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saltyfur

Grape vine leaf blisters

10 years ago

Hello all. I recently added two grape vines to my greenhouse here in the southern colorado mountains. Both survived planting and have woken up. One is healthy as can be and is growing like a weed. The other is growing much slower and the older leaves have this blistering on the underside of them. New leaves do not seem to be affected until they get bigger. Anyone have any ideas what this is?


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