Why are my grape clusters shriveling and not ripening

I had a lot of green grape clusters on the vine, but they have begun shriveling and not ripening. What have I done wrong?

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1 Comment To "Why are my grape clusters shriveling and not ripening"

#1 Comment By theficuswrangler On 09/04/2014 @ 10:23 pm

There are several possible diseases. More information here:
https://www.gardeningknowhow.com/edible/fruits/grapes/black-rot-grape-treatment.htm ^[1]
https://www.gardeningknowhow.com/edible/fruits/grapes/preventing-pierces-disease.htm ^[2]
Two diseases found especially in cool, moist weather are botrytis
http://www.ipm.ucdavis.edu/PMG/r302100111.html ^[3]
and downy mildew https://www.gardeningknowhow.com/plant-problems/disease/downy-mildew.htm ^[4]
You can take some fruit and leaf samples to the county extension service for a positive identification. This link will help you locate the closest one:
https://www.gardeningknowhow.com/garden-how-to/info/what-is-extension-service.htm ^[5]

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URL to article: https://questions.gardeningknowhow.com/why-are-my-grape-clusters-shriveling-and-not-ripening/

URLs in this post:

[1] https://www.gardeningknowhow.com/edible/fruits/grapes/black-rot-grape-treatment.htm: https://www.gardeningknowhow.com/edible/fruits/grapes/black-rot-grape-treatment.htm

[2] https://www.gardeningknowhow.com/edible/fruits/grapes/preventing-pierces-disease.htm: https://www.gardeningknowhow.com/edible/fruits/grapes/preventing-pierces-disease.htm

[3] http://www.ipm.ucdavis.edu/PMG/r302100111.html: http://www.ipm.ucdavis.edu/PMG/r302100111.html

[4] https://www.gardeningknowhow.com/plant-problems/disease/downy-mildew.htm: https://www.gardeningknowhow.com/plant-problems/disease/downy-mildew.htm

[5] https://www.gardeningknowhow.com/garden-how-to/info/what-is-extension-service.htm: https://www.gardeningknowhow.com/garden-how-to/info/what-is-extension-service.htm

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