| 4554082 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
|
| 1399115 |
Dothiorella gummosis and rot |
Dothiorella gregaria |
|
| 4822085 |
Botryosphaeria canker |
Botryosphaeria dothidea |
crown thinning and dieback |
| 1399121 |
corky bark disease |
Diplodia tumefaciens |
|
| 1442142 |
Phyllosticta leaf spots |
Phyllosticta spp. |
Gunnison National Forest |
| 4822086 |
Botryosphaeria canker |
Botryosphaeria dothidea |
advanced symptoms and damage. |
| 4822087 |
Botryosphaeria canker |
Botryosphaeria dothidea |
note the discoloration on vascular tissue, 3/4 dead. Only the light-colored section is alive. |
| 1198009 |
eye spot |
Phyllosticta minima |
This image shows spots that are more purple than usual. Often the center of the lesion falls out, resulting in the shot-hole symptom that is common with this disease. |
| 3046063 |
Botryosphaeria canker |
Botryosphaeria rhodina |
|
| 5435603 |
Avocado Dieback |
Neofusicoccum parvum |
|
| 1415005 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
August, 2001 |
| 1415006 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
August, 2001 |
| 1415004 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
August, 2001 |
| 5405252 |
anthracnose |
Aureobasidium apocryptum |
Upper surface of maple leaf with tan blotches having dark-green halos caused by the fungus Aureobasidium apocryptum. |
| 5405253 |
anthracnose |
Aureobasidium apocryptum |
Upper surface of maple leaf with tan blotches having dark-green halos caused by the fungus Aureobasidium apocryptum. |
| 5405254 |
anthracnose |
Aureobasidium apocryptum |
Close-up of upper surface of maple leaf with tan blotches having dark-green halos caused by the fungus Aureobasidium apocryptum. |
| 5405255 |
anthracnose |
Aureobasidium apocryptum |
Close-up of lower surface of maple leaf with tan blotches having dark-green halos caused by the fungus Aureobasidium apocryptum. |
| 5405256 |
anthracnose |
Aureobasidium apocryptum |
Close-up of lower surface of maple leaf showing one tan blotchy area having a dark-green halo caused by the fungus Aureobasidium apocryptum. |
| 5405257 |
anthracnose |
Aureobasidium apocryptum |
Close-up of lower surface of maple leaf showing tan infected tissue caused by the fungus Aureobasidium apocryptum. Note the lack of any signs of the pathogen. |
| 5405258 |
anthracnose |
Aureobasidium apocryptum |
Lower surface of maple leaf stained to reveal random acervuli of the fungus Aureobasidium apocryptum. |
| 5405259 |
anthracnose |
Aureobasidium apocryptum |
Lower surface of maple leaf stained to reveal a cluster of acervuli of the fungus Aureobasidium apocryptum. |
| 5405260 |
anthracnose |
Aureobasidium apocryptum |
An acervulus with stained conidia of the fungus Aureobasidium apocryptum. |
| 5405261 |
anthracnose |
Aureobasidium apocryptum |
An acervulus with stained conidia of the fungus Aureobasidium apocryptum. |
| 5405262 |
anthracnose |
Aureobasidium apocryptum |
Conidia of the fungus Aureobasidium apocryptum. |
| 5055075 |
eye spot |
Phyllosticta minima |
Phyllosticta leaf spot |
| 5393127 |
Botryosphaeria canker |
Botryosphaeria rhodina |
branch canker, close-up |
| 5383038 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
|
| 5383039 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
|
| 5379744 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
|
| 1473090 |
Macrophoma rough bark disease |
Macrophoma tumefaciens |
close-up of lumpy, rough, round gall on aspen branch |
| 5334017 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
|
| 1473167 |
Macrophoma rough bark disease |
Macrophoma tumefaciens |
|
| 5257036 |
eye spot |
Phyllosticta minima |
|
| 5257037 |
eye spot |
Phyllosticta minima |
|
| 5220075 |
Botryosphaeria canker |
Botryosphaeria ribis |
|
| 5220076 |
Botryosphaeria canker |
Botryosphaeria ribis |
|
| 5057073 |
eye spot |
Phyllosticta minima |
|
| 5057074 |
eye spot |
Phyllosticta minima |
|
| 5057075 |
eye spot |
Phyllosticta minima |
|
| 5057076 |
eye spot |
Phyllosticta minima |
|
| 5057077 |
eye spot |
Phyllosticta minima |
|
| 5057079 |
eye spot |
Phyllosticta minima |
|
| 5057080 |
eye spot |
Phyllosticta minima |
|
| 5057082 |
eye spot |
Phyllosticta minima |
|
| 5057083 |
eye spot |
Phyllosticta minima |
|
| 2110064 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
blotches on infected leaves; June 2001 |
| 2111010 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
blotches on infected leaves |
| 3943012 |
Java black rot |
Lasiodiplodia theobromae |
Dead branch in. |
| 3943013 |
Java black rot |
Lasiodiplodia theobromae |
Gummosis and canker associated with fungus infection |
| 4824074 |
Botryosphaeria canker |
Botryosphaeria dothidea |
Infected seedlings with dark fruiting bodies on lower stem/root-collar (three seedlings on right), uninfected (three seedlings on left). |
| 4824075 |
Botryosphaeria canker |
Botryosphaeria dothidea |
On surface of lower stem/root-collar. |