2种药剂对春油菜苗期主要害虫的防效比较
Biological Disaster Science(2013)
Abstract
油菜是临夏州最重要的经济作物,受多种害虫危害,尤其是苗期(子叶~7叶)。本实验在2012年设在甘肃临夏州和政县,选用2种药剂(毒死蜱与辛硫磷)来防治春油菜苗期主要害虫油菜跳蚤甲(Psylliodes punctifrons Baly)。比较了2种农药及2种施药方法对害虫防效的差异,分析防效与产量之间的线性相关性,并从中选择出适宜保苗、保产的农药。对春油菜苗期害虫防治提出了建议,为临夏州春油菜区害虫综合防治提供了一定的理论支撑。
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Key words
pest control,yield,Psylliodes punctifrons Baly,spring-sowing rape
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