Phytophthora root rot
Phytophthora cinnamomi Rands

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Image Descriptor Description
5492852 Symptoms Tree with severe symptoms; it will probably die within one year.
5492857 Symptoms Tree with moderate symptoms; it will probably die within four years.
5492856 Symptoms Tree with moderate symptoms; it will probably die within four years.
5492854 Symptoms Tree with severe symptoms; it will probably die within one year.
5492855 Symptoms Tree with moderate symptoms; it will probably die within four years.
5492853 Symptoms Tree with severe symptoms; it will probably die within one year.
5479855 Asexual Spore Sporangia
5479856 Asexual Spore Sporangia
5479857 Culture Grape-like clusters of hyphal swellings
5479917 Symptoms DiebackCultivar is 'Densa' 
5479918 Symptoms Blackening of stem near base of plantCultivar is 'Densa' 
5479919 Symptoms Blackening of stem near base of plantCultivar is 'Densa' 
5388286 Symptoms Shrubs affected by phytophthora root rot.
1236097 Symptoms
1236098 Symptoms
2651047 Symptoms root decay (bark intact)- base of stem. Union County, North Carolina
0745018 Distribution
0745019 Symptoms
0745017 Symptoms
4823079 Symptoms Mortality in four year old plantation.
4823085 Symptoms Mortality of 2-0 bareroot stock in Munson Forest Nursery, Florida, USA.
4823081 Symptoms Mortality of 2-0 stock in Munson Forest Nursery, Florida, USA
0488102 Symptoms injury to young tree
1235233 Symptoms
4824002 Symptoms Mortality in 13-year old stand.
4824003 Symptoms Mortality in 4-year old stand
2733025 Symptoms fading crowns, numerous cones, and short stunted needles and twigs
1236120 Symptoms
1442067 Symptoms Healthy (left) diseased (right)
1236178 Symptoms
1436139 Symptoms
2651048 Symptoms dead seedling.
2651046 Symptoms root decay (bark removed) at base of stem.
1236179 Symptoms
1236121 Symptoms
1442068 Symptoms stand break up due to disease
1235232 Symptoms
0364056 Symptoms symptoms on shortleaf pine
5408717 Culture Phytophthora cinnamomi growing from Fraser fir root samples on PARPH-V8 agar, approximately 48 hours after plating.
5408718 Culture Phytophthora cinnamomi growing from Fraser fir root samples on PARPH-V8 agar, approximately 48 hours after plating.
5253012 Symptoms Bleeding canker caused by Phytophthora cinnamomi, Arrayanal, Mexico
5253013 Symptoms Bleeding canker caused by Phytophthora cinnamomi, Arrayanal, Mexico
5253014 Symptoms Bleeding canker caused by Phytophthora cinnamomi, Arrayanal, Mexico
5253015 Symptoms Bleeding canker caused by Phytophthora cinnamomi, Arrayanal, Mexico
5253016 Symptoms Zone lines around canker cause by Phytophthora cinnamomi
5337072 Symptoms
5337073 Symptoms
5338004 Sign microscopic view of sporangia and mycelium on root
5338005 Sexual Spore microscopic view of oogonia and antheridia
5338006 Asexual Spore sporangium
1473271 Symptoms site #70, disease present since 1933 (picture taken 1953)
5262043 Feature(s) sporangium; soil bait (blueberry)
5262044 Feature(s) sporangium; soil bait (blueberry)
5262045 Feature(s) soil bait (blueberry)
5262046 Feature(s) soil bait (blueberry)
5262047 Feature(s) soil bait (blueberry)
5262048 Feature(s)
5262049 Feature(s) soil bait (blueberry)
5262050 Feature(s) soil bait (blueberry)
5262051 Feature(s) sporangium; soil bait (blueberry)
5262052 Feature(s) soil bait (blueberry)
5262053 Feature(s) sporangium; soil bait (blueberry)
5262054 Feature(s) soil bait (blueberry)
5262055 Feature(s) soil bait (blueberry)
5262056 Feature(s) soil bait (blueberry)
5262057 Feature(s) soil bait (blueberry)
5262058 Feature(s) soil bait (blueberry)
5262059 Feature(s) soil bait (blueberry)
5262060 Feature(s) soil bait (blueberry)
5262061 Feature(s) soil bait (blueberry)
5261088 Symptoms
5261089 Symptoms
5260092 Symptoms
1501067 Symptoms Littleleaf disease; Shortleaf pine
1501060 Equipment Littleleaf disease, sampling tools
1501061 Survey Littleleaf disease; apple trap diagnosis P. cinn..
1501062 Symptoms Littleleaf disease; crown with stress cones
1501063 Symptoms Littleleaf disease; crown thinning
1501066 Symptoms Littleleaf disease
1501068 Symptoms Littleleaf disease
1501069 Symptoms Littleleaf disease
1501071 Symptoms Littleleaf disease; crown thinning
1501072 Symptoms Littleleaf disease
1501074 Symptoms Littleleaf disease
1501076 Symptoms Littleleaf disease
1501077 Symptoms Littleleaf disease
1501064 Symptoms Littleleaf disease; crown thinning + healthy
1501070 Symptoms Littleleaf disease
5171025 Research Young plants showing symptoms after inoculation; Plots were innoculated in opposite corners to look at the effect of soil treatments and soil type on the spread of the disease.
5171026 Research Young plants showing symptoms after inoculation; Plots were innoculated in opposite corners to look at the effect of soil treatments and soil type on the spread of the disease. Soil tensiometer also included in plots.
5171027 Research evaluating the effect of soil treatments and soil type on the spread of root rot; soil tensiometer used to measure soil moisture.
3037014 Symptoms early stage of disease
3037003 Symptoms stress crop of cones-little leaf late symptoms
5055035 Symptoms
5055033 Symptoms
5055034 Symptoms
0745020 Soil and water typical soil profile of susceptible site
4823077 Symptoms Mortality of first-year seedlings in Munson Forest Nursery, Florida, USA
4823078 Symptoms Roots of infected nursery seedlings. Note the lack of short lateral roots and presence of black, necrotic and sloughing cortical tissues.
4823082 Symptoms Resin caked roots of infected seedlings in the field.
4823083 Symptoms Resin-soaked tap root of seedling infected during its first year in the field.
4823080 Management Poor seed bed drainage can increase infection risk.
4823086 Symptoms Healthy tree (left), infected tree (right).
4823087 Symptoms Yellowing foliage of infected tree.
4823088 Symptoms 13-year old trees: Fading tree (left), dead tree (center), healthy treee (right).
4823089 Symptoms Resin soaked tissue.
0745021 Soil and water typical soil profile of susceptible site

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