11%砜嘧·精喹OD对烟草田杂草的防除效果及安全性评价  

Control Effect and Safety Evaluation of Rimsulfuron+Quizalofop-P-ethyl 11% OD on Weeds in Tobacco Field

作　　者：李秋梅 李树糁 李楚 杞国信 鲁志向 傅杨[1] LI Qiumei;LI Shushen;LI Chu;QI Guoxin;LU Zhixiang;FU Yang(College of Plant Protection,Yunnan Agriculture University,Kunming650201)

机构地区：[1]云南农业大学植物保护学院

出　　处：《现代农药》2020年第1期53-56,共4页MODERN AGROCHEMICALS

基　　金：农田杂草综合防控技术研究应用（KX132149)

摘　　要：分析了11%砜嘧·精喹可分散油悬浮剂(OD)对烟草田杂草的防除效果及安全性评价。结果表明,11%砜嘧·精喹OD对烟草田马唐、牛筋草、辣子草等一年生杂草均有防效,对烟草安全。施药剂量为60、99、132、198 g/hm^2,药后45 d的总草株防效为64.97%~99.15%,鲜重防效为72.42%~99.67%。从用药的经济性和安全性考虑,推荐11%砜嘧·精喹OD有效成分用量为99~132 g/hm^2。The control effect and safety evaluation of rimsulfuron+quizalofop-P-ethyl 11%OD on weeds in tobacco field were studied.The results showed that rimsulfuron+quizalofop-P-ethyl OD had anti-allergic effect on annual weeds such as tobacco terracotta,tendon grass,and hot pepper,and it is safe for tobacco.The spraying dose of 60,99,132,198 g/hm^2 of 11%rimsulfuron+quizalofop-P-ethyl OD,the total grass plant control effect after 45 days of spraying was 64.97%-99.15%,The fresh weight control effect after 45 days of spraying was 72.42%-99.67%.Considering the economic and safety of the pesticide application,it is recommended to use 11%rimsulfuron+quizalofop-P-ethyl OD 99.0-132.0 g/hm^2.

关 键 词：砜嘧磺隆 精喹禾灵 烟草田 杂草 防效 

分 类 号：S482.4[农业科学—农药学]