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Bacterial leaf spot on winter squash

Bacteial Leaf Spot on Butternut fruit external

Bacteial Leaf Spot on Butternut fruit external and internal

External fruit damage to Winter Squash from Bacterial Leaf Spot

Bacterial Leaf Spot on Winter Squash showing affected leaf and fruit

Heavily damaged winter squash infected by bacterial leaf spot

Internal damage to Winter Squash caused by Bacterial Leaf Spot

Photos courtesy of T.A. Zitter, Cornell University, Ithaca, NY