40%甲胺吡乳油防治二化螟和三化螟试验

为了解40％甲胺吡乳油对信阳稻区二化螟和三化螟的防治效果．本试验采用40％甲胺吡乳油30ml／667m2、40ml／667m2、50ml／667m2、对照药剂选用50％甲胺磷乳油150ml/667m2和5％蚜虱净乳油100ml／667m2及清水对照，用工农－16型喷雾器各处理及对照667m2兑水50Kg常规喷雾。每个处理重复4次，每小区面积33．3m2，各处理区完全随机区组排列的试验方法，分别于喷施药剂3天、6天和10天采取平行跳跃式取样、每小区25丛进行调查。试验数据采用“DMRT”法进行显著性分析，经各处理多重比较后得知，防治水稻二化螟和三化螟选用40％甲胺吡乳油40ml／667m2常规喷雾既效果显著又经济合理。

Experiments Prevention and Control of Chilo suppressaliq and Tryporyza incertulas by way of Jiaanbi with Proportion of 40 Percent

In order to know the effect of the prevention and control of Chilo supp ressalia and Tryporyza incertulas by using Jiaanbi with the proportion of 40 percent,the authors of this paper have made expcriments with differentages of Jiaanbi and through many other ways. According to those experiment datas,which have been typically analysed and compared throngh the DMRT method,it is both effective and econmical to use Jiaanby with the proper proportion of 40 percentage to prerent and control chilo suppressalia and tryporyza incertulas.