Full TGIF Record # 134035
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Web URL(s):http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/2006/v20n1/JDHHBF_2006_v20n1_25.pdf
    Last checked: 01/28/2013
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Author(s):Ok, Chang-Ho
Author Affiliation:Turfgrass Research Institute, FineAm Company, Limited, Seoul, Korea
Title:Effect of trinexapac-ethyl on zoysiagrass quality under a shade condition
Source:Korean Journal of Turfgrass Science. Vol. 20, No. 1, 2006, p. 25-31.
# of Pages:15
Publishing Information:Korea: Turfgrass Society of Korea
Keywords:TIC Keywords: Trinexapac-ethyl; Quality; Shoot growth; Quality evaluation; Shade; Zoysia japonica; Shade resistance; Irradiance; Application rates; Tiller density; Clipping weight
Cultivar Names:Meyer
Abstract/Contents:"'Meyer' zoysiagrass(Zoysia japonica Steud.) is a popular turfgrass species used for transition zone golf course fairways and tees in mid U.S.A. golf courses because it is generally winter hardy while providing an excellent playing surface with minimal chemical and irrigation inputs. However, its functionality declines easily in many of the shaded areas of these courses. Reduced irradiance causes excessive shoot elongation, reduced tillering, and weak plants that are poorly suited to tolerate or recover from traffic and devoting. Trinexpac-ethyl (TE) effectively reduced gibberellic acid (GA) biosynthesis and subsequent shoot cell elongation. This study was initiated to evaluate TE effect on shoot elongation and stand persistence under two levels of shade in 'Meyer' zoysiagrass. A mature strand of 'Meyer' was treated with all combination of three levels of shade(0%, 79%, and 92%) and three levels of monthly TE [0, 48 g•ha-1 a.i(0.5x) and 96 g•ha-1 a.i(1x0]. In full sun, the TE at 48 g•ha-1 a.i reduced clipping yield by 18% over a four-week period and, whereas the TE at 96 g•ha-1 a.i by 30% to 38%. Monthly application of TE at the 96 g•ha-1 a.i increased 'Meyer' tiller density in full sun and under 79% shade. Both rated of TE consistently reduced shoot growth under shade relative to the shaded control."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ok, C.-H. 2006. Effect of trinexapac-ethyl on zoysiagrass quality under a shade condition. Korean Journal of Turfgrass Science. 20(1):p. 25-31.
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    Last checked: 01/28/2013
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