Full TGIF Record # 8150
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Publication Type:
Author(s):Powell, A. J. Jr.; Tapp, Linda
Author Affiliation:University of Kentucky
Title:Perennial ryegrass evaluations
Source:Kentucky Turfgrass Research. 1984, p. 14-17.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Keywords:TIC Keywords: Lolium perenne; Seed mixtures; Cultivar evaluation; Quality evaluation; Competition; Seeding rate; Botanical composition; National Perennial Ryegrass Test-1982; Red thread; Laetisaria fuciformis; Cultivar purity; ExperVars
Abstract/Contents:Two tests to evaluate long term quality of improved Lolium perenne cultivars, and evaluate their competitiveness with Poa pratensis in a Kentucky location. Test 1 evalutes three replications of 13 varieties seeded at 4 lbs/ft2, with a 1" cutting height between 1977 and 1983. A table provides both plot purity and visual quality rating results with Derby, Yorktown II, and Diplomat rating the highest quality over a 7 year average. A second table provides plot purity and visual quality rating results of certain Lolium perenne/Poa pratensis mixtures and Lolium seeding rates. Test 2 evaluates 3 replications of 48 selections, with a seeding rate of 5.5 lb/1000 ft2, and a 1.5" cutting height. A table provides a two year average (with Gator, BT-I, and SWRC-1 rates highest), 7 monthly visual quality rating results (March-October 1984), and red thread, measured 13 July 1984. In each test, 3 lbs nitrogen/1000 ft2 were applied in fall and early winter.
Geographic Terms:Kentucky
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Powell, A. J. Jr., and L. Tapp. 1984. Perennial ryegrass evaluations. KY. Turfgrass Res. p. 14-17.
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MSU catalog number: SB 433 .A1 K4
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