30%螺虫乙酯·氟啶虫酰胺水悬浮剂的配方研制及药效评价  

Development and Evaluation on the Pesticide Effect of 30% ofSpirotetramat·Flonicamid Suspension Concentrate

作　　者：李登辉 赵强 聂运魏 耿彪 LI Denghui;ZHAO Qiang;NIE Yunwei;GENG Biao(Henan Hansi Crop Protection Co.,Ltd.,Shangqiu Henan 476000,China)

机构地区：[1]河南瀚斯作物保护有限公司,河南商丘476000

出　　处：《植物医学》2022年第1期77-83,共7页Plant Health and Medicine

摘　　要：为了有效防控苹果蚜虫等作物虫害,开展了30%螺虫乙酯·氟啶虫酰胺水悬浮剂的配方研制及药效评价研究.本研究采用湿法研磨工艺筛选出了适宜的润湿分散剂、结构稳定剂、防冻剂、消泡剂、增效剂等助剂种类及其用量,确定了30%螺虫乙酯·氟啶虫酰胺水悬浮剂产品的最佳配方,即螺虫乙酯20%,氟啶虫酰胺10%,EO/PO嵌段聚醚(500LQ)1%,多聚芳基醚硫酸酯(FD)3%,乙氧基多聚芳基酚磷酸酯铵盐(SC)2%,增效剂甲基化聚醚改性聚合物(Prime)5%,乙二醇5%,苯甲酸钠0.3%,消泡剂6300.5%,黄原胶0.15%,硅酸镁铝1%,去离子水补足.结果表明,该配方做出来的产品悬浮率大于90%,热贮14d后分解率小于3%,各项技术指标均符合水悬浮剂的指标要求.根据室外生测试验表明,对苹果蚜虫有较高的防治效果,1000倍液喷雾,药后15d防效98.02%,达到试验设计初衷.In order to effectively prevent and control the croppests such as apple aphids,the formulation and efficacy test of 30%spirotetramat·flonicamid SC.suspension concentrate(SC)were studied.The suitable wetting dispersant,structural stabilizer,antifreeze,foaming agent,and additives were selected by wet grinding process.The optimized formula of 30%spirotetramat·flonicamid SC was determined as 20%of spirotetramat,10%of flonicamid,1%of 500LQ,3%of FD,2%of SC,5%of Prime,5%of glycol,0.3%of sodium benzoate,0.5%of 630,0.15%of xanthan gum,1%of magnesium aluminum silicate,and supplement of deionized water.The results show that the suspension rate of the formula is more than 90%,and the decomposition rate is less than 3%after 14 d of thermal storage.All the technical indexes met the requirements of the water suspension agent.According to the outdoor bioassay test,According to the outdoor bioassay test,the control effect of 1000 time liquid spraying on apple aphids reached 98.02%15 days after spraying,which met the original intention of the experimental design.

关 键 词：螺虫乙酯 氟啶虫酰胺 水悬浮剂 配方 药效 

分 类 号：S482.3[农业科学—农药学]