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首页> 外文期刊>Weed technology >Ethametsulfuron Interactions with Grass Herbicides on Canola (Brassica napus, B. rapa)
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Ethametsulfuron Interactions with Grass Herbicides on Canola (Brassica napus, B. rapa)

机译：Ethametsulfuron与除草剂在菜籽油上的相互作用（甘蓝型油菜，B。rapa）

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摘要

Field experiments were conducted from 1986 to 1988 at Lacombe and Lethbridge, Alberta and Scott, Saskatchewan to determine growth and yield response of canola to mixtures of ethametsulfuron with specific grass herbicides. Ethametsulfuron did not usually cause canola injury when mixed with sethoxydim. However, ethametsulfuron mixtures with the following grass herbicides listed in decreasing order of injury potential, often caused canola injury and yield loss: haloxyfop > fluazifop > fluazifop-P > quizalofop > quizalofop-P. Canola yield losses were severe in some experiments, ranging from 59% with quizalofop mixtures to 97% with haloxyfop mixtures; in other experiments, the same mixtures did not cause significant yield losses. 'Tobin,' a Brassica rapa cultivar, tended to be more susceptible to injury than the B. napus cultivars 'Pivot' and 'Westar.' Canola injury symptoms were consistent with those expected from sulfonylurea herbicides. Therefore, we suggest that specific grass herbicides differentially impair the ability of canola to metabolize ethametsulfuron to inactive forms.
机译：1986年至1988年在Lacombe和Lethbridge，Alberta和Saskatchewan进行了田间试验，以确定油菜籽对乙胺嘧磺隆与特定除草剂混合物的生长和产量响应。乙胺嘧磺隆与草胺定混合使用通常不会引起双低油菜籽的伤害。但是，乙胺嘧磺隆与以下草类除草剂的混合物以潜在的伤害降序排列，经常造成油菜籽油的伤害和产量损失：氟虫草>氟他莫普>氟他莫普-P> quizalofop> quizalofop-P。在某些实验中，双低油菜籽的产量损失非常严重，从使用quizalofop混合物的59％到使用haloxyfop混合物的97％的不等。在其他实验中，相同的混合物不会造成明显的产量损失。甘蓝型油菜品种“ Tobin”比甘蓝型油菜品种“ Pivot”和“ Westar”更容易受到伤害。双低油菜籽的伤害症状与磺酰脲类除草剂的预期症状一致。因此，我们建议特定的草类除草剂有区别地损害油菜籽将乙胺嘧磺隆代谢成非活性形式的能力。

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