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葡萄毛毡病不是病兼答山西读者李明李明同志来信说,他的葡萄园去年发现了毛毡病,曾连续几次喷多菌灵等杀菌剂防治而不见好,这究竟是为什么?葡萄毛毡病其实并不是由细菌或真菌引起的病害,而是一种极微小的昆虫——锈壁虱所致。其成虫在葡萄芽眼的鳞片中越冬,翌年春季...
Grapefruit disease is not a disease Reply to Shanxi Readers Li Ming Comrade Li Ming said that his vineyard found felting disease last year, had several consecutive times of fungicide spray and other fungicides and good control, which is why? Villi disease is not actually a disease caused by bacteria or fungi, but a tiny insect - caused by rust ticks. Its adults wintering in the scales of the grape bud eye, the following spring ...