Are raised bumps on my grape vine leaves a problem?
Our Advice
This caused by tiny vine erinose mites feeding on the leaves. The corresponding areas on the underside of the leaves will have patches of creamy-white hairs where the mites are feeding. Spray the whole plant with SB Plant Invigourator or Organic 2in1 from Vitax at regular intervals, be sure you spray the undersides of the leaves.
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