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Scab on winter squash fruit


Scab lesions on surface of blue hubbard squash (C. maxima) showing both raised and sunkened cankers.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY



Scab lesions can also appear on stems, peduncle (fruit handle), and on the fruit rind. [Example is acorn squash (C. pepo)]
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY

Scab infection on butternut squash (C. moschata) showing superficial infection of rind.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY

Numerous sites of scab infection on immature fruit of the susceptible cheese pumpkin [actually a squash (Cucurbita moschata)].
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY

Susceptible cheese pumpkin, but actually a squash (Cucurbita moschata) can show numerous infection sites on the rind surface.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY