Effect of Pyrasulfotole Carryover to Peanut and Tobacco

In the southeastern United States, growers often double-crop soft red winter wheat with peanut. In some areas, tobacco is also grown as a rotational crop. Pyrasulfotole is a residual POST-applied herbicide used in winter wheat, but information about its effects on rotational crops is limited. Winter...

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Bibliographic Details
Published in:Weed technology 2017-09, Vol.31 (5), p.651-657
Main Authors: Grey, Timothy L, Diera, Alexx, Moore, J. Michael, Rucker, Keith S, Butts, Christopher L
Format: Article
Language:English
Subjects:
Agricultural practices
Arachis hypogaea
Bioassay
Bioassays
Crop rotation
Crops
Double cropping
Environmental protection
Glyphosate
Grain
Handbooks
herbicide carryover
herbicide persistence
Herbicides
Irrigation
Laboratories
Lamium amplexicaule
Legumes
Lolium perenne
Peanuts
Raphanus raphanistrum
rotational crop injury
Science
Tillage
Tobacco
Triticum aestivum
WEED MANAGEMENT-MAJOR CROPS
Weeds
Wheat
Winter
Winter wheat
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Summary:In the southeastern United States, growers often double-crop soft red winter wheat with peanut. In some areas, tobacco is also grown as a rotational crop. Pyrasulfotole is a residual POST-applied herbicide used in winter wheat, but information about its effects on rotational crops is limited. Winter wheat planted in autumn 2014 was treated at Feekes stage 1 or 2 with pyrasulfotole at 300 or 600 g ai ha-1. Wheat was terminated by glyphosate at Feekes stage 3 to 4. Peanut was planted via strip tillage, while tobacco was transplanted into prepared beds after minimal soil disturbance. Peanut exhibited no differences in stand establishment, growth, or yield, and tobacco stand, growth, and biomass yields were not different from the nontreated control for any pyrasulfotole rate or treatment timing. Nomenclature: Pyrasulfotole; peanut, Arachis hypogaea L.; tobacco, Nicotiana tabacum L.; wheat, Triticum aestivum L.
ISSN:0890-037X
1550-2740
DOI:10.1017/wet.2017.52