Investigation of resistant level to tribenuron-methyl, diversity and regional difference of the resistant mutations on acetolactate synthase (ALS) isozymes in Descurainia sophia L. from China.

Abstract excerpt

Descurainia sophia L. is one of the most notorious broadleaf weeds in winter wheat fields of China. In this study, 95 out of 163 (58.3%) D. sophia populations which were collected from provinces of Hebei, Shandong, Henan, Shanxi, Shaanxi and Jiangsu, have evolved resistance to tribenuron-methyl. The als1 and als2 were cloned in all test D. sophia populations, while als3 and als4 were identified only in some of...

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