Full TGIF Record # 140280
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Web URL(s):https://archive.lib.msu.edu/tic/gcman/article/2008oct107.pdf
    Last checked: 11/26/2008
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Author(s):McCauley, R. K.; McCarty, Bert; Liu, Haibo; Toler, J. E.
Author Affiliation:McCauley: Research Assistant; McCarty: Professor; Liu: Associate Professor, Department of Horticulture; Toler: Professor, Department of Applied Economics and Statistics, Clemson University, Clemson, South Carolina
Title:Optimizing spring transition of perennial ryegrass: Using a selective herbicide and appropriate cultural practices can alleviate some of the agony of spring transition to bermudagrass
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Source:Golf Course Management. Vol. 76, No. 10, October 2008, p. 107-110.
# of Pages:4
Publishing Information:Lawrence, KS: Golf Course Superintendents Association of America
Keywords:TIC Keywords: Spring transition; Lolium perenne; Cynodon; Transitional overseeding; Cultural methods; Visual evaluation; Herbicides; Mowing height; Fertilization rates; Application rates; Application timing; Trifloxysulfuron; Quality evaluation
Trade Names:Monument
Abstract/Contents:Presents a study conducted to "evaluate combinations of mowing height, fertilizer rate and application timing and rate of Monument (trifloxysulfuron, Syngenta), a sulfonylurea herbicide, to deterimine which cultural and chemical practices would produce a seamless spring transition from the overseeded perennial ryegrass to the permanent bermudagrass base." Details methods and materials used in the study, stating that "a 12-week study was conducted from mid-April to July 2006 and repeated in 2007...The experiment was on an established stand of Tifway 419 hybrid bermudagrass overseeded in early October with Barenbrug Turf Star Brand Perennial Ryegrass blend at 7 pounds/1,000 square feet (342 kilograms/hectare) pure live seed." Reports that "mowing height had little influence on 2006 perennial ryegrass percentages. In 2007, however, the 0.5-inch (1.2 centimeters) mowing height hastened ryegrass disappearance and improved the spring transition of both the control and Monument-treated plots." Also reports results related to fertility rate, Monument rate, and Monument application timing. Concludes that "untreated plots maintained acceptable turf quality during both studies. In 2007, untreated plots mowed at 0.5 inch (1.2 centimeters) and fertilized at 0.75 pound nitrogen/1,000 square feet/week (3.7 grams nitrogen/square meter/week) reduced perennial ryegrass density while promoting the bermudagrass base. Nevertheless, in both years, cultural practices failed to provide an acceptable transition...In contrast, on July 1 in both years, Monument-treated plots had higher bermudagrass density and greater bermudagrass shoot counts than the control plots."
Note:Pictures, color
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCauley, R. K., B. McCarty, H. Liu, and J. E. Toler. 2008. Optimizing spring transition of perennial ryegrass: Using a selective herbicide and appropriate cultural practices can alleviate some of the agony of spring transition to bermudagrass. Golf Course Manage. 76(10):p. 107-110.
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    Last checked: 11/26/2008
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