Major diseases and pests of GB. PVY (A), PLRV (B), Late Blight (C,D), Smut of grass (E), Smut of maize crop (F), Early Blight of tomatoes (G,H), Powdery mildew of cucumbers (I), Apples are infested by a pest (J), Fruit fly infestation of peaches (K) and Cuscuta spp. parasitizing potatoes (L).