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Botrytis Gray Mold of Greenhouse & Field Tomato

Botrytis cinera

Infections can spread from flowers and fruit back toward the stem, which turn beige to white and develop a canker. Immature fruit become soft and watery, and black sclerotinial bodies have developed under the calyx.

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

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Link to the Factsheet on Botrytis of Tomato

Link to Photo Gallery of Botrytis of Tomato