Problem of the Week

This Week: July 8, 1998:

Angular Leaf Spot on Pumpkin

Buckeye Rot on Tomatoes (Phytophthora spp., including P. capsici)

Phytophthora Blight of Cucurbits

Photos from: Riedel, Wyenandt and Precheur.


Angular Leaf Spot on Pumpkin Leaves

Angular Leaf Spot. First symptoms of the disease are water soaked lesions on the leaves
Close up view. The lesions expand until they are limited by leaf veins which causes them to take on an angular shape. The water soaked areas become light tan to white in color, dry out and fall out of the leaf leaving an angular shot hole in the foliage.


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More: Angular Leaf Spot, Buckeye Rot and Phytophthora.