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Black pod disease of cacao

Symptom of black pod disease of cacao (T. cacao) caused by P. palmivora

P. palmivora sporangia, chlamydospores, hyphae

Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue

P. palmivora sporangia

 

P. palmivora caducous papillate sporangia

 

P. palmivora symptoms on fruit

Brown rot on a lemon fruit caused by Phytophthora palmivora.

Growth of P. palmivora on CMA

Growth of P. palmivora on corn meal agar

Black pod disease of cacao caused by P. palmivora

Black pod of cacao in Ecuador caused by P. palmivora (see lesioned fruit on left).

P. palmivora oogonia

P. palmivora oogonia with antheridia

P. palmivora chlamydospore

Terminal chlamydospore of P. palmivora

P. palmivora colony morphology on V8

Growth of P. palmivora on V8 agar

P. palmivora oogonium

P. palmivora oogonium

P. palmivora colony morphology on PDA

P. palmivora colony morphology on PDA

P. palmivora sporangia

Sporangia (sporangiospores) showing sympodial branching