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在实验室用吡虫啉原药 (91 0 7% )配成 0 1 %、 0 4%、 0 8、 1 2 %、1 6 %五个浓度的粉剂 ,测定吡虫啉对台湾乳白蚁的LC50 为 0 40 0 7%。用蚜虱净(含吡虫啉 1 0 % )配成 0 0 5 %、 0 1 %、 0 2 %、 0 3%、 0 4%、 0 5 %六个浓度毒土 ,测定吡虫啉对台湾乳白蚁的LC50 为 0 1 5 36 %。
In the laboratory, imidacloprid (91 0%) was dubbed as 0 1%, 0 4%, 0 8, 1 2% and 1 6% 0 7%. The effects of imidacloprid on the abundance of T. tabaci were determined by using imidacloprid (10% imidacloprid) as 0 5%, 0 1%, 0 2%, 0 3%, 0 4% and 0 5% LC50 is 0 1 5 36%.