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一、发生趋势综合各种因素,山西省农作物病虫测报站预计果树山楂叶螨中等发生,发生面积100~150万亩;苹果蚜虫中等发生,发生面积200万亩;金纹细蛾中等发生,发生面积150~200万亩;苹小卷叶蛾偏轻,局部中等发生,发生面积100~150万亩;桃小食心虫偏轻发生,发生面积150~200万亩;苹果白粉病中等,局部偏重发生,发生面积150万亩;苹果斑点落叶病中等发生,发生面积80万亩;苹果褐斑病中等发生,发生面积80万亩。
First, the occurrence trend of a variety of factors, the Shanxi Provincial Crop Pest Report Station is expected to fruit tree hawthorn spider mite occurred, the area of 100 to 150 mu; apple aphids occurred moderately, an area of 200 mu; gold moth occurred moderately, Occurred area of 150 to 200 acres; small apple roller leaf mite partial light, the local medium occurred, the occurrence of an area of 100 to 150 mu; Peach small insects and worms partial light occurred, an area of 150 to 200 acres; apple powdery mildew moderate, local emphasis occurred, Occurrence of an area of 150 mu; apple spot deciduous disease occurred moderately, the occurrence area of 800000 acres; apple brown spot occurred moderately, the occurrence area of 800000 mus.