江西省稻田稗草对丁草胺和二氯喹啉酸的抗药性测定  

Determination of Butachlor and Quinclorac Resistance of Barnyardgrass( Echinochloa crus- galli) in Paddy Fields of Jiangxi Province

作　　者：张纪利[1] 吴尚[1] 李保同[1] 石绪根[1] 汤丽梅[1] 

机构地区：[1]江西农业大学农学院,江西南昌330045

出　　处：《杂草科学》2015年第3期29-33,共5页Weed Science

基　　金：国家科技支撑计划(编号:2012BAD14B14)

摘　　要：利用盆钵法测定了江西省8个地区稻田稗草对丁草胺和二氯喹啉酸的抗药性。结果表明,江西省稻田稗草对丁草胺已经产生了不同程度的抗药性,其中恒湖农场的抗药性最高,2012-2013年的抗性指数在11~13之间,处于中等水平抗药性阶段;南昌市南昌县广福镇和朱港农场的抗性指数在6~9之间,处于低水平抗药性阶段;南昌市进贤县温圳镇、赣州市宁都县青塘镇和宜春市奉新县赤岸镇的抗性指数在3~4之间,处于敏感性下降阶段;而赣州市农业科学研究所和吉安市农业科学研究所的抗性指数均低于3,仍处于敏感阶段。总体而言,江西省8个地区稻田稗草对二氯喹啉酸的抗性指数均低于2,仍处于敏感阶段。The resistance of eight barnyardgrass（ Echinochloa crus- galli） biotypes from paddy fields in Jiangxi Province to butachlor and quinclorac was determined by pot bioassays. Levels of barnyardgrass resistance to butachlor differed among paddy fields of Jiangxi Province; a biotype from Henghu farm had the highest resistance index of 11 to 13 in 2012—2013. Biotypes from Guangfu town and Zhugang farm of Nanchang City had lower resistance levels with indexes ranging from 6 to 9. Biotypes from Wenzhen Town of Jinxian County,Qingtang Town of Ningdu County of Ganzhou City,and China Town of Fengxin County of Yichun City in Nanchang City had the lowest resistance levels with resistance indexes ranging from 3 to 4. Three sensitive biotypes were identified at agricultural science institutes of Ganzhou City and Jian. Coversely,the quinclorac resistance indexes of the biotypes from eight regions of Jiangxi Province were less than 2,therefore those biotypes remain susceptible to quinclorac.

关 键 词：江西省 稻田 稗草 丁草胺 二氯喹啉酸 抗药性 

分 类 号：S451[农业科学—植物保护]