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首页> 外文会议>Proceedings of 4th international symposium on pesticides and environmental safety amp; 5th pan Pacific confernce on pesticide science amp; 8th international workshop on crop protection chemistry and regulatory harmonization >Action Mechanism of Isoxazoline-type Herbicides
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Action Mechanism of Isoxazoline-type Herbicides

机译：异恶唑啉类除草剂的作用机理

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@@ Two isoxazoline-type herbicides, pyroxasulfone and fenoxasulfone have been developed by Kumiai Chemical Industry Co.，Ltd.，K-I Chemical Research Institute Co.，Ltd. and Ihara Chemical Industry Co.，Ltd. The former is a novel pre-emergence herbicide for use in wheat, corn, soybean and other crops and the latter is a novel herbicide for paddy fields. These herbicides provide high efficacy on both grass and broadleaf weeds. In this study, we clarified the action mechanism of two isoxazoline-type herbicides as K3 herbicide by examining the inhibitory effects of these chemical compounds on the biosynthesis of very long chain fatty acids (VLCFAs) and VLCFA elongase (VLCFAE) activities of plants. In rice cultured cells treated with pyroxasulfone and barnyard millet cultured cells treated with fenoxasulfone, reduction of VLCFAs and accumulation of VLCFA precursors were observed. Pyroxasulfone and fenoxasulfone potently inhibited VLCFAE activities in Italian ryegrass and barnyard millet, respectively.
机译：@@ Kumiai Chemical Industry Co.，Ltd.，K-I Chemical Research Co.，Ltd。开发了两种异恶唑啉类除草剂，即吡ox砜和苯氧砜。和井原化学工业株式会社前者是用于小麦，玉米，大豆和其他农作物的新型出苗前除草剂，而后者是用于稻田的新型除草剂。这些除草剂对草和阔叶杂草均具有很高的功效。在这项研究中，我们通过研究这些化合物对植物超长链脂肪酸（VLCFAs）和VLCFA延长酶（VLCFAE）活性的抑制作用，阐明了两种异恶唑啉型除草剂作为K3除草剂的作用机理。在用吡咯烷砜处理过的水稻培养细胞和用非那沙丁砜处理过的bar培养细胞中，观察到VLCFA的减少和VLCFA前体的积累。在意大利黑麦草和bar中，吡as砜和苯氧砜砜分别有效抑制了VLCFAE的活性。

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