questions: query regarding control of blight in dolichos bean 
 answers: pluck the excessively affected leaves
from the plants and burn them in a separate place out from the field. spray copper
oxychloride (blitox-50/ blue copper) 3 gram per liter of water 3 times at 5 days interval
in the evening time in the absence of rain. after that spray micronutrient 6 ml/gm per liter of water 3 times once in a week.