A novel amino acid substitution Trp574Arg in acetolactate synthase (ALS) confers broad resistance to ALS-inhibiting herbicides in crabgrass (Digitaria sanguinalis)

文献类型： 外文期刊

第一作者： Li, Jian

作者： Li, Jian;Li, Mei;Gao, Xingxiang;Fang, Feng

作者机构：

关键词： Digitaria sanguinalis;nicosulfuron;acetolactate synthase (ALS);enzymatic activity assay;broad-spectrum resistance

期刊名称：PEST MANAGEMENT SCIENCE （ 影响因子：4.845； 五年影响因子：4.674 ）

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收录情况： SCI

摘要： BACKGROUNDCrabgrass (Digitaria sanguinalis) is an annual monocotyledonous weed. In recent years, field applications of nicosulfuron have been ineffective in controlling crabgrass populations in Shandong Province, China. To investigate the mechanisms of resistance to nicosulfuron in crabgrass populations, the acetolactate synthase (ALS) gene fragment covering known resistance-confering mutation sites was amplified and sequenced.

分类号： S4

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