Problem of the Week

Page 2: July 8, 1998:

More Angular Leaf Spot on Pumpkin and Buckeye Rot on Tomatoes

Angular Leaf Spot. Close up of the underside of the leaf.

Buckeye Rot (Phytophthora spp., including P. capsici)
Buckeye rot caused by the pathogen Phytophthora spp. can become a major problem in processing tomato production during periods of heavy rainfall which lead to saturated soils. The pathogen can infect developing green tomatoes which are sitting in free water or on saturated soils causing them to rot. Infected tomatoes will develop concentric tan/brown lesions (see picture). See the Research Report section on the Tomcast page for some new ways to reduce fruit loss from Buckeye rot. (See the buttons at the bottom of the page.



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Phytophthora Blight on Pumpkin fruit

TOMCAST Page.