Question: asking about yollowing of pumpkin leave
 
Answer: the reason for the yellow pumpkin leaves has to do with lack of water, weather that has been too hot, nutrient deficiency or other stresses.pumpkin plants require 1 inch of water per week. avoid wetting the foliage or fruit unless the weather is dry and sunny. wet foliage and fruit promote rot, which can kill your plant. spray npk all @ 10g/lit of water at 7 days interval