Full TGIF Record # 85436
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Web URL(s):https://gsrpdf.lib.msu.edu/?file=/2000s/2003/030311.pdf
    Last checked: 01/25/2017
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Author(s):Ervin, E. H.; Chalmers, D. R.; Askew, S. D.
Author Affiliation:Ervin: Assistant Professor, Turfgrass Ecology, Virginia Tech, Virginia; Chalmers: Associate Professor and Extension Turfgrass Specialist, Texas A & M University, Texas; and Askew: Assistant Professor, Turfgrass Weed Science, Virginia Tech, Virginia
Title:Can ryegrasses speed establishment of Kentucky bluegrass fairways? Fairway cover is accomplished faster when ryegrass is in the mix, but with negligible bluegrass establishment
Section:Research you can use
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Source:USGA Green Section Record. Vol. 41, No. 2, March/April 2003, p. 11-12.
Publishing Information:Far Hills, NJ: United States Golf Association, Green Section
# of Pages:2
Keywords:TIC Keywords: Lolium perenne; Lolium multiflorum; Poa pratensis; Golf fairways; Turfgrass establishment; Lolium x hybridum; Golf courses; Cultivar evaluation; Competition; Poa annua; Seed mixtures
Cultivar Names:America; Apollo; Rambo; Unique; Transist
Abstract/Contents:Describes proposed alternatives to planting perennial ryegrass in Appalachian Mountains because of an epidemic of gray leaf spot destroying many perennial ryegrass fairways. Explains that Kentucky Bluegrass would be an effective alternative because of its immunity to gray leaf spot, but it is extremely slow to establish, with fairways not available to be opened until August 1, versus June 1 with perennial ryegrass. Proposes that planting a seed mix of both Kentucky bluegrass and either perennial ryegrass or Transit intermediate ryegrass would speed up the establishment of the fairways in spring, and the intermediate ryegrass would die midsummer because of its low heat tolerance, leaving only the Kentucky bluegrass permanently. "The trial was conducted on a portion of the eighth fairway at the Virginia Tech Golf Course" using four compact-type Kentucky bluegrass cultivars, America, Apollo, Unique, and Rambo, planted either alone or in a 70/30 mix with 30% Transit intermediate ryegrass or Phantom perennial ryegrass. "Direct counts of the species present in each plot by July 31 indicated that almost no KB had established in PR or IR mixes. It is clear that the ryegrasses germinated and developed so quickly that the slow-germinating KB, even though it made up 70% of the seed planted, was not able to compete effectively for resources (space, light, nutrients, water) and become established... By the next spring all plots had obtained nearly 100% cover. However, removal of all species but KB in each plot with selective herbicides in the fall of 2002 revealed that much of this cover was due to Poa annua invasion."
Note:Pictures, color
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ervin, E. H., D. R. Chalmers, and S. D. Askew. 2003. Can ryegrasses speed establishment of Kentucky bluegrass fairways? Fairway cover is accomplished faster when ryegrass is in the mix, but with negligible bluegrass establishment. USGA Green Sec. Rec. 41(2):p. 11-12.
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    Last checked: 01/25/2017
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MSU catalog number: SB 433.15 .U84
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