Full TGIF Record # 16113
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Web URL(s):http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/1989.pdf#page=265
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Publication Type:
Author(s):William, Ray D.
Author Affiliation:Oregon State University, Corvallis, OR.
Title:Perennial Turfgrasses as Living Mulches in Oregon's Horticultural Crops
Meeting Info.:Held: March 13-16, 1989, Honolulu, HI.
Source:Proceedings of the Western Society of Weed Science. Vol. 42, March 1989, p. 253-260.
Publishing Information:Logan, UT: Plant Science Dept., Utah State University.
Keywords:TIC Keywords: Live mulches; Lolium perenne; Traffic; Erosion control; Infiltration; Nutrients; Weed control; Seedhead inhibition; Postemergence herbicides; Growth regulators; Fluazifop; Sethoxydim; Glyphosate
Abstract/Contents:Living mulches are thought to be effective as soil stabilizers, traffic improvers, increasers of water infiltration and nutrient retention, and undesirable weed suppressors. "Trials involving grapes, Christmas trees, Marion berries, and vegetables have been conducted at various sites in western Oregon since 1983 to evaluate several living mulches and associated management practices. Generally, dwarf or intermediate perennial ryegrass cultivars were selected as living mulches, although other grass species were compared in a low maintenance trial. Management strategies compared bare ground with mechanically or chemically mowed perennial ryegrass strips that covered approx. 60 to 75% of the entire soil surface. Chemical suppression involved applications of fluazifop or sethoxydim with 1% (v/v) crop oil or glyphosate broadcast to actively growing grass. Primary data comparisons included grass suppression, soil water use, and crop growth paramters or yields. In addition to standard field procedures, brief descriptions of specific practices are included within subsequent topics." Perennial ryegrass foliage and seed heads were suppressed by 75%-85% using sublethal fluazifop or sethoxydim. Glyphosate was ineffective as repeated chemical mowing resulted in turf thinning. To test soil moisture, blocks were placed at 1, 2 and 3 ft below sod. Chemical mowing with fluazifop reduced soil soil moisture requirements in 2/6 trials. Regarding crop response, both cabbage and pak choi performed better with chemically suppressed perennial ryegrass.
Geographic Terms:Oregon
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
William, R. D. 1989. Perennial Turfgrasses as Living Mulches in Oregon's Horticultural Crops. Proc. West. Soc. Weed Sci. 42:p. 253-260.
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    Last checked: 01/13/2015
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MSU catalog number: SB 610 .W43 v.42
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