cv.Jewel, Dec70).
|
| 1563635 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut. Internally the flesh may be spongy and watery and later develop cavities and dark color. Presence of Penicillium on the surface often indicates cold injury (cv.Jewel, Jan82). |
| 1563636 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut. Internally the flesh may be spongy and watery and later develop cavities and dark color. Presence of Penicillium on the surface often indicates cold injury (cv.Jewel, Jan82). |
| 1563640 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut. Internally the flesh may be spongy and watery and later develop cavities and dark color followed by Fusarium root rot (cv.Jewel, Dec70). |
| 1563638 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut. Internally the flesh may be spongy and watery and later develop cavities and dark color. Presence of Penicillium on the surface often indicates cold injury (cv.Jewel, Jan82). |
| 1563639 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut. Internally the flesh may be spongy and watery and later develop cavities and dark color. Notice blackening of veins. Presence of Penicillium on the surface often indicates cold injury (cv.Jewel, May78). |
| 1563637 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut. Internally the flesh may be spongy and watery and later develop cavities and dark color. Presence of Penicillium on the surface often indicates cold injury (cv.Jewel, Jan82). |
| 1563607 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
Bacterial soft rot on harvested root. Often there is no external evidence that rot is inside the root. This causes a problem in the cannery because graders do not discard them. These roots were collected after peeling at the cannery. (cv.Jewel, Sep76). |
| 1563608 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
Bacterial soft rot on harvested root. Often there is no external evidence that rot is inside the root. This causes a problem in the cannery because graders do not discard them, (cv.Jewel, Sep76).
|
| 1563601 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
Bacterial soft rot on harvested root. Often there is no external evidence that rot is inside the root. This causes a problem in the cannery because graders do not discard them, (cv.Jewel, Sep76). |
| 1563602 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
Bacterial soft rot on harvested root. Often there is no external evidence that rot is inside the root. This causes a problem in the cannery because graders do not discard them, (cv.Jewel, Sep76). |
| 1563603 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
Bacterial soft rot on harvested root. Often there is no external evidence that rot is inside the root. This causes a problem in the cannery because graders do not discard them, (cv.Jewel, Sep76). |
| 1563604 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
Bacterial soft rot on harvested root. Often there is no external evidence that rot is inside the root. This causes a problem in the cannery because graders do not discard them. These roots were collected after peeling at the cannery. (cv.Jewel, Sep76). |
| 1563631 |
cold injury (low temperature) |
|
Cold injury. |
| 1563632 |
cold injury (low temperature) |
|
Roots injured by low temperatures usually do not produce latex when cut (cv.Cntennial, May70) |
| 1563585 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
Bacterial soft rot. Often there is rot inside the root with little external evidence. (cv.Jewel?, Dec94). |
| 1563586 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
Bacterial soft rot. Often there is rot inside the root with little external evidence. (cv.Jewel?, Dec94). |
| 1563587 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
Bacterial soft rot. Often there is rot inside the root with little external evidence. This causes a problem in the cannery because graders do not discard them, (cv.Jewel?, Dec94). |
| 1563591 |
bacteria wilt and soft rot |
Dickeya chrysanthemi |
Bacterial soft rot. Lower stem may swell, split, and have black xylem tissue. Branch vines turn black and leaves may turn yellowish.. (cv.Jewel?, Dec94).
|
| 1563543 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Pox often causes distorted roots are not marketable (cv.Jewel, Nov89). |
| 1563535 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Pox lesions are crusty, crater shaped and may penetrate 5mm or more into the fleshy root and have an earthy taste. Infection often starts where a small root is attached (cv.Jewel, Apr80). |
| 1563536 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Storage roots affected by pox are often distorted. Infection started on a small root preventing normal enlargement at the site (cv.Jewel, Nov89).
|
| 1563532 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Pox lesions are crusty, crater shaped and may penetrate 5mm or more into the fleshy root and have an earthy taste. Infection often starts where a small root is attached (cv.Jewel, Apr80). |
| 1563533 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Pox lesions are crusty, crater shaped and may penetrate 5mm or more into the fleshy root and have an earthy taste. Infection often starts where a small root is attached (cv.Jewel, Apr80). |
| 1563537 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Severity of pox is enhanced in soil that is dry, high in pH and not fumigated. Compare mass of feeder roots. (cv.Jewel,Jul88).
|
| 1563538 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Severity of pox is enhanced in soil that is dry, high in pH and not fumigated. Compare mass of feeder roots. (cv.Jewel,Jul88).
|
| 1563539 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Severity of pox is enhanced in soil that is dry, high in pH and not fumigated. Compare mass of feeder roots. (cv.Jewel,Jul88).
|
| 1563540 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Severity of pox is enhanced in soil that is dry, high in pH and not fumigated. Compare mass of feeder roots. (cv.Jewel,Jul88).
|
| 1563541 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
The cultivar Beauregard is resistant to pox and does very well, but it is not immune. (Beauregard,Nov89). |
| 1563542 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
The cultivar Beauregard is resistant to pox and does very well, but it is not immune. (Beauregard,Nov89). |
| 1546035 |
redheaded pine sawfly |
Neodiprion lecontei |
comparison of early and late instar larval defoliation |
| 1563513 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Pox lesions are crusty, crater shaped and may penetrate 5mm or more into the fleshy root and have an earthy taste. Infection often start where a small root is attached (cv.Jewel, Oct 78). |
| 1563514 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Pox lesions are crusty, crater shaped and may penetrate 5mm or more into the fleshy root and have an earthy taste. Infection often starts where a small root is attached (cv.Jewel, Oct78). |
| 1563515 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Roots harvested from a pox infested field. Notice distorted roots and distribution of pox lesions on the roots. The distribution may be linear as infection often involves the "eyes" on the root (cv.Jewel, Oct79). |
| 1563480 |
southern blight |
Sclerotium rolfsii |
The dry, crusty, circular lesions with sharply defined margins can be popped out. Infection is shallow, 1-5mm. Adjoining tissue is bitter. (Oct78, cv.Jewel) |
| 1563481 |
southern blight |
Sclerotium rolfsii |
The circular lesions are crusty, 1-5mm deep, with sharply defined margin and can be popped out. Infected tissue is bitter. The lesions can be confused with those of Pox. (cv.Jewel, Oct78) |
| 1563509 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Sweetpotato (cv. Centennial) showing pox symptoms on feeder roots, enlarged roots, and underground stems. |
| 1563511 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Pox lesions are crusty, crater shaped and may penetrate 5mm or more into the fleshy root and have an earthy taste (cv.Jewel, Oct78). |
| 1563512 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Pox lesions are crusty, crater shaped and may penetrate 5mm or more into the fleshy root and have an earthy taste. The root on the left is showing pronounced lenticels. (cv.Centennial, Apr74). |
| 1563490 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Prominent pox lesion on underground stem at junction of feeder roots. Notice steel-gray color on some roots due to the infection and absence of small feeder roots (cv.Jewel, Nov88).
|
| 1563493 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
493 Pox lesions are crusty, crater shaped and may penetrate 5mm or more into the fleshy root and have an earthy taste, and often the storage root is poorly shaped (cv.Jewel, Oct78). |
| 1563489 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Pox lesions are crusty, crater shaped and may penetrate 5mm or more into the fleshy root and have an earthy taste.
