Never expect common pests and diseases of crops in poly houses. It is different Powdery mildew assumes a pest status in initial stages of yard long bean cultivation, When I was thought of controlling this fungi using carbendazim ,my friend suggested me of giving Pseudomonas spray containing a solution of 20 gm in 1 liter water rather than going for chemical treatment.i gave two spraying in weekly intervals to the plant.The result was encouraging that I could control it completely from my polyhouse
