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去年进口的丹麦“1605”乳剂(或称可混合油剂),由于包装不良和药液粘度及色泽同过去几年来国内各地所使用的“1605”乳剂不一样,以及药液本身存在某些缺点,虽然,有效成分的含量比过去使用的还稍微高些,但是,一年来各省区对这种药剂纷纷反映药效不良或治虫失效,甚至在有些地区不愿继续使用。据有些试用报导,如河北辛集农业社去年用15,000倍稀释液治,杀虫率仅70%;江苏盐城县农业社应用4,000倍稀释液防治稻螟毫无效果,应用2,400倍
Last year imported Danish “1605” emulsion (or miscible oil), due to poor packaging and liquid viscosity and color of the past few years with the domestic use of “1605 ” emulsion is different, and the liquid itself There are some shortcomings. Although the content of active ingredients is slightly higher than the ones used in the past, the provinces and autonomous regions all over the past year have reported ineffective drugs or insecticides and even reluctance to continue to use them in some areas. According to some trial reports, such as Hebei Xinji agricultural cooperatives last year with 15,000 times diluted solution, the insecticidal rate was only 70%; Jiangsu Yancheng County Agricultural Society 4,000 times the dilution of the control of rice stem borer no effect, the application of 2,400 times