|
| 1563488 |
Streptomyces soil rot (pox) |
Streptomyces ipomoeae |
Pox involves feeder roots and underground stems. Note absence of root hairs, necrotic tissue at end of stem, necrotic areas on roots. (cv.Jewel, Oct75) |
| 1563470 |
black rot |
Ceratocystis fimbriata |
The disease can also involve feeder roots, stems and cause severe losses in the plant bed, field, and in storage. The rot usually does not penetrate deeper than the vascular ring. Tissue near the rot has a bitter taste. Long beacked perithecia with with viscous mass of ascospores at the tip occur on the surface of the rot. (cv. Jewel, Dec82) |
| 1563471 |
black rot |
Ceratocystis fimbriata |
Top root healthy. The disease can also involve feeder roots, stems and cause severe losses in the plant bed, field, and in storage. The rot usually does not penetrate deeper than the vascular ring. Tissue near the rot has a bitter taste. Long beacked perithecia with with viscous mass of ascospores at the tip occur on the surface of the rot. (cv.Centennial) |
| 1563472 |
black rot |
Ceratocystis fimbriata |
The disease can also involve feeder roots, stems and cause severe losses in the plant bed, field, and in storage. The rot usually does not penetrate deeper than the vascular ring. Tissue near the rot has a bitter taste. Long beacked perithecia with with viscous mass of ascospores at the tip occur on the surface of the rot. (cv.PortoRico?) |
| 1563473 |
black rot |
Ceratocystis fimbriata |
The disease can also involve feeder roots, stems and cause severe losses in the plant bed, field, and in storage. The rot usually does not penetrate deeper than the vascular ring. Tissue near the rot has a bitter taste. Long beacked perithecia with with viscous mass of ascospores at the tip occur on the surface of the rot. (cv.PortoRico?) |
| 1563475 |
black rot |
Ceratocystis fimbriata |
The disease can also involve feeder roots, stems and cause severe losses in the plant bed, field, and in storage. The rot usually does not penetrate deeper than the vascular ring. Tissue near the rot has a bitter taste. Long beacked perithecia with with viscous mass of ascospores at the tip occur on the surface of the rot. (cv.Jewel, Dec78) |
| 1563476 |
black rot |
Ceratocystis fimbriata |
The disease can also involve feeder roots, stems and cause severe losses in the plant bed, field, and in storage. The rot usually does not penetrate deeper than the vascular ring. Tissue near the rot has a bitter taste. Long beacked perithecia with with viscous mass of ascospores at the tip occur on the surface of the rot. (cv.Jewel, Dec78) |
| 1563459 |
Java black rot |
Lasiodiplodia theobromae |
The fungal pathogen is often called Diplodia tubericola, occasionally Botryodiplodia theobromae. The rot is firm and moist. Look for locules in the stromatic tissue near the surface. It has been a serious storage rot disease that develops rapidy. |
| 1563460 |
Java black rot |
Lasiodiplodia theobromae |
The fungal pathogen is often called Diplodia tubericola, occasionally Botryodiplodia theobromae. The rot is firm and moist. Look for locules in the stromatic tissue near the surface. It has been a serious storage rot disease that develops rapidy. Domes of stromatic, fungal tissue have broken through the epidermis. (Centennial? Feb1970) |
| 1563461 |
Java black rot |
Lasiodiplodia theobromae |
The rot is firm, moist, and black. Look for locules in the stromatic tissue containing spores. It is a serious storage rot that develops rapidly. The fungus is often called Diplodia tubericola. (Jewel, Nov71) |
| 1563462 |
Java black rot |
Lasiodiplodia theobromae |
Photomicrograph of stromatic tissue showing two locules. (Jewel, Feb78) |
| 1563466 |
Java black rot |
Lasiodiplodia theobromae |
The rot is firm, moist, and black. Look for locules in the stromatic tissue containing spores. It is a serious storage rot that develops rapidly. The fungus is often called Diplodia tubericola. |
| 1563468 |
Java black rot |
Lasiodiplodia theobromae |
The rot is firm, moist, and black. Look for locules in the stromatic tissue containing spores. It is a serious storage rot that develops rapidly. The fungus is often called Diplodia tubericola. (Jewel, Apr 78) |
| 1563469 |
Java black rot |
Lasiodiplodia theobromae |
Healthy and mumified roots. The rot is firm, moist, and black. Look for locules in the stromatic tissue containing spores. It is a serious storage rot that develops rapidly. The fungus is often called Diplodia tubericola. (Jewel, Apr 70) |
| 1563456 |
root-knot nematode |
Meloidogyne spp. |
Sweetpotato roots after removal of epidermis at cannery showing reduced lesions caused by the root-knot nematode. Gravid females are visible in a few spots. ('Centennial' Dec66) |
| 1563457 |
root-knot nematode |
Meloidogyne spp. |
Sweetpotato roots showing lesions and deep set eyes caused by the root-knot nematode. ('Centennial' Nov78) |
| 1563454 |
root-knot nematode |
Meloidogyne spp. |
Sweetpotato roots after removal of epidermis at cannery showing lesions caused by the root-knot nematode. ('Centennial' Dec66) |
| 1563455 |
root-knot nematode |
Meloidogyne spp. |
females in processed sweetpotato
Sweetpotato roots after removal of epidermis at cannery showing lesions caused by the root-knot nematode. Gravid females an be seen in the spots. ('Centennial' 1968?) |
| 1549592 |
jumping oak gall |
Neuroterus saltatorius |
|
| 1549588 |
multiflora rose seed chalcid |
Megastigmus aculeatus nigroflavus |
emerging |
| 1549589 |
multiflora rose seed chalcid |
Megastigmus aculeatus nigroflavus |
emerging |
| 1549596 |
jumping oak gall |
Neuroterus saltatorius |
|
| 1549628 |
hornets, potter wasps, paper wasps or yellow jackets |
|
Top: Vespula spp. Yellowjacket
Bottom: Vespa Crabro European hornet |
| 1549737 |
rhododendron stem borer |
Oberea myops |
|
| 1549749 |
rhododendron stem borer |
Oberea myops |
|
| 1549758 |
rhododendron stem borer |
Oberea myops |
|
| 1549759 |
rhododendron stem borer |
Oberea myops |
|
| 1549763 |
rhododendron stem borer |
Oberea myops |
|
| 1549788 |
black vine weevil |
Otiorhynchus sulcatus |
|
| 1549806 |
bronze birch borer |
Agrilus anxius |
pupa in gallery |
| 1549810 |
leaf beetles |
Chrysomela spp. |
|
| 1549814 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549838 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549916 |
Fuller rose beetle |
Pantomorus cervinus |
|
| 1549917 |
Fuller rose beetle |
Pantomorus cervinus |
|
| 1549918 |
Fuller rose beetle |
Pantomorus cervinus |
|
| 1549919 |
Fuller rose beetle |
Pantomorus cervinus |
|
| 1549925 |
green June beetle |
Cotinis nitida |
|
| 1549944 |
green June beetle |
Cotinis nitida |
|
| 1549947 |
hollyhock weevil |
Rhopalapion longirostre |
|
| 1549946 |
hickory spiral borer |
Agrilus arcuatus torquatus |
|
| 1549948 |
hollyhock weevil |
Rhopalapion longirostre |
|
| 1549949 |
hollyhock weevil |
Rhopalapion longirostre |
|
| 1549951 |
hollyhock weevil |
