灭多威(methomyl)属氨基甲酸酯类农药,兼具内吸,触杀和胃毒作用,自1990年批量投放市场以来,以其广谱、高效等特点,在华北棉区销量达500吨,深受各地棉农欢迎。全国植保总站在山东、河北、河南3省5个重点产棉县进行了大面积示范试验,试验区总面积达173.5亩。 供试药剂为1.20％灭多威乳油(山东济宁化工实验厂);2.40％久效磷乳油(青岛农 Methomyl is a carbamate pesticide with internal absorption, contact toxicity and stomach toxicity. Since it was put into the market in 1990, methomyl has sold over 500 tons of cotton in North China with its broad spectrum and high efficiency. Welcomed by cotton growers everywhere. The National Plant Protection Station conducted a large-scale demonstration test in 5 key cotton producing counties in Shandong, Hebei and Henan provinces, with a total area of ​​173.5 mu. Test agents for 1.20% Methomyl EC (Shandong Jining Chemical Experiment Factory); 2.40% monocrotophos (Qingdao Agricultural