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马拉硫磷这种世界广泛使用的谷物防护剂,虽然我国早在60年代初期就对其进行了试验,证明它可以有效地防治储粮害虫,但是由于在药剂纯度和施药技术上还存在着一些问题,未能获得广泛应用,近年由于国内产品纯度和脱嗅问题的解决以及砻糠载体的采用,马拉硫磷已开始在全国范围内广泛使用。对于常见的主要种类储粮害虫,马拉硫磷的效果是良好的。但是对于危险性的害虫谷蠹则需要很高浓度才能有效。这种害虫如在四川省近年来由于多种原因,已由30多个县发展到100多个县,并且仍有蔓延趋势。为
Although malathion is a cereal protective agent widely used in the world, it has been tested in our country as early as the early 1960s and proved that it can effectively prevent and control grain-stored pests. However, due to its purity and application technology With some problems, it has not been widely used. In recent years, malathion has been widely used in the country due to the solution of domestic product purity and odor removal problems and the adoption of bran carrier. The effect of malathion is good for the common staple food grain pests. But for the dangerous pest grubs you need a very high concentration to be effective. Such pests have grown from more than 30 counties to more than 100 counties in Sichuan Province in recent years for various reasons and there is still a tendency to spread. for