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本研究通过对填料、分散剂、润湿剂、渗透剂、黏结剂等主要助剂的系统筛选,最后确定60%肟菌酯.己唑醇水分散粒剂配方筛选组成,优选配方为肟菌酯含量为20%,己唑醇40%,Morwet IP 3%,分散剂NNO 4%,丁基萘磺酸钠3%,聚乙烯醇0.8%,其余用玉米淀粉补足。根据上述配方加工成60%肟菌酯.己唑醇水分散粒剂,悬浮率在80%以上,质量稳定,分解率低,对水稻纹枯病具有良好的防治效果。
In this study, the screening of the main additives such as fillers, dispersants, wetting agents, penetrants, binders and so on, and finally screening 60% trifloxystrobin hexaconazole water dispersible granule formulation selection, the preferred formula is oxime Ester content 20%, hexaconazole 40%, Morwet IP 3%, dispersant NNO 4%, 3% sodium butylnaphthalene sulfonate, polyvinyl alcohol 0.8%, the rest supplemented with corn starch. According to the above formula processed into 60% trifloxystrobin hexaconazole water dispersible granules, the suspension rate of more than 80%, the quality is stable, the decomposition rate is low, has a good control effect on rice sheath blight.