河南省不同地区节节麦对甲基二磺隆的敏感性  

Mesosulfuron susceptibility of Aegilops tauschii in different populations of Henan Province

作　　者：张百重[1] 谢兰芬[1] 李广领[1] 李鹏[1] 王建华[1] 朱明涛 ZHANG Baizhongl XIE Lanfen LI Guangling LI Peng WANG Jianhua ZHU Mingtao(Henan Postdoctoral Research Base,School of Resources and Environmental Sciences,Henan Institute of Science and Technology,Xinxiang 453003,China Henan Postdoctoral Research Base, School of Food and Bioengineering,Xuchang University,Xuchang 461000,C hina)

机构地区：[1]河南科技学院资源与环境学院河南省博士后研发基地,河南新乡453003 [2]许昌学院食品与生物工程学院河南省博士后研发基地,河南许昌461000

出　　处：《河南科技学院学报（自然科学版）》2017年第5期37-40,共4页Journal of Henan Institute of Science and Technology(Natural Science Edition)

基　　金：农业行业专项(162102110018);河南科技学院重点项目(14QN024);河南科技学院高层次人才引进启动项目(208010616003)

摘　　要：为探讨节节麦(Aegilops tauschii)对甲基二磺隆的抗性,测定了甲基二磺隆对河南省10个地区节节麦株高和根长的抑制效应.结果表明:从节节麦株高看,对甲基二磺最不敏感的获嘉(新乡)节节麦种群是最敏感的虞城(商丘)节节麦种群的4.418倍,其IC50分别为45.549 g/hm^2和10.310 g/hm^2(按有效成分计).而从节节麦的根长看,对甲基二磺最不敏感的温县(焦作)节节麦种群是最敏感的遂平(驻马店)节节麦种群的19.373倍,其IC50分别为489.817 g/hm^2和25.283 g/hm^2,节节麦茎和根对甲基二磺隆的敏感度存在不一致性,茎比根表现更为敏感.但这均表明这些地区的节节麦对甲基二磺隆产生了不同程度的抗性.To explore the level of resistance of Aegilops tauschii to mesosulfuron,susceptibility of 10 populations of A.tauschii from Henan province to mesosulfuron was determined.The results through the method of whole plant experiment indicated the stalk in Huojia（Xinxiang） was the least susceptible while the stalk in Yucheng（Shangqiu）was the most susceptible.The IC_（50） of them was 45.549 and 10.310 g/hm^2 respectively,and the ratio of them was 4.418 times.However the root in Wenxian（Jiaozuo） was the least susceptible while the root in Suiping（Zhumadian） was the most susceptible.The IC_（50） of them was 489.817 and 25.283 g/hm^2,respectively,and the ratio of them was 19.373 times.Susceptibility of the stalk and root to mesosulfuron was inconsistent,and stalk was more susceptible than root.But it showed that A.tauschii of these regions has developed different levels of resistance to mesosulfuron,this provides theoretical foundation and basis for mechanism of resistance of A.tauschii to herbicides.

关 键 词：节节麦 敏感度 除草剂 甲基二磺隆. 

分 类 号：S451.221[农业科学—植物保护]