[目的]筛选不同助剂,确定水悬浮种衣剂的最佳配方。[方法]对润湿分散剂、增稠剂、成膜剂、防冻剂根据不同指标进行了筛选试验,并对各项指标进行分析检测。[结果]确立了5.5%功夫菊酯.戊唑醇悬浮种衣剂的最佳配方:功夫菊酯5%、戊唑醇0.5%、十二烷基硫酸钠3%、吐温20#1%、NNO 0.5%、黄原胶0.25%、聚乙烯醇4%、乙二醇4%、膨润土1%,用水补至100%。[结论]通过技术指标测定,该配方的各项指标均符合悬浮种衣剂的相关标准。 [Objective] To screen different additives and determine the best formula of water-suspended seed coating. [Method] The screening tests of wetting and dispersing agent, thickener, film former and antifreeze were carried out according to different indexes and the indexes were analyzed and tested. [Result] The optimal formula of pyrimetrethil 5%, tebuconazole 5%, tebuconazole 0.5%, sodium dodecyl sulfate 3%, Tween 20 # 1% 0.5% of NNO, 0.25% of xanthan gum, 4% of polyvinyl alcohol, 4% of ethylene glycol and 1% of bentonite. [Conclusion] According to the technical indexes, all the indexes of the formula were in accordance with the standards of suspended seed coating.