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一、杀虫剂的特点 1.发展迅速,品种多,使用范围广 杀虫剂发展速度快,自从六六六有机氯农药出现后,短短的几十年,杀虫剂已发展到近600多种,我国常用杀虫剂有400多种。在老品种的基础上还不断出现新品种,如近年兴起来的久效磷,氧化乐果、辛硫磷、甲胺磷、甲基异柳磷、敌杀死、氯氰菊酯、呋哺丹、吡虫啉等。在单剂农药的基础上又形成许多复配品种,如灭抗灵、病虫灵、田老大1号,田老大2号、快丰3号、快丰7号、快奉5号等品种。害虫一旦对老品种产生抗性,就有许多新品种产生。杀虫剂不断补充、取代,有效地用于消灭农作物、果树、林木、蔬菜、牧草等虫害。
First, the characteristics of pesticides 1. Rapid development, variety, use a wide range of insecticide development, since the six six six organochlorine pesticides appear, just a few decades, pesticides have grown to nearly 600 A variety of insecticides commonly used in our country more than 400 kinds. On the basis of the old varieties, new varieties are emerging constantly. For example, monocrotophos, omethoate, phoxim, methamidophos, methyl isofenphos, the enemy killed, cypermethrin, furosemide, imidacloprid Wait. On the basis of a single dose of pesticides and formed a number of complex varieties, such as the anti-Ling, Pest Control, Tianlao Dai No. 1, Tianlao Dai 2, fast Feng 3, fast Feng 7, fast Feng 5 and other varieties. Once the pest has become resistant to the old breed, there are many new breeds. Pesticides are continuously replenished, replaced, and effectively used to eliminate pests such as crops, fruit trees, trees, vegetables, pastures and the like.