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杀虫剂防治糯玉米田玉米螟效果
Efficiency Evaluation of Some Pesticides on Corn Borer in Waxy Corn Field
【摘要】 在糯玉米吐丝期,开展了6种药剂喷灌"4腋1顶"防治糯玉米田玉米螟的田间药效试验,结果表明,喷灌25 g/L多杀菌素悬浮剂800倍液、2.2%甲氨基阿维菌素苯甲酸盐微乳剂1 500倍液、1.8%阿维菌素乳油1 500倍液、46%杀单.苏云菌可湿性粉剂600倍液和15%茚虫威悬浮剂2 000倍液,雌穗被害率均被控制在3%以下,防治效果达95%以上。建议生产上优先选用这些药剂用于糯玉米田玉米螟的防治。
【Abstract】 The experiment explored the efficiency of six pesticides for corn borer in waxy corn field at silking stage by adopting the sprinkling irrigation method.The results showed that: the percentage of damaged female ear applied with 25 g/L spinosad SC 800 times diluted,2.2% emamectin benzoate ME 1 500 times diluted,1.8% avermectin EC 1 500 times diluted,46% monosultap · Bt WP 600 times diluted and 15% indoxacarb SC 2 000 times diluted were lower than 3%,and the control effect was over 95%.The six pesticides were recommended for corn borer control in waxy corn field.
【Key words】 waxy corn; silking stage; Ostrinia furnacalis; pesticide control;
- 【文献出处】 山西农业科学 ,Journal of Shanxi Agricultural Sciences , 编辑部邮箱 ,2011年10期
- 【分类号】S435.132
- 【被引频次】5
- 【下载频次】129