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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。
Spraying waxy corn, carried out six kinds of pesticide sprinkler “4 axillary 1 top ” field corn borer control waxy corn field experiment, the results show that sprinkling of 25 g / L spinosad suspension 800 times, 2.2% emamectin benzoate microemulsion 1500 times, 1.8% avermectin EC 1500 times, 46% kill single. Suspension WP 600 times and 15% indoxacarb Wei suspension agent 2000 times, the ear damage rate was controlled at 3%, the control effect of more than 95%. It is recommended that these agents be used preferentially for the prevention and control of corn borer in waxy corn fields.