论文部分内容阅读
据介绍,溴氰菊脂能防治菜青虫、小菜蛾、地老虎、斜纹夜蛾、菜蚜、蓟马、棉铃虫等多种害虫,具有用量少、效果好、残效期长、残留量极低、对人畜安全等优点。为了摸清这种药剂对本市蔬菜害虫的防治效果,我们在本所及长征公社进行了室内盆栽测定、小区及大田药效试验。一、试验方法以十字花科叶菜为主,在甘兰、花椰菜、青菜、大白菜、罗卜、芋艿、豇豆、黄瓜、芹菜等蔬菜上进行药效试验,面积162亩。防治对象有:小菜蛾、菜青虫、桃蚜、棉蚜、菜缢管蚜、小地老虎、斜纹夜蛾、棉红蜘蛛。参加试验的药剂有:溴氰除虫菊
According to reports, deltamethrin can prevent cabbage worm, diamondback moth, tiger, Spodoptera, aphid, thrips, cotton bollworm and other pests, with less dosage, good effect, long residual period, the residual amount of pole Low, the advantages of human security. In order to find out the effect of this agent on the prevention and control of vegetable pests in our city, we carried out indoor pot experiment, plot and field efficacy test in our institute and Long March Commune. First, the test method to cruciferous leafy vegetables, cabbage, cabbage, cabbage, carrot, taro, cowpea, cucumber, celery and other vegetables on the efficacy test, an area of 162 acres. Control objects are: diamondback moth, Pieris rapae, peach aphid, cotton aphid, aphid cabbage, small tiger, Spodoptera, cotton spider mite. Participate in the test of the drug are: Cybromide pyrethrum