Full TGIF Record # 139329
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Web URL(s):http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2008.pdf#page=39
    Last checked: 12/10/2013
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Wilson, Rob; Orloff, Steve; Lancaster, Don; DiTomaso, Joseph; Carlson, Harry; Kirby, Don
Author Affiliation:Wilson: University of California Cooperative Extension, Susanville, California; Orloff: University of California Cooperative Extension, Yreka, California; Lancaster: University of California Cooperative Extension, Alturas, California; DiTomaso: University of California, Davis, California; Carlson and Kirby: University of California Intermountain Research and Extension Center, Tulelake, California
Title:Integrating herbicides and perennial grass revegetation for weed suppression in pasture and non-crop areas in Northern California
Section:Project 1: Weeds of range and forest
Other records with the "Project 1: Weeds of range and forest" Section
Meeting Info.:Anahein/Garden Grove, California: March 11-13, 2008
Source:Proceedings of the Western Society of Weed Science. Vol. 61, 2008, p. 30.
# of Pages:1
Publishing Information:Newark, CA: Western Society of Weed Science
Keywords:TIC Keywords: Weed control; Perennial grasses; Pastures; Herbicides; Establishment; Seedling vigor; Competitive ability
Abstract/Contents:"Non-cropland such as ditch levees, roadsides, field borders, fencerows, and wildlife areas are very vulnerable to weed invasion. Most of these sites have been disturbed and lack competitive desirable vegetation. This project addressed the importance of revegetation and integrated weed management for weed control in non-crop areas. The study evaluated 13 perennial grass species on their establishment success, vigor, and ability to suppress weeds. The study also evaluated the influence herbicides have on weed control and grass establishment. Treatments were applied to six non-crop sites heavily infested with weeds in Northeastern California starting in 2005. The experiment was a split-block design. Chemical weed control the year of seeding and year after seeding was critical for successful native and introduced perennial grass establishment. In untreated plots, weed cover was greater than 50% and average seeded grass cover was less than 6% at all sites two years after seeding (one year after the final herbicide treatment). In plots where herbicides gave effective weed control and grass safety, average seeded grass cover was 25 to 35% two years after seeding. Individual grass species cover differed between sites. Crested wheatgrass (Agropyron cristatum (L.) Gaertn.), tall wheatgrass (Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang), Russian wildrye (Psathyrostachys junceus (Fisch.) Nevski), western wheatgrass (Pascopyrum smithii (Rydb.) A. Löve), bluebunch wheatgrass (Pseudoroegneria spicata (Pursh) A. Löve), and thickspike wheatgrass (Elymus lanceolatus (Scribn. & J.G. Sm.) Gould.) showed broad acclimatization and had grass cover over 30% averaged across sites two years after seeding. Grass species with high cover, especially crested wheatgrass, had up to 90% lower weed cover when used in combination with herbicides compared to herbicide-treated plots without zero grass cover two years after seeding."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wilson, R., S. Orloff, D. Lancaster, J. DiTomaso, H. Carlson, and D. Kirby. 2008. Integrating herbicides and perennial grass revegetation for weed suppression in pasture and non-crop areas in Northern California. Proc. West. Soc. Weed Sci. 61:p. 30.
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    Last checked: 12/10/2013
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