Phytophthora collar rot on Italian alder trees: standing, dead tree
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P. siskiyouensis disease symptoms on Italian alder |
Basal canker on Port-Orford cedar Basal canker on Chamaecyparis lawsoniana |
P. pluvialis symptoms on Douglas-fir P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015 |
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P. kernoviae colony morphology on CMA PARPH Organism grown on CMA PARP[H]; Plant disease 70, 1038-1043 |
Dying Port Orford Cedar trees |
Dead Port Orford Cedar trees Dead Chamaecyparis lawsoniana trees along road |
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P. cinnamomi hyphal swelling P. cinnamomi hyphal swelling (or thin walled chlamydospores) |
P. pinifolia colony morphology on CMA-NARP Colony morphology of P. pinifolia at 20°C on CMA-NARP after 3 weeks. From Duran et al. 2008 |
Black pod disease of cacao caused by P. palmivora Black pod of cacao in Ecuador caused by P. palmivora (see lesioned fruit on left). |
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P. boehmeriae chlamydospore Globose chlamydospore of P. boehmeriae |
P. cryptogea colony morpholgy on V8 Colony morphology on V8 at 14 days |
P. arenaria oogonium Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm |


