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介绍了30%毒死蜱·甲氨基阿维菌素苯甲酸盐水乳剂的配方筛选过程,简述了该剂型的特点和贮存稳定性,确定了配制方法和较佳配方组成。结果表明:选用丁基羟基茴香醚为甲氨基阿维菌素苯甲酸盐的稳定剂,十二烷基苯磺酸钙和三苯乙烯基苯酚聚氧乙烯醚磷酸酯盐2种乳化剂复合制备的30%毒死蜱·甲氨基阿维菌素苯甲酸盐水乳剂,产品质量稳定,热贮[(54±2)℃,14d]和常温贮存2年后,分解率小于5%,各项指标符合水乳剂的要求。田间药效表明对水稻二化螟、稻纵卷叶螟有较好的防治效果。
The screening process of 30% chlorpyrifos · emamectin benzoate aqueous emulsion was introduced. The characteristics and storage stability of the formulation were briefly described. The preparation methods and composition of the formulation were determined. The results showed that: the choice of butylated hydroxyanisole is a stabilizer of emamectin benzoate, calcium dodecylbenzenesulfonate and tristyrylphenol polyoxyethylene ether phosphate ester two kinds of emulsifier complex The prepared 30% chlorpyrifos · emamectin benzoate aqueous emulsion showed stable product quality, the thermal storage [(54 ± 2) ℃, 14d] and the decomposition rate of less than 5% Water emulsion requirements. Field efficacy showed that the rice stem borer, rice leaf roller has better control effect.