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首页> 外文会议>STP 1470; Symposium on Pesticide Formulations and Delivery Systems, 25th volume: Advances in Crop Protection Technologies; 20041005-7; Washington,DC(US) >Influence of Clethodim Formulation and Oil Adjuvants on Weed Control and Overcoming Herbicide Antagonism
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Influence of Clethodim Formulation and Oil Adjuvants on Weed Control and Overcoming Herbicide Antagonism

机译：克雷索定制剂和油性佐剂对杂草控制和克服除草剂拮抗作用的影响

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摘要

Clethodim is a non-residual, foliar-applied herbicide that controls grass weeds in many major and minor crops in the United States. Grass control was evaluated in field trials conducted in 2003 and 2004 using commercial clethodim formulations of Select (240 g/L), Arrow (240 g/L), and Prism (113 g/L), and experimental clethodim formulations of V-10117 (226 g/L), V-10139 (192 g/L), and V10137 (113 g/L). Petroleum oil (PO) adjuvant was added to all clethodim treatments except V-10137. The V-10137 formulation of clethodim without petroleum oil (PO) adjuvant gave greater and faster grass control than other formulations of clethodim with PO. Adding PO adjuvant to V-10137 reduced activity except at reduced rates when additional PO or nonionic surfactant increased grass control. All clethodim formulations except Prism and V-10137 caused significant canola injury when applied at post-bolting. V-10137, without additional adjuvants, with less active ingredient concentration, and likely a higher adjuvant load has more grass activity at equivalent rates than other clethodim formulations with PO. Tribenuron applied with clethodim antagonized grass control from Select, Arrow, V-10117, and V-10139, but not V-10137. Grass control was reduced from 99% when clethodim formulations (except V-10137) were applied alone, to 50%-80% when applied with tribenuron. Grass control from V-10137 applied alone or with tribenuron, with or without PO, was greater than 96%. The K salt of glyphosate was antagonistic to Select and V-10137, but V-10137 overcame most of the antagonism. These results suggest V-10137 activity is greater than commercial clethodim formulations of Select or Arrow, may not require additional oil adjuvant for grass control, is effective with glyphosate, and can overcome tribenuron antagonism. Including an oil adjuvant with V-10137 may not increase grass control in some uses.
机译：Clethodim是一种非残留，叶面施用的除草剂，可控制美国许多主要和次要作物中的草杂草。在2003年和2004年进行的田间试验中，使用Select（240 g / L），Arrow（240 g / L）和Prism（113 g / L）的商业杀虫定制剂以及V-10117的实验杀虫定制剂对草皮控制进行了评估。 （226 g / L），V-10139（192 g / L）和V10137（113 g / L）。除V-10137外，将石油佐剂（PO）辅助剂添加到所有克雷替定治疗中。不含石油（PO）佐剂的克雷索定的V-10137配方比其他含PO的克雷索定的配方能更好地控制草。在V-10137中添加PO助剂会降低活性，但当额外的PO或非离子表面活性剂能增强草控制力时，活性会降低。除螺栓和V-10137外的所有克雷索坦制剂在螺栓后施用时均引起严重的油菜籽伤害。 V-10137，在没有其他佐剂的情况下，具有较低的活性成分浓度，并且可能以较高的佐剂负荷以同等速率比其他含PO的杀虫定制剂具有更高的草活性。 Tribenuron与克雷索定拮抗了Select，Arrow，V-10117和V-10139（而非V-10137）的草防治。防草剂从单独使用杀虫定制剂（V-10137除外）时的99％降低到与苯磺隆一起施用时的50％-80％。 V-10137单独或与苯磺隆一起使用或不与PO一起使用时，对草的控制大于96％。草甘膦的K盐对Select和V-10137具有拮抗作用，但V-10137克服了大部分拮抗作用。这些结果表明，V-10137的活性大于Select或Arrow的商业杀虫草制剂，可能不需要其他的油佐剂来控制草，对草甘膦是有效的，并且可以克服苯磺隆的拮抗作用。在某些用途中，将油性佐剂与V-10137一起使用可能不会增强除草效果。

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