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随着高效广谱化学农药的广泛使用,苹果园中越来越明显地出现了一些抗性害虫,如二斑叶螨、潜叶蛾、黄蚜、棉铃虫等。也有一些过去是次要害虫,现已上升为主要害虫,如卷叶虫。根据我们这几年的试验研究,谈谈它们的发生规律与防治措施。
With the widespread use of highly efficient and broad spectrum chemical pesticides, some resistant pests such as Tetranychus urticae, leaf moth, yellow aphid, cotton bollworm and so on appear more and more obviously in apple orchard. There are also some past minor pests that have now risen to major pests such as leaf roller worms. According to our pilot studies in recent years, talk about their occurrence and prevention measures.