questions: asking about the root wilt disease 
 answers: suggestion=
apply phorate @ 10 gm mix with 200 gm sand in top of leaf axils or apply malathion 50 ec @ 1ml / l of water , 3 spray at 5 days interval.
=apply 1.3kg urea, 2kg super and 3.5 kg potash / plant should be apply in a year for better growth and disease resistance.