蒿属植物对除草剂代谢抗性分析

Y.V. Lykholat , I.P. Grigoryuk , N.O. Khromykh , L.V. Shupranova , V.V. Sudak
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引用次数: 1

摘要

通过田间和温室试验,研究了不同作用方式的除草剂对豚草普通种群的作用和后效。在豚草幼体叶片和种子中均检测到除草剂哈兰和Guardian-Tetra对谷胱甘肽s -转移酶的激活作用,这表明除草剂在杂草发生过程中具有强烈的解毒作用。电泳分析表明,豚草种子蛋白质光谱中的4种成分仅存在于除草剂处理植物的种子中。利用等电聚焦的方法,在下一代植株的叶片中发现了三个特异性的过氧化物酶同工型,它们对亲本植物具有一定的除草作用机制。结果表明,蒿属植物对不同除草剂作用方式的代谢抗性具有强烈的适应性变化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of the metabolic resistance of Ambrosia artemisiifolia L. to the herbicides action

Action and aftereffect of the herbicides with different modes of action on the common ragweed population were studied in the field and greenhouse experiments. Activation of glutathione S-transferase has been detected due to the action of herbicides Harness and Guardian-Tetra both in leaves of juvenile plants and in ragweed seeds, which indicates intensive detoxification of herbicides during weed ontogenesis. Electrophoretic analysis showed that four components in protein spectra of ragweed seeds were inherent in seeds collected from herbicides-treated plants only. Using the method of isoelectric focusing, three specific peroxidase isoforms associated with a certain mechanism of herbicidal action on the parent plants were found in leaves of the next generation plants. The results confirm the intensive adaptive changes in A. artemisiifolia population that could provide the metabolic resistance to different modes of the herbicide action.

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