Rhopalapion longirostre |
|
| 1549953 |
hollyhock weevil |
Rhopalapion longirostre |
|
| 1549954 |
hollyhock weevil |
Rhopalapion longirostre |
|
| 1549955 |
hollyhock weevil |
Rhopalapion longirostre |
|
| 1549956 |
hollyhock weevil |
Rhopalapion longirostre |
|
| 1549962 |
imported willow leaf beetle |
Plagiodera versicolora |
|
| 1549963 |
imported willow leaf beetle |
Plagiodera versicolora |
|
| 1549965 |
imported willow leaf beetle |
Plagiodera versicolora |
|
| 1549966 |
imported willow leaf beetle |
Plagiodera versicolora |
|
| 1549378 |
spiny witchhazel gall aphid |
Hamamelistes spinosus |
|
| 1549711 |
glowworm beetles |
|
|
| 1549225 |
green peach aphid |
Myzus persicae |
|
| 1543994 |
shore fly |
|
|
| 1543995 |
shore fly |
|
|
| 1543981 |
robber flies |
|
|
| 1543980 |
robber flies |
|
|
| 1543956 |
drain fly |
|
|
| 1543880 |
narcissus bulb fly |
Merodon equestris |
|
| 1543872 |
narcissus bulb fly |
Merodon equestris |
|
| 1543874 |
narcissus bulb fly |
Merodon equestris |
|
| 1543869 |
Asian tiger mosquito |
Aedes albopictus |
|
| 1543866 |
Asian tiger mosquito |
Aedes albopictus |
|
| 1543829 |
house fly |
Musca domestica |
|
| 1543821 |
house fly |
Musca domestica |
|
| 1543786 |
fungus gnat |
|
|
| 1543787 |
fungus gnat |
|
|
| 1543789 |
fungus gnat |
|
|
| 1543779 |
fungus gnat |
|
|
| 1543780 |
fungus gnat |
|
|
| 1543784 |
fungus gnat |
|
|
| 1543773 |
fungus gnat |
|
|
| 1543768 |
fungus gnat |
|
|
| 1543763 |
fungus gnat |
|
|
| 1543765 |
fungus gnat |
|
|
| 1543650 |
Bombyliid flies |
|
|
| 1543648 |
Bombyliid flies |
|
|
| 1543649 |
Bombyliid flies |
|
|
| 1543384 |
birch lace bug |
Corythucha pallipes |
|
| 1543385 |
birch lace bug |
Corythucha pallipes |
|
| 1543382 |
alder lace bug |
Corythucha pergandei |
|
| 1543383 |
birch lace bug |
Corythucha pallipes |
|
| 1543369 |
azalea lace bug |
Stephanitis pyrioides |
|
| 1543357 |
azalea lace bug |
Stephanitis pyrioides |
|
| 1543348 |
azalea lace bug |
Stephanitis pyrioides |
|
| 1543092 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1543062 |
locust leafminer |
Odontota dorsalis |
|
| 5408716 |
Phytophthora root and crown rots |
Phytophthora spp. |
Image shows samples of field soil (25 cm2) from Fraser fir production sites, flooded with 40 ml of distilled water. Rhododendron leaf disks were floated on the water surface as a bait for zoospores of Phytophthora spp. Leaf disks are typically removed after 24 hours and plated on selective medium for detection of Phytophthora. |
| 5408717 |
Phytophthora root rot |
Phytophthora cinnamomi |
Phytophthora cinnamomi growing from Fraser fir root samples on PARPH-V8 agar, approximately 48 hours after plating. |
| 5408718 |
Phytophthora root rot |
Phytophthora cinnamomi |
Phytophthora cinnamomi growing from Fraser fir root samples on PARPH-V8 agar, approximately 48 hours after plating. |
| 1563442 |
root-knot nematode |
Meloidogyne spp. |
Roots on the left grown in non treated soil, those on the right were grown on soil treated with a fuminant nematicide, dichloroprope dichloropropane? (Jewel Oct1976) |
| 1563443 |
root-knot nematode |
Meloidogyne spp. |
Root-knot lesion on peeled sweetpotatos. Gravid nematodes are usually seen in the lesions as white dots. (Jewel, Oct 1976)) |
| 1563444 |
root-knot nematode |
Meloidogyne spp. |
Root-knot lesions after peeling root in the cannery. Gravid female nematodes can be seen in the lesions as white dots. (Jewel, Oct 1976) |
| 1563441 |
root-knot nematode |
Meloidogyne spp. |
Slight cracks typical of root knot lesions. (Centennial, Oct1960) |
| 1563447 |
pesticides |
|
Standak systemic nematicide injury. (Jewel Jun 1983) |
| 1563448 |
pesticides |
|
Standak systemic nematicide injury. (Jewel Jun 1983) |
| 1563445 |
root-knot nematode |
Meloidogyne spp. |
Root-knot lesions and cracking of roots.. (Centennial, Nov 1960) |
| 1563446 |
root-knot nematode |
Meloidogyne spp. |
(Heavily cracked sweetpotato without nematodes. Cracking may be induced by variable soil moisture and nutrient levels. (Centennial, Nov 1960) |
| 1563453 |
root-knot nematode |
Meloidogyne spp. |
Air crack on upper root and root-knot induced lesions on lower root. (Jewel, Nov 1977) |
| 1543824 |
house fly |
Musca domestica |
|
| 1543837 |
house fly |
Musca domestica |
|
| 1543839 |
house fly |
Musca domestica |
|
| 1543834 |
house fly |
Musca domestica |
|
| 1543832 |
house fly |
Musca domestica |
|
| 1543844 |
house fly |
Musca domestica |
|
| 1543845 |
house fly |
Musca domestica |
|
| 1543843 |
house fly |
Musca domestica |
|
| 1543826 |
house fly |
Musca domestica |
|
| 1543835 |
house fly |
Musca domestica |
|
| 1543198 |
pine sawyer beetle |
Monochamus carolinensis |
|
| 1549980 |
Ivory-marked beetle |
Eburia quadrigeminata |
|
| 1549981 |
Ivory-marked beetle |
Eburia quadrigeminata |
|
| 1549979 |
Ivory-marked beetle |
Eburia quadrigeminata |
|
| 1549828 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549812 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549769 |
rhododendron stem borer |
Oberea myops |
|
| 1543920 |
native holly leafminer |
Phytomyza ilicicola |
|
| 1543925 |
native holly leafminer |
Phytomyza ilicicola |
|
| 1543921 |
native holly leafminer |
Phytomyza ilicicola |
|
| 1543924 |
native holly leafminer |
Phytomyza ilicicola |
|
| 1543906 |
native holly leafminer |
Phytomyza ilicicola |
|
| 1543912 |
native holly leafminer |
Phytomyza ilicicola |
|
| 1543918 |
native holly leafminer |
Phytomyza ilicicola |
|
| 1543919 |
native holly leafminer |
Phytomyza ilicicola |
|
| 1543901 |
native holly leafminer |
Phytomyza ilicicola |
|
| 1543903 |
native holly leafminer |
Phytomyza ilicicola |
|
| 1543842 |
house fly |
Musca domestica |
|
| 1543840 |
house fly |
Musca domestica |
|
| 1543841 |
house fly |
Musca domestica |
|
| 1543836 |
house fly |
Musca domestica |
|
| 1543833 |
house fly |
Musca domestica |
|
| 1543831 |
house fly |
Musca domestica |
|
| 1543822 |
house fly |
Musca domestica |
|
| 1543823 |
house fly |
Musca domestica |
|
| 1543674 |
boxwood leafminer |
Monarthropalpus flavus |
|
| 1543678 |
boxwood leafminer |
Monarthropalpus flavus |
|
| 1543663 |
boxwood leafminer |
Monarthropalpus flavus |
|
| 1543497 |
rhododendron lace bug |
Stephanitis rhododendri |
|
| 1543380 |
azalea plant bug |
Rhinocapsus vanduzeei |
|
| 1543374 |
azalea lace bug |
Stephanitis pyrioides |
|
| 1543339 |
azalea lace bug |
Stephanitis pyrioides |
|
| 1543209 |
southern pine sawyer |
Monochamus titillator |
|
| 1543039 |
larger elm leaf beetle |
Monocesta coryli |
|
| 1543038 |
larger elm leaf beetle |
Monocesta coryli |
|
| 1543524 |
sycamore lace bug |
Corythucha ciliata |
|
| 1543522 |
sycamore lace bug |
Corythucha ciliata |
|
| 1543513 |
sycamore lace bug |
Corythucha ciliata |
|
| 1543491 |
oak lace bug |
Corythucha arcuata |
|
| 1543399 |
boxelder bug |
Boisea trivittata |
|
| 1543391 |
boxelder bug |
Boisea trivittata |
|
| 1543173 |
redheaded ash borer |
Neoclytus acuminatus |
