Black sooty mould on upper side of lower leaves.
Secondary symptoms - Curling & Honeydew (a sugary liquid) secretion with sooty mould growth are also observed; wilting of terminal shoots and pre-mature fruit drops are also observed. Solutions - Imidacloprid 200 SL @ 1 ml/liter of water; Thiamethoxam @ 10 gm/pump or Acetamiprid 20% SP @ 8 gm/pump.
Solutions for this issue