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调查结果表明,杨梅小细蛾在慈溪市1a发生2代,世代重叠明显,以幼虫在叶部泡状斑中越冬。其发生分布与为害以树体下部叶片为主,在9~10月主治第二代幼虫是防治的关键,可选用20%杀灭菊酯2000倍或50%辛硫磷乳油1000倍液喷洒树冠下部,防效良好。
The results showed that there were two generations of Myrica rubra in lai 1a in Cixi City. The generations overlapped obviously. The larvae overwintered in the blisters of leaves. Its distribution and damage to the lower leaves of the tree-based, in September to October the second generation of larvae is the key to prevention and control, the choice of 20% 2000% of fenvalerate or 50% phoxim EC 1000 times spray crown Lower, good effect.