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大棚栽培的草莓一般在元旦前后开始上市,经济价值较高。但是大棚内温度和湿度都很高,这种高温高湿的环境条件,极有利于某些病虫害的大发生,尤其是白粉病,其发生受温、湿度影响比较大,是大棚草莓的主要病害,在草莓的整个生长期都会发生。通过调查发现,草莓白粉病的发生是以大棚盖膜后为害为主,特别是在草莓现蕾开花进入产果期以后为害最重,严重影响了草莓生长发育、产量和品质。
Greenhouse cultivation of strawberries generally listed around the New Year’s Day, higher economic value. However, the greenhouse temperature and humidity are high, the high temperature and humidity of the environmental conditions, is very conducive to the occurrence of certain pests, especially powdery mildew, its occurrence affected by temperature and humidity is relatively large, is the main disease greenhouse strawberry , Occurs throughout the growing season of strawberry. The survey found that the incidence of strawberry powdery mildew is covered with plastic film in the greenhouses, especially after the strawberry flower buds infested into the fruiting period of the most seriously affected the strawberry growth and development, yield and quality.