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Herbicide Mixtures for Control of Honey Mesquite (Prosopis glandulosa)

Published online by Cambridge University Press:  12 June 2017

Rodney W. Bovey  and
Robert E. Meyer
Rodney W. Bovey
Affiliation:
U.S. Dep. Agric., Agric. Res. Serv., Grassland, Soil, and Water Res. Lab., Temple, TX. Duty Station: Dep. Range Sci., Texas A&M Univ., College Station, TX 77843
Robert E. Meyer
Affiliation:
U.S. Dep. Agric., Agric. Res. Serv., Grassland, Soil, and Water Res. Lab., Temple, TX. Duty Station: Dep. Range Sci., Texas A&M Univ., College Station, TX 77843
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Abstract

Clopyralid (3,6-dichloro-2-pyridinecarboxylic acid) was superior to 2,4,5-T [(2,4,5-trichlorophenoxy)acetic acid], dicamba (3,6-dichloro-o-anisic acid), picloram (4-amino-3,5,6-trichloropicolinic acid), and triclopyr {[(3,5,6-trichloro-2-pyridinyl)oxy] acetic acid} for control of honey mesquite (Prosopis glandulosa Torr. ♯ PRCJG) in the field. However, equal ratio mixtures of clopyralid + picloram or triclopyr (0.28 + 0.28 or 0.56 + 0.56 kg ae/ha) were as effective for honey mesquite control as clopyralid at rates of 0.56 and 1.12 kg/ha. Equal mixtures of picloram + 2,4,5-T, picloram + triclopyr, picloram + dicamba, triclopyr + 2,4,5-T, or triclopyr + dicamba were less effective in controlling honey mesquite than clopyralid alone or clopyralid + picloram or triclopyr in 1:1 mixtures. In the greenhouse, mixtures of clopyralid + 2,4,5-T, picloram, or triclopyr were highly effective for the control of honey mesquite. Mixtures of 2,4,5-T + picloram, 2,4,5-T + triclopyr, or triclopyr + picloram were also effective when applied at 0.28 + 0.28 kg/ha.

Keywords

Picloram2,4,5-Tdicambatriclopyrclopyralidrangeland speciesPRCJG
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 33 , Issue 3 , May 1985 , pp. 349 - 352
Copyright
Copyright © 1985 by the Weed Science Society of America 

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References

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