In My Garden Grapes Leaves Are Having Abnormal Dots Through The

Question

In my garden I have dots on grapes leaves protruding on the face, While from the other side the dot has white cotton like color what should I do, to get rid of this disease

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Answer 1

It looks like the symptoms of the blister mite. Its damage does not affect the health of the grapevine and no action is needed. Here is more:

https://www.rhs.org.uk/biodiversity/grapevine-blister-mite

https://www.gardeningknowhow.com/edible/fruits/grapes/grape-leaf-blister-mites.htm