今年入夏以来,阴雨天多,气温低;对于大棚桃、露地桃种植户来说,这不是一件好事。因为多雨潮湿和较凉的天气正适宜桃灰霉病的发生。桃灰霉病的发生特点是发病早、传播快、危害重、防治难。因此,春季桃花期一旦灰霉病流行,常造成大量花腐烂脱落。对于大棚桃来说,由于处于密闭状态,大棚湿度大,尤其 Since the beginning of summer this year, there are many rainy days and low temperatures; for greenhouses and peasants, this is not a good thing. Because wet and wet weather is suitable for the occurrence of peach gray mold. Occurrence of peach gray mold disease is characterized by early onset, rapid transmission, endangered, prevention and treatment difficult. Therefore, once the gray mold epidemic in the spring peach blossoms, often resulting in a large number of flowers decay. For peach shed, due to being confined, the greenhouse humidity, especially