questions: query regarding fertilizer dose of coconut 
 answers: advised to chisel out completely the affected tissues and paint the wound with tridemorph 5% or bordeaux paste. apply coal tar after 1-2 days on the treated portion. burn off chiseled pieces.
root feed with tridemorph 5ml in 100 ml water, thrice a year during april-may, september-october and january-february to prevent further spread of lesions.