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Tebuthiuron Effects on Artemisia Spp. and Associated Grasses

Published online by Cambridge University Press:  12 June 2017

Thomas D. Whitson and
Harold P. Alley
Thomas D. Whitson
Affiliation:
Dep. of Plant Sci., Univ. of Wyoming, Laramie, WY 82071
Harold P. Alley
Affiliation:
Dep. of Plant Sci., Univ. of Wyoming, Laramie, WY 82071
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Abstract

Tebuthiuron {N-[5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl]-N,N′-dimethylurea} was evaluated on three Wyoming soil types for control of big sagebrush (Artemisia tridentata Nutt.), silver sagebrush (Artemisia cana Pursh.), and phytotoxic effects on associated vegetation. Big sagebrush was controlled with tebuthiuron at application rates of 0.6 to 1.1 kg ai/ha, whereas silver sagebrush was not completely controlled. Prairie junegrass [Koeleria pyramidata (Cam.) Beauv.], western wheatgrass (Agropyron smithii Rydb. ♯3 AGRSM), needleandthread (Stipa comata Trin. ♯ STDCO), and green needlegrass (Stipa viritdula Trin. ♯ STOVI) were not significantly reduced with tebuthiuron up to 1.1 kg ai/ha. Blue grama (Bouteloua gracilis H.B.K. ♯ BOBGR), downy brome (Bromus tectorum L. ♯ BROTE), plains pricklypear (Opuntia polyacantha Haw. ♯ OPUPO), and broom snakeweed [Gutierrezia sarothrae (Pursh.) Britt. and Rugsby, ♯ GUESA] were tolerant to tebuthiuron at rates up to 1.1 kg ai/ha.

Keywords

Agropyron smithiiArtemisia canaArtemisia tridentataBouteloua gracilisBromus tectorumGutierrejia sarothraeKoeleria pyramidataOpuntia polycanthaStipa viritolulalive canopy coversagebrush controlAGRSMBOBGRBROTEGUESAOPUPOSTDVI

Information

Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 32 , Issue 2 , March 1984, pp. 180 - 184
Copyright
Copyright © 1984 by the Weed Science Society of America 

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References

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