Long-term results of tebuthiuron herbicide treatment on creosote bush (Larrea tridentata) in southeast Arizona, USA

John Brock, William K Brandau, Dave Arthun, Amy L. Humphrey, Gwen Dominguez, Alayna Jacobs

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Creosote bush (Larrea tridentata) is native to the southwestern United States and central Mexico. Experimental plots of creosote bush treated with tebuthiuron herbicide in southeast Arizona in the early 1980s were rediscovered in 2010. The response over the 30-year period was monitored, revealing creosote bush was effectively controlled by tebuthiuron; however, the anticipated recolonization by native grasses was not realized. Reducing the overall vegetative canopy cover of the site may leave the soil more susceptible to erosion, negatively affecting its hydrologic function. Land management strategies should more thoroughly consider shrub treatments in ecosystems receiving less than 254mm of annual rainfall and inadequate seed source, such as this study site. Low and inconstant precipitation are typical of the American Southwest. This study demonstrates that, while brush management techniques are effective for long periods of time, the reduction of shrub cover does not directly stimulate recolonization of the site with native grasses.

Original languageEnglish (US)
Pages (from-to)44-46
Number of pages3
JournalJournal of Arid Environments
Volume110
DOIs
StatePublished - 2014

Fingerprint

tebuthiuron
Larrea tridentata
creosote
herbicide
herbicides
recolonization
Southwestern United States
shrub
grass
shrubs
brush control
grasses
land management
canopy
seed
erosion
rainfall
ecosystem
Mexico
rain

Keywords

  • Brush control
  • Chihuahuan desert
  • Erosion
  • Interspace
  • Larrea tridentata
  • Sonoran desert
  • Tebuthiuron

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Earth-Surface Processes
  • Ecology

Cite this

Long-term results of tebuthiuron herbicide treatment on creosote bush (Larrea tridentata) in southeast Arizona, USA. / Brock, John; Brandau, William K; Arthun, Dave; Humphrey, Amy L.; Dominguez, Gwen; Jacobs, Alayna.

In: Journal of Arid Environments, Vol. 110, 2014, p. 44-46.

Research output: Contribution to journalArticle

Brock, John ; Brandau, William K ; Arthun, Dave ; Humphrey, Amy L. ; Dominguez, Gwen ; Jacobs, Alayna. / Long-term results of tebuthiuron herbicide treatment on creosote bush (Larrea tridentata) in southeast Arizona, USA. In: Journal of Arid Environments. 2014 ; Vol. 110. pp. 44-46.
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