ಅಲಸಂದಿ Black sooty mould on upper side of lower leaves.- ಆಗ್ರೋಸ್ಟಾರ್

Black sooty mould on upper side of lower leaves.

Secondary symptoms - Downward curling of leaves; honey dew secretion and blackening of older leaves is also observed.

ಈ ಸಮಸ್ಯೆಗೆ ಪರಿಹಾರಗಳು