摘要
为明确20%氰霜唑悬浮剂防治小白菜根肿病的防治效果及安全性,开展了1年3地的田间药效试验。试验结果表明,20%氰霜唑悬浮剂能有效防治小白菜根肿病,且对小白菜和环境有益生物安全,有效成分推荐使用剂量240~300 g/hm^(2)(制剂剂量80~100 mL/667m^(2)),于小白菜播种前拌细土撒施1次,出苗后按相同剂量根部喷淋施药2次,施药间隔5~7 d,用水量150~200 kg/667m^(2)。
To evaluate the efficacy and safety of cyazofamid 20%SC against clubroot disease(Plasmodiophora brassicae)in pak choi,a one-year field trial was conducted across three locations.The results demonstrated that cyazofamid 20%SC effectively controlled clubroot disease while exhibiting safety to pak choi and beneficial organisms in the environment.The recommended application dose is 240-300 g a.i./ha(equivalent to 80-100 mL/667m^(2)).The fungicide should be applied once by mixing with fine soil and broadcasting before sowing,followed by two additional root drenching applications at the same dose after seedling emergence,with an interval of 5-7 days between treatments,and the recommended water spray volume is 150-200 kg/667m^(2).
作者
陈秀
张颂函
张正炜
黄兰淇
侯影
曹俊丽
方朝阳
CHEN Xiu;ZHANG Songhan;ZHANG Zhengwei;HUANG Lanqi;HOU Ying;CAO Junli;FANG Zhaoyang(Agriculture Technology Extension Service Center of Shanghai,Shanghai 201103,China;Shanghai Institute for the Control of Agrochemicals,Shanghai 201103,China;Shanghai Yuelian Biotech Co.,Ltd.,Shanghai 201512,China;Shanghai Yuelian Chemical Co.,Ltd.,Shanghai 201416,China;Shanghai Songjiang District Xinbang Town Agricultrural and Rural Service Center,Shanghai 201600,China)
出处
《世界农药》
2025年第9期41-44,共4页
World Pesticide
基金
上海市特色小宗作物安全绿色用药技术研究与示范(项目编号:沪农科推字(2022)第2-4号)。
关键词
小白菜
根肿病
氰霜唑
防效
pak choi
clubroot disease
cyazofamid
control efficacy
