Grapes - Knowledgebase Question

Westfield, Ma
Question by Jkrupy3
July 31, 2009
I have a 75 ft. Grape arbor vine on 3 wires 10ft. tall.I have sprayed 3 times with a fruit spry. I have a rot that affects the grapes a few at a time with some leaf spotted wilt. How do I stop this and save my grapes?

Answer from NGA
July 31, 2009


There are a number of diseases that can cause grape rot but without knowing which one specifically is causing problems with yours, I can't really make a recommendation. Botrytis is a common problem but so is Black Rot. The controls are different. I think the best course of action is for you to take samples of the affected grapes and leaves to your cooperative extension office for positive diagnosis. You can contact UMASS through the following website, which also offers a diagnostic tool online:

Hope this information is helpful.

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