Q.Grapes turn black before ripening and stay small. Tried fungicides. What may be wrong?
Leaves not affected. Have 3 varieties and all do this.
Downtoearthdigs
Answered on April 21, 2019
This sounds like Black Rot disease.
This article will help you.
https://www.gardeningknowhow.com/edible/fruits/grapes/black-rot-grape-treatment.htm
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