利用粘虫喜欢在枯黄叶片上产卵的习性,3—4月份在夏熟作物田间插新鲜稻草把诱卵,可以有效地降低麦田虫口密度,减轻药剂防治压力。多年来,我社插草把的形式都是伞形悬挂式,即草把梢子朝下扎在棍子上,插入田间。根据外地经验介绍,草把梢子 Using the habit of the armyworm to like to lay eggs on the yellow leaves, 3-4 months of planting fresh straw in the field of summer crops to induce eggs can effectively reduce the insect population density and reduce the pressure on the prevention and treatment of pesticides. Over the years, our community has adopted an umbrella-shaped hanging suspension, that is, the grass sticks its head down on a stick and inserts it into the field. According to field experience, grass shoots