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树冠喷药毒杀光肩星天牛成虫效果及农药残留分析 摘要 We reported in this paper the results of our test of four insecticides used through cover spray for controlling the Asian longhorned beetle, Anoplophora glabriennis (Motsch.). The four insecticides were ASTRO (A. I. 36.8% permethrin) by FMC C...