Grapevine blistering – treatments to combat eriophyid mites

Erinoza, also popularly called grapevine blistering, is the result of the activity of the eriophyid mites – Colomerus (Eriophyes) vitis. The mites feed on the underside of the leaf. As a result of the attack, felt-like spots (erineum) appear on this side of the leaf. On the upper side, blisters of a darker color than the rest of the leaf – initially yellowish-white, […]