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根据性诱剂连续7年诱测结果,桃潜叶蛾成虫在山东省烟台地区1年发生4代,越冬代成虫3月下旬开始活动;除越冬代盛期不明显外,第1代至第3代有明显的盛发期,且发生历期渐次拉长,出现世代重叠;多数年份以第3代蛾量最多,第3代成虫至9月下旬终止;10月下旬性诱剂仍能诱到少量成虫,视为越冬代。建议生产上以第1代成虫或第2代卵孵化盛期为防治适期。
According to the results of continuous lure inducement for 7 years, adult adults of Peach leaf moth occurred 4 generations a year in Yantai, Shandong Province, and the overwintering adults began to act in late March. Except for the obvious climber, the first generation to the The third generation has a clear Shengfa period, and the occurrence of the gradual lengthening of the period, the emergence of overlapping generations; the majority of third generation moths in most years, the third generation of adults to end in late September; To a small amount of adults, as overwintering generation. It is recommended to produce on the first generation of adult or second generation egg hatch peak for the prevention and treatment of period.