|
| 1543174 |
redheaded ash borer |
Neoclytus acuminatus |
|
| 1543171 |
redheaded ash borer |
Neoclytus acuminatus |
|
| 1543059 |
locust leafminer |
Odontota dorsalis |
|
| 1543041 |
locust leafminer |
Odontota dorsalis |
|
| 1549974 |
imported willow leaf beetle |
Plagiodera versicolora |
|
| 1549967 |
imported willow leaf beetle |
Plagiodera versicolora |
|
| 1549843 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549839 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549841 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549834 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549835 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549833 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549827 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549825 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549822 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549821 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549820 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549818 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549819 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549817 |
dogwood twig borer |
Oberea tripunctata |
|
| 1549058 |
aphids |
|
|
| 1549802 |
black vine weevil |
Otiorhynchus sulcatus |
|
| 1549786 |
black vine weevil |
Otiorhynchus sulcatus |
|
| 1549734 |
Asiatic oak weevil |
Cyrtepistomus castaneus |
|
| 1549716 |
flea beetles |
Altica spp. |
|
| 1549713 |
flea beetles |
Altica spp. |
|
| 1549647 |
yellowjacket |
Vespula spp. |
|
| 1549621 |
paper wasps |
Polistes spp. |
|
| 1549421 |
woolly apple aphid |
Eriosoma lanigerum |
|
| 1549419 |
woolly apple aphid |
Eriosoma lanigerum |
|
| 1549410 |
woolly alder aphid |
Prociphilus tessellatus |
|
| 1549398 |
woolly alder aphid |
Prociphilus tessellatus |
|
| 1549336 |
tobacco aphid |
Myzus nicotianae |
|
| 1549337 |
tobacco aphid |
Myzus nicotianae |
|
| 1549340 |
tobacco aphid |
Myzus nicotianae |
|
| 1549331 |
tobacco aphid |
Myzus nicotianae |
|
| 1549334 |
tobacco aphid |
Myzus nicotianae |
|
| 1549335 |
tobacco aphid |
Myzus nicotianae |
|
| 1549330 |
tobacco aphid |
Myzus nicotianae |
|
| 1549320 |
tobacco aphid |
Myzus nicotianae |
|
| 1549323 |
tobacco aphid |
Myzus nicotianae |
|
| 1549317 |
tobacco aphid |
Myzus nicotianae |
|
| 1549318 |
tobacco aphid |
Myzus nicotianae |
|
| 1549316 |
tobacco aphid |
Myzus nicotianae |
|
| 1549252 |
green peach aphid |
Myzus persicae |
|
| 1549248 |
green peach aphid |
Myzus persicae |
|
| 1549247 |
green peach aphid |
Myzus persicae |
|
| 1549237 |
green peach aphid |
Myzus persicae |
|
| 1549239 |
green peach aphid |
Myzus persicae |
|
| 1549219 |
green peach aphid |
Myzus persicae |
|
| 1549211 |
green peach aphid |
Myzus persicae |
|
| 1549204 |
green peach aphid |
Myzus persicae |
|
| 1549207 |
green peach aphid |
Myzus persicae |
|
| 1549198 |
green peach aphid |
Myzus persicae |
cast skins and sooty mold |
| 1549157 |
foxglove aphid |
Aulacorthum solani |
|
| 1549147 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549121 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549080 |
apple aphid |
Aphis pomi |
|
| 1549081 |
aphids |
|
|
| 1549082 |
aphids |
|
|
| 1549074 |
apple aphid |
Aphis pomi |
|
| 1549069 |
apple aphid |
Aphis pomi |
|
| 1549068 |
apple aphid |
Aphis pomi |
|
| 1549066 |
apple aphid |
Aphis pomi |
|
| 1549507 |
horned oak gall |
Callirhytis cornigera |
|
| 1549490 |
European hornet |
Vespa crabro |
second one from left on bottom row |
| 1549481 |
carpenter bees |
Xylocopa spp. |
|
| 1549478 |
carpenter bee |
Xylocopa virginica |
|
| 1549473 |
baldfaced hornet |
Dolichovespula maculata |
|
| 1549417 |
woolly alder aphid |
Prociphilus tessellatus |
|
| 1549400 |
woolly alder aphid |
Prociphilus tessellatus |
|
| 1549404 |
woolly alder aphid |
Prociphilus tessellatus |
|
| 1549333 |
tobacco aphid |
Myzus nicotianae |
defensive secretion |
| 1549319 |
tobacco aphid |
Myzus nicotianae |
|
| 1549260 |
green peach aphid |
Myzus persicae |
|
| 1549258 |
green peach aphid |
Myzus persicae |
|
| 1549255 |
green peach aphid |
Myzus persicae |
|
| 1549256 |
green peach aphid |
Myzus persicae |
|
| 1549238 |
green peach aphid |
Myzus persicae |
|
| 1549241 |
green peach aphid |
Myzus persicae |
|
| 1549227 |
green peach aphid |
Myzus persicae |
|
| 1549215 |
green peach aphid |
Myzus persicae |
|
| 1549206 |
green peach aphid |
Myzus persicae |
|
| 1549201 |
green peach aphid |
Myzus persicae |
|
| 1549200 |
green peach aphid |
Myzus persicae |
|
| 1549196 |
green peach aphid |
Myzus persicae |
|
| 1549188 |
giant willow aphid |
Tuberolachnus salignus |
|
| 1549181 |
giant willow aphid |
Tuberolachnus salignus |
|
| 1549171 |
giant bark aphid |
Longistigma caryae |
aphids overwintering eggs |
| 1549172 |
giant bark aphid |
Longistigma caryae |
and eggs |
| 1549166 |
giant bark aphid |
Longistigma caryae |
|
| 1549140 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549123 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549113 |
giant conifer aphids |
Cinara spp. |
|
| 1549111 |
giant conifer aphids |
Cinara spp. |
|
| 1549032 |
aphids |
|
|
| 1549034 |
green peach aphid |
Myzus persicae |
|
| 1549375 |
white pine aphid |
Cinara strobi |
|
| 1549364 |
white pine aphid |
Cinara strobi |
|
| 1549343 |
tobacco aphid |
Myzus nicotianae |
|
| 1549344 |
tobacco aphid |
Myzus nicotianae |
|
| 1549341 |
tobacco aphid |
Myzus nicotianae |
|
| 1549342 |
tobacco aphid |
Myzus nicotianae |
|
| 1549338 |
tobacco aphid |
Myzus nicotianae |
|
| 1549339 |
tobacco aphid |
Myzus nicotianae |
|
| 1549321 |
tobacco aphid |
Myzus nicotianae |
|
| 1549324 |
tobacco aphid |
Myzus nicotianae |
|
| 1549329 |
tobacco aphid |
Myzus nicotianae |
|
| 1549322 |
tobacco aphid |
Myzus nicotianae |
|
| 1549314 |
tobacco aphid |
Myzus nicotianae |
|
| 1549315 |
tobacco aphid |
Myzus nicotianae |
|
| 1549257 |
green peach aphid |
Myzus persicae |
|
| 1549259 |
green peach aphid |
Myzus persicae |
giving birth |
| 1549220 |
green peach aphid |
Myzus persicae |
|
| 1549199 |
green peach aphid |
Myzus persicae |
|
| 1549195 |
green peach aphid |
Myzus persicae |
|
| 1549208 |
green peach aphid |
Myzus persicae |
|
| 1549160 |
foxglove aphid |
Aulacorthum solani |
|
| 1549163 |
foxglove aphid |
Aulacorthum solani |
|
| 1549164 |
foxglove aphid |
Aulacorthum solani |
|
| 1549159 |
foxglove aphid |
Aulacorthum solani |
|
| 1549158 |
foxglove aphid |
Aulacorthum solani |
|
| 1549149 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549146 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549150 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549142 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549138 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549049 |
chrysanthemum aphid |
Macrosiphoniella sanborni |
|
| 1549046 |
chrysanthemum aphid |
Macrosiphoniella sanborni |
|
| 1549499 |
European hornet |
Vespa crabro |
|
| 1549494 |
European hornet |
