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在防治农林植物害虫中,需要使用各种化学农药,而用化学农药防治害虫,不同的施用方法往往会带来不同的防治效果。俗话说,治虫用药,如同用兵除暴,以用兵之道启示人们科学使用化学农药,从而充分发挥化学农药在综合防治中的作用。“知己知彼,百战不殆”。害虫是多种多样的,比如说棉花害虫据统计多达850多种,这些害虫各有各的生活习性和发生发展规律。比如说棉铃虫的产卵在棉株上的分布呈现一定
In the control of pests of agricultural and forestry plants, the need to use a variety of chemical pesticides, chemical pests and pesticides used to control pests, different methods of application often bring different control effect. As the saying goes, pest control drugs, as the use of soldiers in addition to violence, to enlighten people to use scientific methods of chemical pesticides, chemical pesticides to give full play to the role of comprehensive prevention and control. “Know thyself, know yourself”. Pests are varied, for example cotton pests are counted up to more than 850 kinds of statistics, these pests have their own habits of life and the occurrence of the law of development. For example, the distribution of cotton bollworm in cotton plants showed a certain