序贯应用于控制小球藻的燃烬效果

IF 0.7 Q4 AGRICULTURAL ENGINEERING Journal of cotton science Pub Date : 2022-01-01 DOI:10.56454/niuu9765
Clay M. Perkins, T. Mueller, L. Steckel
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引用次数: 0

摘要

作为田纳西州棉花中的一种严重杂草害虫,Junglerice继续扩大其范围。草甘膦抗性和除草剂拮抗都被认为是控制不良的可能原因。在田纳西州,大约15%的丛林鼠种群被发现具有草甘膦抗性。此外,据报道,麦草畏与草甘膦和/或杀虫灵混合在一起可以减少丛林虫害的控制。由于糟糕的作物控制,开始清洁已经采取了额外的重要性,当试图控制丛林蔓延。因此,研究确定了最好的除草剂燃烧方法,分别是杀草畏、麦草畏、草铵膦、草甘膦或百草枯。单独使用百草枯或与草甘膦或杀虫灵混合使用的控制效果较差(< 50%)。同样,单独使用草甘膦或与草甘膦或氯虫啶混合使用的对照效果较差(< 35%)。麦草畏+草甘膦,草甘膦+杀虫灵,或百草枯+杀虫灵的施用对丛林虫害控制效果不佳。无论最初使用哪种除草剂,两周后后续使用草甘膦或草甘膦+氯噻虫胺对丛林毒的控制效果最佳。在田纳西州,建议在播种前14天施用草甘膦+噻虫胺,以控制丛林草、其他禾草和一些阔叶杂草,然后施用百草枯,以控制剩余的杂草种类。
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Efficacy of Burndown with Sequential Applications for Junglerice (Echinochloa colona) Control
Junglerice has continued to expand its range as a serious weed pest in Tennessee cotton. Both glyphosate resistance and herbicide antagonism have been documented as possible causes for poor control. Approximately 15% of junglerice populations in Tennessee have been found to be glyphosate resistant. In addition, dicamba tank mixtures with glyphosate and/or clethodim have been reported to reduce junglerice control. Due to poor in-crop control, starting clean has taken on added importance when trying to control junglerice. Therefore, research was conducted to determine the best herbicide burndown methods utilizing clethodim, dicamba, glufosinate, glyphosate, or paraquat. Paraquat alone or in tank-mixtures with glyphosate or clethodim provided poor control (< 50%). Likewise, glufosinate alone or in tank-mixture with glyphosate or clethodim provided poor control (< 35%). A dicamba + glyphosate, glufosinate + clethodim, or paraquat + clethodim application provided poor junglerice control. Regardless of which herbicides were initially applied, making a follow-up application of glyphosate or glyphosate + clethodim two weeks later provided optimal control of junglerice. In Tennessee, a glyphosate + clethodim application at 14 days before planting is recommended to control junglerice, other grasses and some broadleaf weeds, followed by paraquat at-planting to control remaining weed species.
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来源期刊
Journal of cotton science
Journal of cotton science AGRICULTURAL ENGINEERING-
CiteScore
0.90
自引率
20.00%
发文量
0
期刊介绍: The multidisciplinary, refereed journal contains articles that improve our understanding of cotton science. Publications may be compilations of original research, syntheses, reviews, or notes on original research or new techniques or equipment.
期刊最新文献
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