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Weed Control in Peanuts (Arachis hypogaea) with Pyridate

Published online by Cambridge University Press:  12 June 2017

T. Vint Hicks,
Glenn R. Wehtje and
John W. Wilcut
T. Vint Hicks
Affiliation:
Dep. Agron. Soils, Auburn Univ. and Ala. Agric. Exp. Stn., Auburn Univ., AL 36849
Glenn R. Wehtje
Affiliation:
Dep. Agron. Soils, Auburn Univ. and Ala. Agric. Exp. Stn., Auburn Univ., AL 36849
John W. Wilcut
Affiliation:
Dept. of Agron., Univ. of Georgia, Coastal Plain Exp. Stn., Tifton, GA 31793
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Abstract

Pyridate was evaluated alone and as a component in herbicide systems for weed control and peanut tolerance. Pyridate at 1.0 and 1.5 kg ai ha-1 applied postemergence controlled 79 and 96% of Florida beggarweed, respectively. Pyridate was less effective on sicklepod than 2,4-DB. Peanuts exhibited no visible foliar injury or yield reduction with pyridate at 1.5 kg ha-1, the highest rate evaluated. Comprehensive weed control and maximum yield required that pyridate be tank mixed with 2,4-DB at 0.22 kg ae ha-1.

Keywords

Pyridate, O-(6-chloro-3-phenyl-4-pyridazinyl)-S-octyl carbonthioate2,4-DB, 4-(2,4-dichlorophenoxy) butanoic acidFlorida beggarweed, Desmodium tortuosum (SW.) DC. ♯3 DEDTOsicklepod, Cassia obtusifolia L. ♯ CASOBpeanut, Arachis hypogaea L. ‘Florunner’CASOBDEDTO

Information

Type
Research
Information
Weed Technology , Volume 4 , Issue 3 , September 1990, pp. 493 - 495
Copyright
Copyright © 1990 Weed Science Society of America 

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References

Literature Cited

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