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Cornell Vegetables

Resources for commercial growers

HomePest managementKeys for Identifying Vegetable DiseasesTomato Diagnostic KeySymptoms on FruitBlossom End

Blossom End

Note: lesions are usually large in size.

Buckeye rot | See factsheet for more information (LIHREC)

lesions on two tomato fruits — Photo courtesy of Meg McGrath, Cornell University, LIHREC, NY.

Symptoms: large, firm, smooth, brown spots. Concentric zones are present.

Rhizoctonia soil rot

diseased tomato fruit — Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY.

Symptoms: usually occurs on ripening fruit on or in close proximity to soil. Lesions are initially firm but develop into a watery rot.

Blossom-end rot (fruit disorder) | See factsheet for more information (LIHREC)

two rotting tomato fruits — Photo courtesy of Meg McGrath, Cornell University, LIHREC, NY.

Symptoms: dark brown to black, leathery spot at the blossom end.

Catfacing

three damaged tomato fruit — Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY.

Symptoms: dark brown, firm streaks (scars) at the blossom end.

More information/prepared by:

For more information, please contact:
Meg McGrath – mtm3@cornell.edu & Chris Smart – cds14@cornell.edu
Originally prepared for Vegetable MD Online by Thomas A. Zitter.