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【目的】筛选防治苹果绵蚜的高效低毒无公害药剂,有效控制苹果绵蚜。【方法】选择七种药剂采用田间灌根、喷雾方法对苹果绵蚜Ribosome lanigerum (Hausmann)进行防治试验。【结果】40%乐斯本乳油2000倍液、2.4%阿巴丁乳油10000倍液和3.0%啶虫脒可湿性粉剂1 000倍液田间喷雾15 d后对苹果绵蚜的防治效果分别达100%、96.16%和80%。40%辛硫磷乳油1000倍液、1.2%苦参碱.烟碱乳油1000倍液春季灌根防效达95%和91%。【结论】比较春季和秋季两次灌根时间,以春季灌根效果为好。
【Objective】 The objective of this study was to screen efficient and low toxicity non-polluting agents for control of cotton aphid in apple and to control apple aphid effectively. 【Method】 Ribes lanigerum (Hausmann) was used to control the apple aphid by field irrigation and spray. 【Result】 The results showed that the control effect of 40% Loxingham 2000 times liquid, 2.4% Abamectin EC 10000 times and 3.0% acetamiprid WP 1000 times were 15 days %, 96.16% and 80%. 40% Phoxim EC 1000 times, 1.2% Matrine. Nicotine EC 1000 times spring irrigation effect 95% and 91%. 【Conclusion】 Compared with two irrigation times in spring and autumn, irrigation in spring was better.