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1996和1997年用1%灭虫灵(阿维菌素)乳油进行了防治甘蓝蚜、桃蚜、苹果黄蚜的田间药效试验.结果表明,该药对上述三种蚜虫均有较好防效.1%灭虫灵乳油1000倍和2O00倍液在药后7天均达到90%以上的防效,持效期在14天以上,且对作物安全.
The field efficacy test of cabbage aphid, green peach aphid and apple yellow aphid was conducted with 1% pest control (avermectin) EC in 1996 and 1997. The results showed that the medicine had better anti-aphids Effective .1% insecticide Ling EC 1000 times and 2O00 times in 7 days after treatment to achieve more than 90% of the control effect, duration of 14 days or more, and the crop safety.