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采用流点法、黏度曲线法确定润湿分散剂种类及用量,并通过筛选增稠剂、防冻剂等,确定25%吡唑·毒氟磷悬浮剂的最佳配方。其最佳配方组成为:5%吡唑醚菌酯、20%毒氟磷、3%7286、1.5%J601、1%1 1 06、0.2%黄原胶、1%硅酸镁铝、4%乙二醇、0.3%卡松、0.2%消泡剂1 860,水补足至1 00%。该制剂对黄瓜炭疽病防治效果良好,各项性能指标符合悬浮剂的相关标准,具有广阔的开发前景。
The flow point method and viscosity curve method were used to determine the type and amount of wetting and dispersing agent. The optimum formula of 25% pyrazole · toxic fluorine-phosphorus suspending agent was determined by screening thickeners and antifreeze. The best formulation is as follows: 5% Pyraclostrobin, 20% Trifluralin, 3% 7286, 1.5% J601, 1% 1 1 06, 0.2% xanthan gum, 1% Ethylene glycol, 0.3% Casson, 0.2% defoamer 1 860, water make up to 100%. The preparation has good cucumber anthracnose control effect, all the performance indexes are in accordance with the relevant standards of the suspending agent, and has broad development prospect.