近年来我市温室草莓深冬栽培呈发展势头,但病虫害也随面积增加而加重,使产量和质量下降。下面介绍几种常见病害的识别和防治方法。1.草莓白粉病1.1症状叶发病初期在叶面长出薄薄的白色菌丝层,随病情加重,叶缘逐渐向上卷起呈汤匙状,叶片上发生大小不等的暗色污斑和白色粉状物,后 In recent years, the winter greenhouse cultivation in greenhouse in our city has been developing, but pests and diseases also increase with the increase of area, which leads to the decrease of yield and quality. The following describes several common disease identification and prevention methods. 1. Strawberry Powdery Mildew 1.1 Symptoms The early leaves of the disease grow thin white mycelium on the foliage, with the aggravating illness, the leaf margin gradually rolled up spoon-shaped leaves on the occurrence of different sizes of dark stains and white powder Shape, after