Full TGIF Record # 63712
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Powell, A. J. Jr.; Burrus, P. B.; Williams, D. W.; Woosley, P. B.
Author Affiliation:University of Kentucky
Title:A new look at ethofumesate for control of annual bluegrass
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Salt Lake City, UT: October 31 - November 4, 1999
Source:1999 Annual Meeting Abstracts [ASA/CSSA/SSSA]. Vol. 91, 1999, p. 137.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Ethofumesate; Poa annua control; Poa annua; Weed control; Golf fairways; Agrostis stolonifera; Lolium perenne; Application rates; Seasonal variation; Application timing; Seedhead inhibition
Abstract/Contents:"Applications of ethofumesate were made in summer 1998, winter '98/'99, and spring 1999 to annual bluegrass (Poa annua) infested bentgrass (Agrostis palustris) and perennial ryegrass (Lolium perenne) fairways. Summer rates of ethofumesate to bentgrass were 0.28 to 2.24 kg ha⁻¹. Winter applications were made to bentgrass at 0.84 and 2.24 kg ha⁻¹. Three winter applications were made to perennial ryegrass fairways at 4.48 and 8.97 kg ha⁻¹ and more than 5 applications were made to bentgrass at 0.84 and 1.68 kg ha⁻¹ in the spring. Summer treatments did not reduce Poa significantly, but the quality of bentgrass and Poa were improved. Three winter applications made to bentgrass and ryegrass resulted in 50% and 100% Poa control by May, respectively. Spring treatments gave little Poa control at 0.84 kg ha⁻¹. Severe bentgrass damage occurred at 1.68 kg ha⁻¹. All winter and spring applications reduced Poa seedheads."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Powell, A. J. Jr., P. B. Burrus, D. W. Williams, and P. B. Woosley. 1999. A new look at ethofumesate for control of annual bluegrass. Annu. Meet. Abstr. 91:p. 137.
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