Full TGIF Record # 13689
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Publication Type:
Author(s):Hartman, J. R.; Clinton, W.; Powell, A. J.
Title:Reactions of Perennial Ryegrass Cultivars to Red Thread, 1987
Source:Kentucky Turfgrass Research. No. 313, 1987, p. 30-31.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Keywords:TIC Keywords: Lolium perenne; Cultivars; Red thread; Laetisaria fuciformis; Disease resistance
Abstract/Contents:Red thread, caused by the fungus Laetisaria fuciformis, often attacks perennial ryegrass leaving brown patches, from a few inches to a foot or more in diameter, in turf with a minimal fertility regime. 48 perennial ryegrass cultivars were evaluated for natural resistance to Red thread on replicated (3 times) and randomized 4 x 6 foot plots. Non-irrigated turf, mowed at 1.0 inch height, received 3 lbs of N/1000 ft2 in the fall with no fungicides applied at all. Percentage red thread diseased plants were evaluated June 26 after a warm and moist period of several weeks. The greatest disease resistance to Red thread was observed in the cultivars 'All star', 'Regal' and 'IA 728'.
Geographic Terms:Kentucky
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hartman, J. R., W. Clinton, and A. J. Powell. 1987. Reactions of Perennial Ryegrass Cultivars to Red Thread, 1987. KY. Turfgrass Res. 313:p. 30-31.
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MSU catalog number: SB 433 .A1 K4
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