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Web blight caused by Thanatephorus cucumeris on cowpea.


Bernardo de Almeida Halfeld-Vieira and Kátia de Lima Nechet
EMBRAPA Roraima, Boa Vista, RR, Brazil
Email: halfeld@cpafrr.embrapa.br


Host: Cowpea. Vigna unguiculata L. Walp
Disease name: Web blight
Pathogen name: Thanatephorus cucumeris (Frank) Donk.


Web blight is an important disease of cowpea and common bean in the Brazilian Amazon. Mycelia of pathogen are visible in center of lesions.


APS publication number:  IW000066


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