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土壤害虫是一种世界性虫害,它潜伏于土壤,不易发现,为害期长,较难防治,直接影响作物产量和质量,因此引起各国的普遍重视。本文就国外土壤害虫的药剂防治情况作一简要介绍,由于水平有限,难免挂一漏万,仅供参考。一、药剂防治的一般情况有机氯农药六六六、滴滴涕问世之前,对土壤害虫没有很好的防治办法,只好采用农作物轮作来尽可能的降低为害。自从人们发现六六六、滴滴涕的杀虫作用之后,从五十年代起就开始用来防治土壤害虫,但这类药剂易发生药害,并且有药效慢之弱点。1955年起一些国家开始使用艾氏剂、七氯以及其它有机多氯药剂,由于他们药效高,残效长,因此,直到1970年仍作为专治土壤害虫的稳定药剂。近年来,随着农药“公害”问题的出现,许多国
Soil pest is a worldwide pest, which lurks in the soil and is not easy to be found. It takes a long time to harming and is hard to control. It directly affects crop yield and quality, and therefore attracts universal attention. This article gives a brief introduction of the pesticide treatment of soil pests in foreign countries. Due to the limited level, it is inevitable that it will be used for reference only. First, the general situation of chemical control Organochlorine pesticides BHC, DDT before the advent of soil pests there is no very good control measures, had to use crop rotation to minimize damage. Since the discovery of 666 and DDT insecticides, people have started to control soil-based pests since the 1950s. However, such agents are prone to phytotoxicity and have the weakness of slow efficacy. Since 1955, some countries started to use aldrin, heptachlor and other organochlorine pesticides. As of 1970, they remained stable agents for soil pests until 1970 because of their high potency and long residual efficacy. In recent years, with the emergence of pesticide “pollution” problem, many countries