P. chlamydospora colony morphology on V8 agar
P. chlamydospora colony morphology on V8 agar
Photographer:
Paul Reeser
Colony Morphology:
All colony morphology
V8 Agar
Scale:
Organismal
Organismal
P. nicotianae colony morphology on CMA
Phytophthora nicotianae CBS 321.49 CMA after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands)
Photographer:
Q-bank, Henk Brouwer
Colony Morphology:
All colony morphology
Corn meal agar (CMA)
Scale:
Organismal
P. nicotianae colony morphology on PDA
Phytophthora nicotianae CBS 321.49 PDA after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands)
Photographer:
Q-bank, Henk Brouwer
Colony Morphology:
All colony morphology
Potato Dextrose Agar (PDA)
Scale:
Organismal
P. nicotianae colony morphology on V8
Phytophthora nicotianae CBS 321.49 V8 after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands)
Photographer:
Q-bank, Henk Brouwer
Colony Morphology:
All colony morphology
V8 Agar
Scale:
Organismal
P. pluvialis on Pinus radiata needle
Clusters of sporangia emerge from stomata of an infected radiata pine needle.
Photographer:
Scion
Disease Symptoms:
All disease symptoms
Leaf necrosis
Host Genus:
Pinus
Pathogen Morphology:
Sporangia
Scale:
Microscopic
Organismal
P. tentaculata disease symptoms on California mugwort
Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant).
Photographer:
Phytosphere Research
Disease Symptoms:
All disease symptoms
Decline
Host Genus:
Artemisia
Scale:
Organismal
P. tentaculata disease symptoms on California mugwort
Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot
Photographer:
Suzanne Rooney-Latham
Disease Symptoms:
All disease symptoms
Collar rot
Root rot
Host Genus:
Artemisia
Scale:
Organismal
P. tentaculata on V-8 media
Culture of P. tentaculata on V-8 media
Photographer:
Suzanne Rooney-Latham
Colony Morphology:
All colony morphology
V8 Agar
Scale:
Organismal
P. tentaculata disease symptoms on sticky monkey flower
Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right)
Photographer:
Suzanne Rooney-Latham
Disease Symptoms:
All disease symptoms
Collar rot
Decline
Leaf necrosis
Host Genus:
Diplacus
Scale:
Organismal
P. pluvialis on Pinus radiata in New Zealand
Typical red needle cast symptoms along a twig. Lesions begin at the base of the needle which subsequently turns brown and is cast from the twig.
Photographer:
Scion
Disease Symptoms:
All disease symptoms
Needle cast
Host Genus:
Pinus
Scale:
Organismal
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