Question: query regarding management of blight in papaya. 
Answer: 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 one micronutrient 6 gm or ml 4 times once in a week