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Ulocladium on cucumber

Ulocladium leaf spot of cucumber (Cucumis sativus) caused by Ulocladium cucurbitae
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY


Infection of cucumber by Ulocladium cucurbitae, left side susceptible, right side resistant in Plant Breeding plots in Varna, NY.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY
Ulocladium leaf spot of cucumber caused by Ulocladium cucurbitae.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY
Lesions of Ulocladium leaf spot on cucumber do not develop the "shot hole" appearance typical of angular leaf spot.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY
Ulocladium cucurbitae sporulating on PDA agar, showing dark spores and close attachment, following 10 days at 27C.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY