Full TGIF Record # 66823
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Author(s):Menn, W. G.; White, R. H.; Hall, M. H.
Author Affiliation:Menn: Lecturer, Turfgrass Science; White: Associate Professor, Turfgrass Physiology; Hall: Agricultural Research Technician II, The Texas Agricultural Experiment Station, Department of Soil and Crop Science, College Station, TX
Title:An evaluation of several rates of primo on common St. Augustinegrass (Stenotaphrum secundatum (Walt.) Kuntze)
Section:Pests and pest management: C. Weeds
Other records with the "Pests and pest management: C. Weeds" Section
Source:Texas Turfgrass Research - 1997. December 1997, p. [1-3].
# of Pages:3
Publishing Information:College Station, TX: Texas Agricultural Experiment Station
Series:Texas Turfgrass Consolidated Progress Reports TURF-97-1 thru
Keywords:TIC Keywords: Trinexapac-ethyl; Application rates; Stenotaphrum secundatum; St. Augustine decline; Lawn turf; Discoloration; Growth; Growth rate
Cultivar Names:Common
Abstract/Contents:"A widely used plant growth regulator (Trinexapac-ethyl-PRIMO) has proven effective on several warm- and cool-season species of turfgrass. Questions have arisen about its use on Common St. Augustinegrass that was infected with SAD virus. Rates of PRIMO ranging from 0.125 to 0.5 fl. oz./1,000 ft² were applied to a 20-yr-old stand of Common St. Augustinegrass which had been infected with the SAD virus for at least 15 yr. The lawn was well fertilized before and did not suffer moisture stress following PRIMO application. Visual ratings of discoloration and growth suppression were made weekly throughout the study. Higher rates caused some discoloration of the St. Augustinegrass; however, certainly within most homeowner's range of tolerance. Higher rates produced dramatic levels of growth suppression which coupled with occasional mowing, produced a high quality Common St. Augustinegrass turf."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Menn, W. G., R. H. White, and M. H. Hall. 1997. An evaluation of several rates of primo on common St. Augustinegrass (Stenotaphrum secundatum (Walt.) Kuntze). Tex Turfgrass Res. p. [1-3].
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