How to control mung bean powdery mildew?

How to control mung bean powdery mildew? Please point to mung bean powdery mildew: symptoms: small white powdery spots scattered on the surface of the leaves, when the climate is suitable, the spots expand rapidly, and the diseased leaves are covered with powdery matter, that is, pathogenic hyphae, conidiophores and conidia. After the young pod was damaged, it was deformed and the surface was powdery. In the later stage of the development of the disease, there are small black spots in the white powder, that is, the closed capsule of the pathogen. The regularity of the disease: the pathogen overwintered on the remnant of the diseased plant with closed cysts, released ascospores in the second year, spread by wind and rain, and carried out primary infection. Conidia are produced on the disease spot, which are also transmitted by the wind and re-infected. High temperature drying is beneficial to the occurrence of diseases. Prevention and treatment methods: one is to remove the remains of the diseased plant, and the other is to spray with 2000 times of 15% fenruccinate wettable powder 1000-1500 times or 20% fenrucine EC at the initial stage of the disease. Click to get more mung bean planting technology click to get more grain and oil planting technology