Resistance to HPPD-inhibiting herbicides in a population of waterhemp (Amaranthus tuberculatus) from Illinois, United States

被引:105
作者
Hausman, Nicholas E. [1 ]
Singh, Sukhvinder [1 ]
Tranel, Patrick J. [1 ]
Riechers, Dean E. [1 ]
Kaundun, Shiv S. [2 ]
Polge, Nicholas D. [3 ]
Thomas, David A. [4 ]
Hager, Aaron G. [1 ]
机构
[1] Univ Illinois, Dept Crop Sci, Urbana, IL 61801 USA
[2] Jealotts Hill Int Res Ctr, Bracknell, Berks, England
[3] Vero Beach Res Ctr, Vero Beach, FL USA
[4] Syngenta Crop Protect, Monticello, IL USA
关键词
waterhemp; Amaranthus tuberculatus; Amaranthus rudis; 4-hydroxyphenylpyruvate dioxygenase; herbicide resistance; herbicide synergism; RUDIS INTERFERENCE; MESOTRIONE; ATRAZINE;
D O I
10.1002/ps.2100
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
BACKGROUND:A population of waterhemp in a seed maize production field in central Illinois, United States, was not adequately controlled after post-emergence applications of herbicides that inhibit 4-hydroxyphenylpyruvate dioxygenase (HPPD). RESULTS: Progeny from the field population survived following treatment with mesotrione, tembotrione or topramezone applied to the foliage either alone or in combination with atrazine in greenhouse experiments. Dose response experiments indicated that the level of resistance to the HPPD inhibitor mesotrione is at least tenfold relative to sensitive biotypes. CONCLUSION: These studies confirm that waterhemp has evolved resistance to HPPD-inhibiting herbicides. (C) 2011 Society of Chemical Industry
引用
收藏
页码:258 / 261
页数:4
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