Full TGIF Record # 8166
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Publication Type:
Author(s):Powell, A. J. Jr.; Tapp, Linda
Author Affiliation:University of Kentucky
Title:Residual activity of Rubigan on creeping bentgrass establishment (Fall '84)
Source:Kentucky Turfgrass Research. 1984, p. 47.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Keywords:TIC Keywords: Fenarimol; Application rates; Fungicide residues; Residual effects; Germination; Seedlings; Growth analysis; Agrostis stolonifera; Turfgrass establishment; Overseeding
Abstract/Contents:Test to evalute the residual activity of Rubigan on creeping bentgrass germination and seedling growth. "Two rates of Rubigan 50W, 1.089 lb ai/A and 10.89 lb ai/A, were replicated three times and applied to creeping bentgrass turf. Individual plots measured 10 feet by 12 feet. Rubigan at 1.089 lb ai/A (0.4 oz a.i./1000) rate was applied on June 8, June 25, July 10 and Aug 2 only. The 10.89 lb ai/A (4 oz a.i./1000) rate was applied on July 10 and Aug 2. Immediately following the last spray date, all plots were sprayed with Roundup (glyphosate) to kill existing turf. Beginning on August 7 and continuing at weekly intervals for four weeks creeping bentgrass was overseeded at a rate of 1.5 lb/1000 ft2." For all overseeding dates and both rates of Rubigan, % bentgrass cover on 12/14/84 ranged from 10 to 23% less than check. "On September 20 after emergence of the last seeding, one-half of each check treatment was sprayed with the 1.089 lb ai/A rate of Rubigan in order to evaluate seedling toxicity. There was no phytotoxic response and thus no data collected."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Powell, A. J. Jr., and L. Tapp. 1984. Residual activity of Rubigan on creeping bentgrass establishment (Fall '84). KY. Turfgrass Res. p. 47.
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