Response of Rice to Drift Rates of Glyphosate Applied at Low Carrier Volumes

Justin B. Hensley; Eric P. Webster; David C. BlouinDustin L. HarrellJason A. Bond

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Response of Rice to Drift Rates of Glyphosate Applied at Low Carrier Volumes

机译：Response of Rice to Drift Rates of Glyphosate Applied at Low Carrier Volumes

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Field studies were conducted near Crowley, LA in 2005 through 2007 to evaluate the effects of simulated herbicide drift on 'Cocodrie' rice. Each application was made with the spray volume varying proportionally to herbicide dosage based on a constantspray volume of 234 L ha~(-1) and a glyphosate rate of 863 g ae ha~(-1). The 6.3, 54-g ha~(-1), herbicide rate was applied at a spray volume of 15 L ha~(-1) and the 12.5 , 108—g ha~(-1), herbicide rate was applied at a spray volume of 29 L ha~(-1). Compared with the nontreated, glyphosate applied at one tiller, panicle differentiation (PD), and boot resulted in increased crop injury. The greatest injury was observed on rice treated at the one-tiller timing. Applications of glyphosate at one tiller, PD, and boot reduced plant height at harvest and primary and total crop yield. Pvice treated at primary crop maturity was not affected by glyphosate applications.

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《Weed technology: A journal of the Weed Science Society of America》 |2013年第2期|257-262|共6页
作者
Justin B. Hensley; Eric P. Webster; David C. BlouinDustin L. HarrellJason A. Bond;
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作者单位

Postdoctoral Researcher and Professor, School of Plant, Environmental, and Soil Sciences, Louisiana State University Agricultural Center, 104 Sturgis Hall, Baton Rouge, LA 70803;

Department of Experimental Statistics, Louisiana State University, 45 Agricultural Administration Building, Baton Rouge, LA 70803;

Louisiana StateUniversity Agricultural Center Rice Research Station, 1373 Caffey Road, Rayne, LA 70578Delta Research and Extension Center, Mississippi Agricultural and Forestry Experiment Station, Stoneville, MS;

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原文格式 PDF
正文语种英语
中图分类植物保护;
关键词
Simulated herbicide drift; sublethal herbicide rates;

Response of Rice to Drift Rates of Glyphosate Applied at Low Carrier Volumes

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