知识与财富的链接
油荼尺蛾（Biston marginata Shiraki）是近年来广东省中山市阔叶混交林内出现的重要害虫。19种农药室内药效试验显示：15％茚虫威悬浮剂4000倍液、10％除尽悬浮剂2000倍液、16000UI／mg Bt可湿性粉剂1000倍液、3．2％甲氨基阿维菌素苯甲酸盐5000倍液、40％辛硫磷乳油2000倍液、2．8％阿维菌素乳油10000倍液和90％敌百虫晶体1000倍液致幼虫死亡均达100％。在林间,15％茚虫威悬浮剂4000倍液、10％除尽悬浮剂2000倍液、16000UI／mgBt可湿性粉剂1000倍液、3．2％甲氨基阿维菌素苯甲酸盐5000倍液、40％辛硫磷乳油2000倍液和90％敌百虫晶体1000倍液的杀虫效果均达100％,而2．8％阿维菌素乳油10000倍液的杀虫效果为84．48％。
Biston marginata Shiraki was an important pest of broad-leaved and broad-leaved mixed forests in Zhongshan city of Guangdong province in recent years. The control technologies of B. marginata were studied in the laboratory. The results showed that the insecticides which were 4 000 dilution of suspensions of 15% indox- acarb, 2 000 dilution of suspensions of 10% chlorfenapyr, 1 000 dilution of wettable powders of 16 000 UI/mg Bacillus thuringiensis, 5 000 dilution of 3.2% emamectin benzoate EC, 2 000 dilution of 40% phoxim EC , 10 000 dilution of 2.8% avermectins EC and 1 000 dilution of 90% dipterex crystal had good control effects to the larvae, the lethality of all of them reached 100%. By means of assaying the toxicity of several insecticides in the forest, the results showed that the control effects of 4 000 dilution of suspensions of 15% indoxacarb, 2 000 dilution of suspensions of 10% chlorfenapyr, 1 000 dilution of wettable powders of 16 000 UI/mg Bacillus thuringiensis, 5 000 dilution of 3.2% emamectin benzoate EC, 2 000 dilution of 40% phoxim EC and 1 000 dilution of 90% dipterex crystal reached 100% ,and the effect of 10 000 dilution of 2.8% avermectins EC was 84.48%.
