P. pluvialis symptoms on Douglas-fir
Red needle cast symptoms on Douglas-fir in western Oregon, 2015
Photographer:
Barb Lachenbruch
Disease Symptoms:
All disease symptoms
Decline
Needle cast
Scale:
Whole tree
Whole tree
P. pluvialis - appearance of new growth
Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation.
Photographer:
Everett Hansen
Disease Symptoms:
All disease symptoms
Dieback
Needle cast
Host Genus:
Pseudotsuga
Scale:
Whole tree
Black pod disease of cacao caused by P. palmivora
Black pod of cacao in Ecuador caused by P. palmivora (see lesioned fruit on left).
Photographer:
Maria Ratti
Disease Symptoms:
All disease symptoms
Fruit rot
Host Genus:
Theobroma
Scale:
Whole tree
P. cactorum bleeding canker 2573
Bleeding canker on red oak (Quercus rubra)
Photographer:
Dawn Dailey O’Brien
Disease Symptoms:
All disease symptoms
Canker
Host Genus:
Quercus
Scale:
Whole tree
P. cactorum bleeding canker 2575
Bleeding canker on red oak (Quercus rubra)
Photographer:
Dawn Dailey O’Brien
Disease Symptoms:
All disease symptoms
Canker
Host Genus:
Quercus
Scale:
Whole tree
P. cactorum bleeding canker slide 5
Bleeding canker on European beech (Fagus sylvatica)
Photographer:
George W. Hudler
Disease Symptoms:
All disease symptoms
Canker
Host Genus:
Fagus
Scale:
Whole tree
P. cactorum bleeding canker slide 4
Bleeding canker on European beech (Fagus sylvatica)
Photographer:
George W. Hudler
Disease Symptoms:
All disease symptoms
Canker
Host Genus:
Fagus
Scale:
Whole tree
P. cactorum bleeding canker slide 2
Bleeding canker on European beech (Fagus sylvatica)
Photographer:
Shawn Kenaley
Disease Symptoms:
All disease symptoms
Canker
Host Genus:
Fagus
Scale:
Whole tree
P. cactorum bleeding canker slide 1
Bleeding canker on European beech (Fagus sylvatica)
Photographer:
George W. Hudler
Disease Symptoms:
All disease symptoms
Canker
Host Genus:
Fagus
Scale:
Whole tree
P. cactorum bleeding canker
Bleeding canker on European beech (Fagus sylvatica)
Photographer:
George W. Hudler
Disease Symptoms:
All disease symptoms
Canker
Host Genus:
Fagus
Scale:
Whole tree
Pages
