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Scab on summer squash fruit


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



Fleshy fruit are especially susceptible to scab infections and subsequent crop losses.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY

Profuse sporulation of Cladosporium cucumerinum is common on the surface of summer squash.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY

Scab infection on zucchini fruit can cause eruption of gummy and gelatinous exudates,that later dry, giving a crusted appearance.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY
Scab pathogen can penetrate deeply into fleshy zucchini, and can show profuse sporulation.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY


Scab lesions on leaf and fruit of spaghetti squash.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY