Grapes Leaves Have Translucent Light Green Regions

Question

The foliage on my grapes tree is having these light green spots that appear to be translucent. The tree was heavily pruned this year. The foliage appears light green yellowish and doesn\’t have the full dark green color as last year.The quantity of foliage is also less comparatively. Is this due to a disease or nutrient deficiency.Please suggest corrective measures. Thank you.

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Answer 1

Uh-oh. This looks like the start of Grapevine Yellows! This is not treatable, unfortunately. I would contact your local extension service to confirm.

https://www.gardeningknowhow.com/edible/fruits/grapes/grapevine-yellows-information.htm

https://www.gardeningknowhow.com/extension-search