吉林省稻区稻稗、稻李氏禾的抗药性特征  

The resistance characteristics of Echinochloa oryzicola and Leersia orygoides in paddy fields of Jilin Province

作　　者：李俭[1] 李海粟[1] 陈凯[1] 张琳[1] 单国侠 吴明根[1] 

机构地区：[1]延边大学农学院,吉林延吉133002

出　　处：《延边大学农学学报》2015年第1期18-24,共7页Agricultural Science Journal of Yanbian University

基　　金：吉林省世行贷款农产品质量安全项目(J14)

摘　　要：针对吉林省主稻区的部分稻区化控难的稻稗和稻李氏禾进行五氟磺草胺和苄嘧磺隆抗性特征的鉴定。结果表明:吉林省稻区已存在对五氟磺草胺和苄嘧磺隆产生抗性的抗药突变型稻稗(Echinochloa oryzicola)和抗药性强的外来入侵杂草稻李氏禾[Leersia orygoides L.(SW)]。不同稻区间抗药特征、发生频度有差异,延边稻区、松原稻区发生多种抗药生态型稻稗,而且抗药突变型发生频度高;延边稻区、通化稻区发生抗药性强的外来入侵杂草稻李氏禾。For the rampant Echinochloa oryzicola and Leersia orygoides in some of main paddy fields of Jilin province, the identification of the resistance characteristics to Penoxsulam and Bensulfuron-methyl was carried out. The results showed that, in paddy fields of Jilin province, there had been the drug-resistant mutant Echinochloa oryzicola and strong resistant exotic weeds Leersia orygoides, both revealed the drug resistance to Penoxsulam and Bensulfuron. There are differences in resistant characteristics and occurrence frequency in different paddy fields. In the east part paddy fields including Yanbian and Songyuan, multiple resistant ecological Echinochloa oryzicola were found, with high frequency in drug-resistant mutation, in Yanbian and Tonghua paddy fields, the exotic weed Leersia orygoides with high drug resistance occurred.

关 键 词：稻区 稻稗 稻李氏禾 抗药性 特征 

分 类 号：S451.1[农业科学—植物保护]