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    • 5. 发明申请
    • HERBICIDAL COMPOSITION COMPRISING POLYMERIC MICROPARTICLES CONTAINING A HERBICIDE
    • 包含除草剂的聚合微生物的除草组合物
    • WO2013034513A2
    • 2013-03-14
    • PCT/EP2012/067072
    • 2012-09-03
    • SYNGENTA LIMITEDFORMSTONE, Carl AndrewDE HEER, Martine IngridTAYLOR, PhilipHASELDINE, Sian Janet
    • FORMSTONE, Carl AndrewDE HEER, Martine IngridTAYLOR, PhilipHASELDINE, Sian Janet
    • A01N25/28A01N43/90A01N37/40A01N39/04A01N47/36
    • A01N25/10A01N25/04A01N25/28A01N37/40A01N43/90A01N2300/00A01N39/04
    • The invention provides a berbicidal composition comprising a mixture of: (a) polymeric microparticles containing a first herbicide, wherein the first herbicide is a synthetic auxin herbicide (e.g. dicamba, MCPA or 2,4-D) or an acetolactate synthase (ALS) inhibitor herbicide(e.g. triasulfuron, tribenuron-methyl, iodosulfuron-methyl, mesosulfuron-methyl, sulfosulfuron, flupyrsulfuron-methyl, or pyroxsulam); wherein the first herbicide, when in a salt-free form and when not contained within polymeric microparticles, antagonises the herbicidal activity of pinoxaden; and (b) pinoxaden; wherein the polymeric microparticles are controlled-release matrices, within which is the first herbicide, and which function in such a way as to control and/or slow down the release of the first herbicide from the polymeric microparticles into a liquid (e.g. aqueous) medium when the polymeric microparticles are placed (e.g. dispersed) in and in contact with the liquid medium. The containing of the first herbicide within the controlled-release polymeric microparticles is thought to mitigate the antagonism of the grass-weed-herbicidal activity of pinoxaden which might otherwise be caused by the first herbicide depending on the circumstances. The invention also provides a method of reducing the antagonistic effect on the control of monocotyledonous weeds in non-oat cereals which is shown by a herbicidal mixture of either a synthetic auxin herbicide with pinoxadenor an ALS inhibitor herbicide with pinoxaden, which comprises applying a herbicidal compositionaccording to the invention. The invention also provides a herbicidal compositon comprising (a) polymeric microparticles (e.g. controlled-release matrices), containing a first herbicide as defined above, and either (x) a nonionic surfactant or (y) a surface-modified clay, as defined herein.
    • 本发明提供一种除草组合物,其包含以下混合物:(a)含有第一除草剂的聚合物微粒,其中第一除草剂是合成的生长素除草剂(例如麦草畏,MCPA或2,4-D)或乙酰乳酸合酶(ALS)抑制剂 除草剂(例如三磺嘧磺隆,三甲苯隆 - 甲基,碘甲磺隆,甲磺隆,磺磺隆,氟吡磺隆 - 甲基或pyroxsulam); 其中所述第一种除草剂当以无盐形式并且当不包含在聚合物微粒内时拮抗所述除草活性; 和(b)pinoxaden; 其中所述聚合物微粒是控制释放基质,其中是第一除草剂,并且其作用是控制和/或减缓第一除草剂从聚合物微粒释放到液体(例如水性)介质中 当聚合物微粒被放置(例如分散)在液体介质中并与液体介质接触时。 被认为可以控制释放的聚合物微粒中的第一种除草剂的含量减轻了除了根据具体情况另外可能由第一种除草剂引起的恶唑草的草除草活性的拮抗作用。 本发明还提供了减少对非燕麦谷物中单子叶杂草的控制的拮抗作用的方法,该方法由合成的生长素除草剂与磷酸脱氢酶与ALS抑制剂除草剂与哌嗪的除草混合物显示,其包括施用除草组合物 涉及本发明。 本发明还提供一种除草组合物,其包含(a)含有如上定义的第一除草剂的聚合物微粒(例如控释基质)和(x)非离子表面活性剂或(y)如本文所定义的表面改性粘土 。