Vespa crabro |
|
| 1549495 |
European hornet |
Vespa crabro |
|
| 1549497 |
European hornet |
Vespa crabro |
|
| 1549498 |
European hornet |
Vespa crabro |
|
| 1549493 |
European hornet |
Vespa crabro |
|
| 1549491 |
European hornet |
Vespa crabro |
|
| 1549489 |
European hornet |
Vespa crabro |
|
| 1549245 |
green peach aphid |
Myzus persicae |
|
| 1549242 |
green peach aphid |
Myzus persicae |
|
| 1549197 |
green peach aphid |
Myzus persicae |
|
| 1549148 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549131 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549132 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549136 |
crapemyrtle aphid |
Sarucallis kahawaluokalani |
|
| 1549001 |
planthopper |
|
|
| 1549022 |
fire ant |
Solenopsis geminata |
|
| 1549021 |
fire ant |
Solenopsis geminata |
Ant bite |
| 1563433 |
root-knot nematode |
Meloidogyne spp. |
Gravid root-knot nematodes embedded at root end of edible root. The nematode can be seen in some of the lesions. (Jewel, Nov78) |
| 1563434 |
root-knot nematode |
Meloidogyne spp. |
Root-knot lesions and galls on feeder roots. (Jewel, Oct88) |
| 1563435 |
root-knot nematode |
Meloidogyne spp. |
Gravid root-knot nematodes embedded at root end of edible root. The nematode can be seen in some of the lesions. (Jewel, Jan 73) |
| 1563408 |
scurf |
Monilochaetes infuscans |
Scurf lesions on stems of sprouts pulled off of bedded sweetpotatoes with scurf. (Jan73Jewel) |
| 1563405 |
Fusarium damping-off |
Fusarium solani |
(Sep79, Jewel); Fusarium root rot and stem canker. |
| 1563411 |
scurf |
Monilochaetes infuscans |
Sweetpotato slip used to plant production field. The plant was pulled from a bedded root. |
| 1563413 |
scurf |
Monilochaetes infuscans |
Notice scurf lesion on stem and preponderance of lesions on the stem-end of roots (Nov77 Jewel) |
| 1563414 |
scurf |
Monilochaetes infuscans |
Notice scurf lesions on the stem and preponderance of lesions on the stem-end of the edible roots |
| 1563419 |
scurf |
Monilochaetes infuscans |
Scurf lesions on stem-end of root. (Jewe Nov85l) |
| 1563425 |
scurf |
Monilochaetes infuscans |
Scurf on roots still attached to stem. Notice that scurf is more prevalent on the stem end of the roots than on the root end. The stem on which the roots developed is heavily infected and is the source of inoculum to infect the edible roots. (Jewel Nov77) |
| 1563427 |
scurf |
Monilochaetes infuscans |
Scurfy sweetpotatoes harvested in baskets. (Porto Rico <1960) |
| 1563428 |
scurf |
Monilochaetes infuscans |
Scurfy sweetpotatoes harvested in baskets. (Porto Rico <1960) |
| 1563431 |
root-knot nematode |
Meloidogyne spp. |
Gravid female with many eggs embedded in edible root. (Jewel Nov78) |
| 1563432 |
root-knot nematode |
Meloidogyne spp. |
Gravid female with many eggs embedded in edible root. (Jewel Nov78) |
| 1563396 |
Fusarium damping-off |
Fusarium solani |
(<1970 ); Fusarium Stem and Root Canker |
| 1563403 |
Fusarium damping-off |
Fusarium solani |
(<1970 ); Fusarium Root and Stem Canker |
| 1563404 |
Fusarium damping-off |
Fusarium solani |
(Sep79 ); Fusarium Root and Stem Canker. |
| 1563358 |
Fusarium damping-off |
Fusarium solani |
Fusarium surface rot; Surface continues to develop in storage. It is usually worse during wet periods and when roots are injured. Cultivar 'Jewel' (Oct83) |
| 1563359 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot continues to develop in storage. It is usually worse during wet periods at harvest and when roots are injured. Cultivar 'Jewel' (1984) |
| 1563360 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot continues to develop in storage. It is usually worse during wet periods at harvest and when roots are injured. Notice lens shaped cavities with the fungus sporulating Cultivar 'Jewel' (1984) |
| 1563361 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot continues to develop in storage. It is usually worse during wet periods at harvest and when roots are injured. Notice lens shaped cavities with the fungus sporulating Cultivar 'Jewel' (Apr83) |
| 1563362 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot continues to develop in storage. It is usually worse during wet periods at harvest and when roots are injured. Notice lens shaped cavities with the fungus sporulating Cultivar 'Jewel' (Apr83) |
| 1563363 |
foot rot |
Plenodomus destruens |
(Sep73) |
| 1563364 |
foot rot |
Plenodomus destruens |
(Sep73) |
| 1563365 |
foot rot |
Plenodomus destruens |
(Aug73) |
| 1563366 |
foot rot |
Plenodomus destruens |
(Sep78) |
| 1563367 |
foot rot |
Plenodomus destruens |
(Sep78) |
| 1563368 |
foot rot |
Plenodomus destruens |
(Sep76) |
| 1563350 |
Fusarium wilt (stem rot) |
Fusarium oxysporum f.sp. batatas |
Fusarium wilt symptoms: stem with exterior lesion and vascular browning. Notice necrotic root from stem to storage root. CV Centennial? (<1960) |
| 1563346 |
Fusarium wilt (stem rot) |
Fusarium oxysporum f.sp. batatas |
Fusarium wilt early symptoms: lower leaf yellowing and leaf abscission. |
| 1563348 |
Fusarium wilt (stem rot) |
Fusarium oxysporum f.sp. batatas |
Fusarium wilt symptoms: stem with external necrosis, vascular browning, and foliar yellowing. |
| 1563349 |
Fusarium wilt (stem rot) |
Fusarium oxysporum f.sp. batatas |
Fusarium wilt symptoms: stems with exterior lesion and vascular browning. |
| 1563351 |
Fusarium wilt (stem rot) |
Fusarium oxysporum f.sp. batatas |
Fusarium wilt symptoms: Notice necrotic tissue at proximal end of storage and necrosis on sprouts. CV Centennial? (<1960). |
| 1563352 |
Fusarium wilt (stem rot) |
Fusarium oxysporum f.sp. batatas |
A young transplant showing severe Fusarium wilt symptoms: necrotic feeded roots, vascular browning, dead and yellowing leaves. cv. Porto Rico? (<1960). |
| 1563353 |
Fusarium wilt (stem rot) |
Fusarium oxysporum f.sp. batatas |
Storage root showing vascular browning. cv. Porto Rico? (<1960). |
| 1563355 |
Fusarium root rot and wilt |
Fusarium oxysporum |
Fusarium surface rot. cv. Centennial (Apr-64). |
| 1563356 |
Fusarium root rot and wilt |
Fusarium oxysporum |
Fusarium surface rot. cv. GoldRush (Apr-64). |
| 1563354 |
Fusarium root rot and wilt |
Fusarium oxysporum |
Fusarium surface rot. cv. Centennial (Apr-64). |
| 1563357 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot. Notice lens shappeed cavities or locules in necrotic tissue with abundand mycelium and spores. cv. Jewel (Apr-77). |
| 1563343 |
Fusarium damping-off |
Fusarium solani |
Distal end rot developed after curing during storage. Internal symptoms. (Apr78) |
| 1563344 |
Fusarium damping-off |
Fusarium solani |
Distal end rot developed after curing during storage. (Apr78) |
| 1563345 |
Fusarium damping-off |
Fusarium solani |
Distal end rot developed after curing during storage. (Apr78) |
| 1563341 |
Fusarium damping-off |
Fusarium solani |
Distal end rot developed after curing during storage. (Apr78) |
| 1563342 |
Fusarium damping-off |
