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二代粘虫是辽宁西部朝阳地区谷类作物的主要害虫之一,尤其是麦田受害较大。近些年来,春小麦种植面积逐年扩大,二代粘虫的危害亦日益严重。为了保护小麦安全生长发育,及时防治,控制其为害,需对粘虫的防治指标进行研究。本工作于1991—1992年进行。1 麦田粘虫防治指标研究的处理选择面积较大,土地平整,能灌能排,肥力均匀的喀左县大城子及朝阳县大平房等地的春麦田进行试验研究。用人工剪掉小麦(铁
Second-generation armyworms are one of the major pests of cereal crops in the Chaoyang area of western Liaoning, especially wheat fields. In recent years, the area under cultivation of spring wheat has been expanding year by year, and the harms of the second generation armyworm have also become increasingly serious. In order to protect the safe growth and development of wheat, prevent and control it in time, it is necessary to study the control indicators of armyworm. This work was carried out in 1991-1992. 1 wheat field armyworm control indicators of the study to choose a larger area, the formation of the land, irrigation can row, uniform fertility Kazuyakou large Chaoyang County and large bungalows and other places of spring wheat field trials. Cut the wheat by hand (iron