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河南省郑州市设施草莓种植面积约333 hm2,草莓白粉病是设施草莓生产上的主要病害之一,尤其大棚内高温高湿的小环境很适宜该病发生蔓延。草莓白粉病主要为害叶片、花、果、果梗,叶柄也可发病。大棚一旦发生草莓白粉病,如防治不及时,将给草莓生产带来严重损失,一般减产20%～30%,重者减产50%以上,甚至绝收,严重影响草莓的产量和品质。
Zhengzhou, Henan Province, facilities strawberry planting area of about 333 hm2, strawberry powdery mildew is one of the major plant strawberry production facilities, especially in the small greenhouse high temperature and humidity environment is very suitable for the spread. Strawberry powdery mildew is the main damage leaves, flowers, fruit, fruit stems, petioles can also be disease. Once the occurrence of strawberry powdery mildew in the greenhouse, such as prevention and treatment is not timely, will bring serious losses to the production of strawberries, the general reduction of 20% to 30%, weight reduction of more than 50% or even absolutely affect the yield and quality of strawberries.