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首页> 外文期刊>Weed technology >Velvetleaf (Abutilon theophrasti) and Sugarbeet (Beta vulgaris) Response to Triflusulfuron and Desmedipham Plus Phenmedipham
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Velvetleaf (Abutilon theophrasti) and Sugarbeet (Beta vulgaris) Response to Triflusulfuron and Desmedipham Plus Phenmedipham

机译：Velvetleaf（Abutilon theophrasti）和Sugarbeet（Beta vulgaris）对Triflusulfuron和Desmedipham Plus Phenmedipham的反应

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摘要

Velvetleaf control and sugarbeet response to POST triflusulfuron applied alone and in combination with desmedipham plus phenmedipham, nonionic surfactant, and urea ammonium nitrate (50:50) were evaluated in the greenhouse (velvetleaf only) and field. In a second field, study, the effect of POST applications of triflusulfuron, desmedipham plus phenmedipham, ethofumesate, endothall, or combinations of these herbicides on sugarbeet root yield and quality was determined in the absence of weeds. Triflusulfuron controlled velvetleaf only when nonionic surfactant (NIS) was added to the spray solution. Desmedipham plus phenmedipham plus triflusulfuron gave greater velvetleaf control than triflusulfuron in the absence of NIS in the field. However, adding desmedipham plus phenmedipham to triflusulfuron plus NIS decreased velvetleaf control in the greenhouse. Adding desmedipham plus phenmedipham to triflusulfuron plus NIS increased visible sugarbeet response compared to triflusulfuron plus nonionic surfactant or desmedipham plus phenmedipham 14 d after the last POST application in 1994. In the absence of weeds, POST herbicide applications that included triflusulfuron did not reduce sugarbeet root yield more than other POST herbicides.
机译：在温室（仅velvetleaf）和田间评估了Velvetleaf的防治效果和甜菜对POST三氟磺隆单独施用以及与地塞米德加苯乙哌啶，非离子表面活性剂和硝酸尿素硝酸铵（50:50）联合应用的反应。在第二个领域的研究中，在没有杂草的情况下，确定了POST施用三氟磺隆，地西地平加苯甲地平，乙草胺酸盐，内皮索尔或这些除草剂的组合对甜菜根系产量和品质的影响。仅当将非离子表面活性剂（NIS）添加到喷雾溶液中时，三氟磺隆才可以控制绒毛。在田间不存在NIS的情况下，Desmedipham加上phenmedipham加上triflusulfuron可以提供比triflusulfuron更好的草皮控制。但是，在三氟磺隆加NIS中加入地塞米德加苯甲地普姆会降低温室中丝绒的控制力。与三氟磺隆加非离子表面活性剂或desmedipham加苯咪地平相比，在1994年最后一次POST施用后14天，向三氟磺隆加NIS中添加地塞米定和苯甲地平增加了可见的甜菜响应。在没有杂草的情况下，包括三氟磺隆的POST除草剂施用不会降低甜菜根的产量比其他POST除草剂要多。

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