6.5%姜黄根茎提取物乳油防治黄瓜霜霉病田间药效试验评价  

Field control efficacy of turmeric rhizome extract 6.5%EC against cucumber downy mildew

作　　者：张严心 方朝阳 高永东[5] 黄兰淇[5] 陈秀[5] 张颂函 代光辉[1,2,3] ZHANG Yanxin;FANG Zhaoyang;GAO Yongdong;HUANG Lanqi;CHEN Xiu;ZHANG Songhan;DAI Guanghui(Plant Health and Natural Products Lab.,School of Agriculture and Biology,Shanghai Jiao Tong University,Shanghai 200240,China;Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station,Shanghai 200240,China;Shanghai Urban Forest Ecosystem Research Station,National Forestry and Grassland Administration,Shanghai 200240,China;Shanghai Songjiang District Xinbang Town Agricultural and Rural Service Center,Shanghai 201605,China;Agriculture Technology Extension Service Center of Shanghai,Shanghai 201103,China)

机构地区：[1]上海交通大学农业与生物学院植物健康与天然产物实验室,上海200240 [2]上海长三角生态环境变化与治理观测研究站,上海200240 [3]国家林业和草原局上海城市森林生态系统研究站,上海200240 [4]上海市松江区新浜镇农业农村服务中心,上海201605 [5]上海市农业技术推广服务中心,上海201103

出　　处：《农药》2024年第7期536-539,共4页Agrochemicals

基　　金：上海市科技兴农项目(2022-02-08-00-12-F01090)。

摘　　要：[目的]黄瓜霜霉病是黄瓜生产中的常见病害,测定植物源新农药6.5%姜黄根茎提取物乳油对黄瓜霜霉病的田间药效。[方法]以化学合成农药687.5 g/L氟菌·霜霉威悬浮剂为对照药剂,2022、2023年连续2年在上海市松江区开展田间小区药效试验。[结果]2022年试验第3次用药后7 d供试药剂34.125、24.375 g a.i./hm2处理组防治效果分别为76.20%和72.06%,该效果与对照药剂687.5 g/L氟菌·霜霉威悬浮剂没有显著差异。2023年试验第3次用药后7 d供试药剂34.125、24.375 g a.i./hm2处理组防治效果分别为80.33%和75.03%,34.125 g a.i./hm2处理防效显著高于对照药剂。[结论]6.5%姜黄根茎提取物乳油对黄瓜霜霉病防治效果比较显著,是具有潜力的植物源新农药。[Aims]Cucumber downy mildew(Pseudoperonospora cubensis)is a common disease in cucumber production.This study aims to test the field efficacy of a new plant-derived pesticide,turmeric rhizome extract 6.5%EC,to control downy mildew in cucumber.[Methods]The chemically synthesized pesticide fluopicolide·propamocarb 687.5 g/L SC was used as a standard product control,and field efficacy trials were carried out in Songjiang District,Shanghai,China,for two consecutive years in 2022 and 2023.[Results]In 2022,the control efficacy of 34.125 and 24.375 g a.i./ha treatment groups was 76.20%and 72.06%,respectively,which was not significantly different from that of the standard product control.In 2023,the control efficacy of the 34.125 and 24.375 g a.i./ha treatment groups was 80.33%and 75.03%,respectively.The control efficacy of 34.125 g a.i./ha treatment was significantly higher than that of the standard product control.[Conclusions]Turmeric rhizome extract 6.5%EC is effective in the control of cucumber downy mildew and is a potential new plant-derived pesticide.

关 键 词：姜黄根茎提取物乳油 黄瓜霜霉病 田间药效 

分 类 号：S482.2[农业科学—农药学]