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Fringed Sagebrush (Artemisia frigida) Control in Western Nebraska

Published online by Cambridge University Press:  12 June 2017

Robert G. Wilson  and
James Stubbendieck
Robert G. Wilson
Affiliation:
Dep. Agron., Univ. of Nebraska, Scottsbluff and Lincoln, NE 69361 and 68583
James Stubbendieck
Affiliation:
Dep. Agron., Univ. of Nebraska, Scottsbluff and Lincoln, NE 69361 and 68583
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Abstract

Two experiments were conducted to determine the most effective herbicide treatments for fringed sagebrush (Artemisia frigida Willd.) control in rangelands. In the first study the potassium salt of picloram (4-amino-3,5,6-trichloropicolinic acid) at 0.1, 0.6, and 0.8 kg/ha; picloram + the propylene glycol butyl ether ester of 2,4-D [(2,4-dichlorophenoxy)acetic acid] at 0.1 + 1.1 kg/ha; the monoethanolamine salt of 3,6-dichloropicolinic acid at 1.1 kg/ha; 3,6-dichloropicolinic acid + 2,4-D at 0.6 + 1.1 kg/ha; and the dimethylamine salt of dicamba (3,6-dichloro-o-anisic acid) + 2,4-D at 0.6 + 1.1 kg/ha applied in late summer at flowering, showed the greatest potential for fringed sagebrush control. In the second experiment, the potassium salt of picloram at 0.3 kg/ha applied either in the spring or late summer gave 94 to 100% fringed sagebrush control, respectively, 1 yr after application. Control of fringed sagebrush had declined to 50% 3 yr after application. Production of perennial grasses from plots receiving picloram at 0.3 kg/ha in 1976 was increased by 410 kg/ha in 1977, 450 kg/ha in 1978, and 430 kg/ha in 1979 over that of the untreated plots.

Keywords

Grass productionnitrogen fertilizerreinfestationsoil moisture
Type
Research Article
Information
Weed Science , Volume 29 , Issue 5 , September 1981 , pp. 525 - 530
Copyright
Copyright © Weed Science Society of America 

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References

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