Fusarium solani |
Distal end rot developed after curing during storage. (Apr78) |
| 1563331 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot caused by Fusarium solani. The reddish mass is the perfect state, Nentria. |
| 1563329 |
bread mold |
Rhizopus stolonifer |
Photomicrograph (ca. 1000x) sporangia and sporangiopores of Rhizopus, the cause of Rhizopus soft rot in sweetpotatoes and other vegetables. |
| 1563330 |
bread mold |
Rhizopus stolonifer |
Photomicrograph (ca. 1000x) sporangiospores of Rhizopus, the cause of Rhizopus soft rot in sweetpotatoes and other vegetables. |
| 1563327 |
bread mold |
Rhizopus stolonifer |
Photomicrograph (ca. 400x) sporangia and sporangiopores of Rhizopus, the cause of Rhizopus soft rot in sweetpotatoes and other vegetables. |
| 1563328 |
bread mold |
Rhizopus stolonifer |
Photomicrograph (ca. 1000x) sporangia and sporangiopores of Rhizopus, the cause of Rhizopus soft rot in sweetpotatoes and other vegetables. |
| 1563332 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot. |
| 1563333 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot |
| 1563334 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot |
| 1563335 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot. |
| 1563336 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot, internal symptoms. |
| 1563337 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot internal symptomes. |
| 1563338 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot. |
| 1563339 |
Fusarium damping-off |
Fusarium solani |
Fusarium root rot. |
| 1563340 |
Fusarium damping-off |
Fusarium solani |
Jewel, distal end rot. |
| 1563312 |
bread mold |
Rhizopus stolonifer |
Rhizopus soft rot showing profusion of aerial mycelia on the surface of a diseased root. |
| 1563315 |
bread mold |
Rhizopus stolonifer |
Rhizopus soft rot on roots in storage showing profusion of aerial mycelia and presence of black spore masses. |
| 1563316 |
bread mold |
Rhizopus stolonifer |
Rhizopus soft rot on root in storage showing profusion of aerial mycelia and presence of black spore masses. |
| 1563317 |
bread mold |
Rhizopus stolonifer |
Rhizopus soft rot on root in storage showing profusion of aerial mycelia prior to formation of black spore masses. Upper root is healthy. |
| 1563318 |
bread mold |
Rhizopus stolonifer |
Rhizopus soft rot on root in storage showing aerial mycelia and presence of black spore masses. |
| 1563319 |
bread mold |
Rhizopus stolonifer |
Rhizopus soft rot on root in storage showing profusion of aerial mycelia and presence of black spore masses. Lower root is healthy. |
| 1563320 |
bread mold |
Rhizopus stolonifer |
Root with Rhizopus soft showing interior of the root. The tissue is very soft, often drippy with a pleasant odor. |
| 1563321 |
bread mold |
Rhizopus stolonifer |
Roots out of storage with soft rot and possible water damage in the field. Cultivar Porto Rico?. (Nov77) |
| 1563322 |
bread mold |
Rhizopus stolonifer |
Sweetpotato out of storage with soft rot. Roots may have been damaged in the field by wet conditions. Cultivar may be Porto Rico (Nov77). |
| 1563323 |
bread mold |
Rhizopus stolonifer |
Sweetpotato out of storage with soft rot. Roots may have been damaged in the field by wet conditions. Cultivar may be Porto Rico. Roots incubated in a moist chamber (Nov77). |
| 1563324 |
bread mold |
Rhizopus stolonifer |
Sweetpotato out of storage with soft rot. Cultivar may be Pope. Roots incubated in a moist chamber (Nov77). |
| 1563325 |
bread mold |
Rhizopus stolonifer |
Sweetpotato out of storage with soft rot. Cultivar may be Pope (Nov77). |
| 1563326 |
bread mold |
Rhizopus stolonifer |
Sweetpotato out of storage with soft rot. Roots may have been damaged in the field by wet conditions. Cultivar may be Centennial. (Nov77). |
| 1563309 |
bread mold |
Rhizopus stolonifer |
Rhizopus soft rot is the most common disease found in stored sweetpotatoes. The rot is soft, wet and often white, whiskery fungal growth covers the tissue. Later black spores develop. |
| 1563310 |
bread mold |
Rhizopus stolonifer |
Rhizopus soft rot is the most common disease found in stored sweetpotatoes. The rot is soft, wet and often white, whiskery fungal growth covers the tissue. Later black spores develop. |
| 1563311 |
bread mold |
Rhizopus stolonifer |
Cv Jewel. Rhizopus soft rot is the most common disease found in stored sweetpotatoes. The rot is soft, wet and often white, whiskery fungal growth covers the tissue. Later black spores develop. (May73) |
| 1563265 |
sweetpotato |
Ipomoea batatas |
Harvester designed to dig and lower roots trailer with minimal drop to avoid injuries to the sweetpotatoes. (Oct75). |
| 1563011 |
anthracnose |
Colletotrichum orbiculare |
Notice how centers of the leaf spots tend to fall out. |
| 1563185 |
sweetpotato |
Ipomoea batatas |
Sweetpotato 'Jewel' roots after storage and waxing for shipment to markets, Apr76. |
| 1563192 |
sweetpotato |
Ipomoea batatas |
Five sweetpotato (Ipomoea batatas) roots compared to one yam (Dioscorea spp.) root. Although both are roots, the plants are not even distantly relate; the sweetpotato is a Dicot while the yam is a Monocot. |
| 1563211 |
sweetpotato |
Ipomoea batatas |
Sweetpotato plantlet generated from apical mesistem growing in a test tube. Plants so generated are usually free of viruses. |
| 1563243 |
genetic abnormalities |
|
Mutation or chimeras. Sprouts from chimeras and used for planting will produce a crop of roots with that color. A serious problem. |
| 1563068 |
Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
Belly rot usually begins on the underside and blossom end of the fruit where contact is made with the soil. Surface of lesions become crusty. Usually the infection remains on the surface and the fruit does not rot. |
| 1563124 |
charcoal rot |
Macrophomina phaseolina |
09Sep93 |
| 1563085 |
Phytophthora blight |
Phytophthora capsici |
|
| 1563108 |
Corynespora blight |
Corynespora cassiicola |
Close up (ca.200x) of leaf spot showing long, black threadlike conidiophores. |
| 1563109 |
Corynespora blight |
Corynespora cassiicola |
Photomicrograph (ca. 400x) showing conitiophores and conidia)Close up (ca.40x) of leaf spot showing long, black threadlike conidiophores. |
| 1563102 |
Corynespora blight |
Corynespora cassiicola |
Corynespora blight tends to be serious in late summer and fall in North Carolina. Photomicrograph at 100x showing abundant, pale gray, hairy conidiophores on abaxial surface of leaf spot.
|
| 1563103 |
Corynespora blight |
Corynespora cassiicola |
Corynespora blight tends to be serious in late summer and fall in North Carolina. Photomicrograph of abaxial surface of leaf spot showing abundant, black conidiophores. Notice size of leaf hairs. |
| 1563104 |
Corynespora blight |
Corynespora cassiicola |
Corynespora blight tends to be serious in late summer and fall in North Carolina. Close up of leaf spot on abaxial leaf surface.
