questions: asking about the control measure for powdery mildew in bitter gourd. 
 answers: advised to spray sulphur fungicide @ 2.5 gram/lit water(500 gram/200 lit water for 1 acre) or blitox 50 @ 2 gram/lit water(400 gram/200 lit water for 1 acre). also, spray npk @ 10 gram/lit water(2 kg/200 lit water for 1 acre).