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水稻重大害虫稻飞虱繁殖倍数高,暴发性强、危害周期长,要求防治药剂防效好持效长,目前常用的扑虱灵、吡虫啉较好地满足了这些要求。因此要想推出一种新药很不容易。广德县植保站在对阿克泰25%WG进行试验后认为,这个新品种优点明显,市场前景看好。阿克泰2克/666.7m~2对水30公斤喷雾,药后1天、3天、7天的校正防效分别为48.97%、84.76%、92.81%,药后35天仍达81.82%。对主要捕食性天敌蜘蛛数量的调查显示,药后1天对照药剂甲胺磷100克
The major pests of rice planthopper breeding multiples of high, fulminant strong, long-lasting harm, requiring good prevention and control agents to maintain effective long-acting, currently used buprofezin, imidacloprid to better meet these requirements. So to launch a new drug is not easy. Guangde County Plant Protection Station 25% WG in Arkeche after the trial that the advantages of this new variety obvious advantages of the market. A Ketai 2 g / 666.7m ~ 2 30 kg spray on water, 1 day after the drug, 3 days, 7 days correctional control effect was 48.97%, 84.76%, 92.81%, 35 days after treatment still reached 81.82%. A survey of the number of major predators of spiders showed that 100 mg of methamidophos