|
| 1563078 |
powdery mildew |
Podosphaera fuliginea |
Photomicrograph at 200x of conidia and conidiphores of Sphaerotheca fuliginea on a clear tape mount in water. |
| 1563080 |
powdery mildew |
Podosphaera fuliginea |
Photomicrograph at 400x of conidia and conidiphores of Sphaerotheca fuliginea on a clear tape mount in water. |
| 1563086 |
scab |
Cladosporium cucumerinum |
|
| 1563082 |
Pythium diseases |
Pythium spp. |
In a moist chamber Pythium spp will form extensive, cottony, mycelial growth. |
| 1563057 |
gummy stem blight (vine decline) |
Didymella bryoniae |
The anamorph, Phoma cucurbitacearum, occurs in the field in North Carolina. Late folliar symptoms. Notice marginal necrosis. |
| 1563058 |
gummy stem blight (vine decline) |
Didymella bryoniae |
The anamorph, Phoma cucurbitacearum, occurs in the field in North Carolina. Late folliar symptoms. Notice marginal necrosis. |
| 1563047 |
downy mildew |
Pseudoperonospora cubensis |
Photomicrograph at 30x of downy mildew leafspot on abaxial surface. The dark colored sporangia can be seen on the sporangiophores. |
| 1563048 |
downy mildew |
Pseudoperonospora cubensis |
Photomicrograph at 30x of downy mildew leafspot on abaxial surface. The dark colored sporangia can be seen on the sporangiophores. Notice size of leaf hairs. |
| 1563007 |
anthracnose |
Colletotrichum orbiculare |
Postharvest symptoms of anthracnose on slicing cucumber in the fall crop. 1962 |
| 1563012 |
anthracnose |
Colletotrichum orbiculare |
Close up of anthracnose leafspot showing slightly raised, salmon-colored acervuli with black, hair-like setae protruding. Adaxial leaf surface. |
| 1563013 |
anthracnose |
Colletotrichum orbiculare |
Photomicrograph (400x) showing a leaf hair, three black setae, and many single cell conidia from a wet mount of an anthracnose leaf spot. |
| 1563014 |
anthracnose |
Colletotrichum orbiculare |
Photomicrograph (400x) showing a leaf hair, three black setae, and many single cell conidia from a wet mount of an anthracnose leaf spot. |
| 1563015 |
anthracnose |
Colletotrichum orbiculare |
Photomicrograph (400x) showing hyaline, elongated, single celled conidia and black setae with pointed tips. |
| 1563016 |
anthracnose |
Colletotrichum orbiculare |
Photomicrograph (400x) showing hyaline, elongated, single celled conidia and black setae with pointed tips. |
| 1563022 |
angular leaf spot of cucumber |
Pseudomonas syringae pv. lachrymans |
Notice that lesions tend to be delimited by veins in leaf. |
| 1563023 |
angular leaf spot of cucumber |
Pseudomonas syringae pv. lachrymans |
Notice that lesions tend to be delimited by veins in leaf. |
| 1563042 |
downy mildew |
Pseudoperonospora cubensis |
Early symptoms on young leaf |
| 1563043 |
downy mildew |
Pseudoperonospora cubensis |
Photomicrograph (200x) showing sporangia, typical branching of sporangiophores, and leaf hairs. |
| 1525363 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
TSWV on Impatients |
| 1525364 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
TSWV on Impatients |
| 1525394 |
root rot/damping off |
Rhizoctonia spp. |
Bud failure |
| 1525395 |
root rot/damping off |
Rhizoctonia spp. |
Bud failure |
| 1525396 |
root rot/damping off |
Rhizoctonia spp. |
Bud failure |
| 1525384 |
powdery mildews |
Sphaerotheca spp. |
|
| 1525385 |
powdery mildews |
Sphaerotheca spp. |
|
| 1525386 |
powdery mildews |
Sphaerotheca spp. |
|
| 1525387 |
powdery mildews |
Sphaerotheca spp. |
|
| 1525377 |
southern blight |
Sclerotium rolfsii |
|
| 1525397 |
Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
|
| 1525398 |
Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
|
| 1525399 |
Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
|
| 1525477 |
Cercospora fungi |
Cercospora spp. |
|
| 1525476 |
Cercospora fungi |
Cercospora spp. |
|
| 1525450 |
gray molds |
Botrytis spp. |
|
| 1525490 |
frost and winter injury (general) |
|
|
| 1525507 |
gray mold |
Botrytis cinerea |
|
| 1525508 |
gray mold |
Botrytis cinerea |
|
| 1525509 |
gray mold |
Botrytis cinerea |
|
| 1525497 |
bacterial leaf spot |
Pseudomonas cichorii |
|
| 1525498 |
bacterial leaf spot |
Pseudomonas cichorii |
|
| 1525499 |
bacterial leaf spot |
Pseudomonas cichorii |
|
| 1525500 |
bacterial leaf spot |
Pseudomonas cichorii |
|
| 1525501 |
bacterial leaf spot |
Pseudomonas cichorii |
|
| 1525502 |
bacterial leaf spot |
Pseudomonas cichorii |
|
| 1525479 |
Cercospora fungi |
Cercospora spp. |
|
| 1525483 |
Cercospora fungi |
Cercospora spp. |
|
| 1525484 |
Septoria leaf spot and cankers |
Septoria spp. |
|
| 1525485 |
Septoria leaf spot and cankers |
Septoria spp. |
|
| 1525486 |
Septoria leaf spot and cankers |
Septoria spp. |
Septoria leaf spot |
| 1525546 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
TSWV Polaris Ringspots; left mechanical inoculation and right thrips inoculation |
| 1525564 |
gray mold |
Botrytis cinerea |
|
| 1525565 |
gray mold |
Botrytis cinerea |
|
| 1525562 |
gray mold |
Botrytis cinerea |
|
| 1525563 |
gray mold |
Botrytis cinerea |
|
| 1525583 |
rust |
Puccinia antirrhini |
|
| 1525585 |
rust |
Puccinia antirrhini |
|
| 1525614 |
mycelial neck rot |
Botrytis tulipae |
|
| 1525615 |
mycelial neck rot |
Botrytis tulipae |
|
| 1525616 |
mycelial neck rot |
Botrytis tulipae |
|
| 1525619 |
Penicillium fungi |
Penicillium spp. |
|
| 1525609 |
mycelial neck rot |
Botrytis tulipae |
|
| 1525610 |
mycelial neck rot |
Botrytis tulipae |
|
| 1525611 |
mycelial neck rot |
Botrytis tulipae |
|
| 1525612 |
mycelial neck rot |
Botrytis tulipae |
|
| 1525613 |
mycelial neck rot |
Botrytis tulipae |
|
| 1525624 |
Penicillium fungi |
Penicillium spp. |
|
| 1525625 |
Tulip Breaking Virus |
Potyvirus TBV |
color break |
| 1525626 |
Tulip Breaking Virus |
Potyvirus TBV |
color break |
| 1525645 |
gray molds |
Botrytis spp. |
|
| 1525653 |
root rot/damping off |
Rhizoctonia spp. |
|
| 1525654 |
root rot/damping off |
Rhizoctonia spp. |
|
| 1525674 |
southern blight |
Sclerotium rolfsii |
|
| 1525675 |
southern blight |
Sclerotium rolfsii |
|
| 1525676 |
southern blight |
Sclerotium rolfsii |
|
| 1525673 |
southern blight |
Sclerotium rolfsii |
|
| 1525660 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 1525663 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 1525664 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 1525665 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 1525666 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 1525661 |
Phytophthora blight |
Phytophthora nicotianae |
sporangia |
| 1525677 |
southern blight |
Sclerotium rolfsii |
|
| 1525709 |
root rot/damping off |
Rhizoctonia spp. |
in most chamber |
| 1525710 |
root rot/damping off |
Rhizoctonia spp. |
in most chamber |
| 1525726 |
thrips |
|
Thrips |
| 1525731 |
root rot/damping off |
Rhizoctonia spp. |
|
| 1525735 |
edema |
|
|
| 1525168 |
Impatiens Necrotic Spot Virus |
Tospovirus INSV |
|
| 1525124 |
bacterial leaf spot |
Pseudomonas cichorii |
Pseudomones cichorii; Bacterial leaf spot |
| 1525130 |
phlox powdery mildew |
Erysiphe cichoracearum |
|
| 1525131 |
phlox powdery mildew |
Erysiphe cichoracearum |
|
| 1525132 |
phlox powdery mildew |
Erysiphe cichoracearum |
|
| 1525133 |
phlox powdery mildew |
Erysiphe cichoracearum |
|
| 1525181 |
Impatiens Necrotic Spot Virus |
Tospovirus INSV |
|
| 1525182 |
Impatiens Necrotic Spot Virus |
Tospovirus INSV |
|
| 1525183 |
Impatiens Necrotic Spot Virus |
Tospovirus INSV |
|
| 1525184 |
Impatiens Necrotic Spot Virus |
Tospovirus INSV |
|
| 1525180 |
root rot/damping off |
Rhizoctonia spp. |
Rhizoctonia on Coleus |
| 1525194 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
|
| 1525195 |
Fusarium root rot and wilt |
Fusarium oxysporum |
|
| 1525196 |
Fusarium root rot and wilt |
Fusarium oxysporum |
|
| 1525197 |
Fusarium root rot and wilt |
