《早熟禾对精噁唑禾草灵耐药性的靶标酶机制研究（英文版）》.pdfVIP

Agricultural Science Technology, 2014, 15(9): 1457-1465 Copyright 訫 2014, lnformation lnstitute of HAAS. All rights reserved Molecular Biology and Tissue Culture Target-site Mechanisms lnvolved in Annual Bluegrass (Poa annua L.) Tolerance to Fenoxaprop-P-ethyl 1 2,3 4 4 1 2,3 鄢 Hongchun WANG , Jun Ll , Bo LU , Xudong ZHU , Yuanlai LOU , Liyao DONG 1. lnstitute of Plant Protection, Jiangsu Academy of Agricultural Science, Nanjing 210014, China; 2. College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; 3. Key Laboratory of lntegrated Management of Crop Diseases and Pests of Ministry of Education, Nanjing Agricultural University, Nanjing 210095, China; 4. College of Science, Nanjing Agricultural University, Nanjing 210095, China Abstract Annual bluegrass (Poa annua L.) was found to be tolerant to fenoxaprop- 早熟禾对精噁唑禾草灵耐药性 P-ethyl as well as quizalofop-P-ethyl, haloxyfop-R-methyl, clodinafop-propargyl, fluaz- 的靶标酶机制研究 ifop-P-butyl, cyhalofop-butyl, sethoxydim and tralkoxydim, whereas it was sensitive to ， clethodim and tepraloxydim. The acetyl-CoA carboxylase (ACCase) IC50 values of 王红春 1 ，李俊 2 3 ，吕波 4 ，朱旭东 4 ，娄远来 1 ，董 five P. annua biotypes were 10.46 to 11.98-fold higher than the susceptible ， 立尧 2 3* （1. 江苏省农业科学院植物保护研 Japanese foxtail (Alopecurus japonicus Steud.). The presence of the polymorphic lle and Leu at 1 781, which the presence of Leu at 1 781 had been reported to be in- 究所 ， 江苏南京 210014 ；2. 南京农业大学植 volved in the resistance of grass we