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
作者： Li, Jian 1 ; Li, Mei 1 ; Gao, Xingxiang 1 ; Fang, Feng 1 ;
作者机构： 1.Shandong Acad Agr Sci, Inst Plant Protect, Weed Sci Dept, 202 Gongye North Rd, Jinan 250100, Peoples R China
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.
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