Fusarium oxysporum |
|
| 1525198 |
Fusarium root rot and wilt |
Fusarium oxysporum |
|
| 1525200 |
Fusarium root rot and wilt |
Fusarium oxysporum |
|
| 1525201 |
Fusarium root rot and wilt |
Fusarium oxysporum |
Healthy and diseased leaves |
| 1525203 |
Fusarium root rot and wilt |
Fusarium oxysporum |
Corm and roots |
| 1525204 |
Fusarium root rot and wilt |
Fusarium oxysporum |
corm and roots |
| 1525206 |
Fusarium root rot and wilt |
Fusarium oxysporum |
corm split to show vascular discoloration |
| 1525207 |
Fusarium root rot and wilt |
Fusarium oxysporum |
corm split to show vascular discoloration |
| 1525208 |
Fusarium root rot and wilt |
Fusarium oxysporum |
corm split to show vascular discoloration |
| 1525244 |
fir-fireweed rust |
Pucciniastrum epilobii |
Rust on Fuchsia |
| 1525248 |
fir-fireweed rust |
Pucciniastrum epilobii |
|
| 1525249 |
fir-fireweed rust |
Pucciniastrum epilobii |
|
| 1525238 |
gray mold |
Botrytis cinerea |
Botrytis on Fuchsia |
| 1525239 |
gray mold |
Botrytis cinerea |
|
| 1525209 |
dahlia smut |
Entyloma dahliae |
|
| 1525210 |
dahlia smut |
Entyloma dahliae |
|
| 1525211 |
dahlia smut |
Entyloma dahliae |
|
| 1525212 |
dahlia smut |
Entyloma dahliae |
|
| 1525214 |
dahlia smut |
Entyloma dahliae |
|
| 1525219 |
dahlia smut |
Entyloma dahliae |
|
| 1525257 |
anthracnose |
Colletotrichum dematium |
|
| 1525258 |
anthracnose |
Colletotrichum dematium |
|
| 1525259 |
anthracnose |
Colletotrichum dematium |
|
| 1525253 |
Impatiens Necrotic Spot Virus |
Tospovirus INSV |
INSV on Gerbera Daisy |
| 1525270 |
Fusarium wilt |
Fusarium oxysporum f.sp. gladioli |
Corm and root rot on Gladiolus |
| 1525268 |
Fusarium wilt |
Fusarium oxysporum f.sp. gladioli |
Fusarium on Gladiolus |
| 1525251 |
fir-fireweed rust |
Pucciniastrum epilobii |
|
| 1525260 |
Phytophthora root rot |
Phytophthora cactorum |
Phytophthora cactorum on Ginseng |
| 1525255 |
bacterial leaf spot |
Pseudomonas cichorii |
|
| 1525256 |
bacterial leaf spot |
Pseudomonas cichorii |
|
| 1525252 |
fir-fireweed rust |
Pucciniastrum epilobii |
|
| 1525289 |
gray molds |
Botrytis spp. |
|
| 1525306 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
|
| 1525305 |
Impatiens Necrotic Spot Virus |
Tospovirus INSV |
|
| 1525325 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525328 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525315 |
Alternaria black molds / stem cankers |
Alternaria spp. |
|
| 1525331 |
powdery mildew |
Erysiphe poeltii |
Powdery mildew on hydrangea |
| 1525332 |
powdery mildew |
Erysiphe poeltii |
Powdery mildew on hydrangea |
| 1525329 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525307 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
TSWV on Gloxinia |
| 1525309 |
Alternaria black molds / stem cankers |
Alternaria spp. |
Altenaria leafspot on Gomphreno |
| 1525310 |
Alternaria black molds / stem cankers |
Alternaria spp. |
Altenaria leafspot on Gomphrena |
| 1525311 |
Alternaria black molds / stem cankers |
Alternaria spp. |
Altenaria leafspot on Gomphrena |
| 1525313 |
Alternaria black molds / stem cankers |
Alternaria spp. |
Altenaria leafspot on Gomphrena |
| 1525314 |
Alternaria black molds / stem cankers |
Alternaria spp. |
Altenaria leafspot on Gomphrena |
| 1525316 |
foliar nematodes |
Aphelenchoides spp. |
|
| 1525317 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525318 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525319 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525320 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525322 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525324 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525335 |
powdery mildew |
Erysiphe poeltii |
Powdery mildew on hydrangea |
| 1525333 |
powdery mildew |
Erysiphe poeltii |
Powdery mildew on hydrangea |
| 1525334 |
powdery mildew |
Erysiphe poeltii |
Powdery mildew on hydrangea |
| 1524019 |
Gibberella stalk rot |
Gibberella zeae |
Corn ear rots; From top to bottom: Bipolaris maydis (= Helminthosporium maydis), Aspergilus flavus, Giberella zeae |
| 1524063 |
Bacterial stalk rot |
Enterobacter cloacae ssp. dissolvens |
|
| 1524135 |
powdery mildew |
Blumeria graminis |
Powdery mildew on barley |
| 1524174 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
|
| 1525026 |
bacterial spot |
Xanthomonas spp. |
|
| 1525028 |
bacterial spot |
Xanthomonas spp. |
bacterial streaming |
| 1525039 |
bacterial spot |
Xanthomonas spp. |
|
| 1525040 |
bacterial spot |
Xanthomonas spp. |
|
| 1525102 |
Gibberella stalk rot |
Gibberella zeae |
Fusarium stem rot |
| 1525098 |
Alternaria blight |
Alternaria dianthicola |
Alternaria on Carnation |
| 1525100 |
Alternaria blight |
Alternaria dianthicola |
Alternaria on Carnation |
| 1525101 |
Alternaria blight |
Alternaria dianthicola |
Alternaria dianthicola on Carnation |
| 1525110 |
downy mildew of potentilla |
Peronospora potentillae |
|
| 1525111 |
downy mildew of potentilla |
Peronospora potentillae |
|
| 1525112 |
downy mildew of potentilla |
Peronospora potentillae |
|
| 1525113 |
downy mildew of potentilla |
Peronospora potentillae |
|
| 1525007 |
slime mold |
|
Slime mold on African violet |
| 1525008 |
slime mold |
|
Slime mold on African violet |
| 1525009 |
slime mold |
|
Slime mold on African violet |
| 1525014 |
foliar nematodes |
Aphelenchoides spp. |
|
| 1525016 |
foliar nematodes |
Aphelenchoides spp. |
|
| 1524094 |
witchweed |
Striga spp. |
Witchweed |
| 1524088 |
sting nematode |
Belonolaimus spp. |
Corn sting Nematode |
| 1525006 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 1524051 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
|
| 1524052 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
|
| 1524009 |
anthracnose |
Colletotrichum graminicola |
|
| 1524038 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
Aspergillus infected corn head seen under black light |
| 1524039 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
Aspergillus infected corn head seen under black light |
| 1524040 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
Aspergillus infected corn head seen under black light |
| 1524029 |
Aspergillus fungi |
Aspergillus spp. |
Infected corn kernels, close view |
| 1524004 |
Phytophthora root and stem rot |
Phytophthora megasperma |
|
| 1524003 |
Phytophthora root and stem rot |
Phytophthora megasperma |
|
| 1524032 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
|
| 1524036 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
|
| 1524037 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
|
| 1524126 |
Cercospora leaf spot |
Cercospora arachidicola |
|
| 1524041 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
|
| 1524050 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
|
| 1525148 |
chrysanthemum white rust |
Puccinia horiana |
|
| 1524025 |
Fusarium wilts, blights, rots and damping-off |
Fusarium spp. |
|
| 1524042 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
|
| 1524043 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
|
| 1524047 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
A. flavus on corn silk |
| 1524048 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
A. flavus on corn silk |
| 1524049 |
Aspergillus ear and kernel rot |
Aspergillus flavus |
A. flavus on corn silk |
| 1524057 |
Southern corn rust |
Puccinia polysora |
|
| 1524147 |
karnal bunt |
Tilletia indica |
|
| 1524144 |
powdery mildew |
Blumeria graminis |
|
| 1524145 |
powdery mildew |
Blumeria graminis |
|
| 1524146 |
karnal bunt |
Tilletia indica |
|
| 5204071 |
southern red mite |
Oligonychus ilicis |
eggs and damage |
| 5204073 |
southern red mite |
Oligonychus ilicis |
|
| 5204072 |
southern red mite |
Oligonychus ilicis |
A cross section of a Ilex crenata ‘Convexa’ holly leaf. The fuzzy, pale green stuff is the edge of the leaf |
