Full TGIF Record # 29721
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Web URL(s):http://archive.lib.msu.edu/tic/ressum/1991/trs/9.pdf
    Last checked: 01/20/2017
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Author(s):Carrow, Robert N.
Title:Zoysiagrass performance, water use, and rooting as affected by traffic and nitrogen
Source:1991 Turfgrass Research Summary [USGA/GCSAA]. 1991, p. 9.
Publishing Information:Far Hills, NJ: United States Golf Association, Golf House.
# of Pages:1
Full Report URL:http://turf.lib.msu.edu/rprl/241.pdf
    Last checked: 9/2001
    Requires: Adobe Acrobat
    Notes: This is the entire full report!
Keywords:TIC Keywords: Cultivar evaluation; Cultural methods; Drought resistance; Evapotranspiration; Water use; Wear resistance; Zoysia japonica
Abstract/Contents:"Zoysiagrass (Zoysia japonica) is a deep rooted, drought resistant species in many areas of the United States, especially the transition zone. Due to considerable genetic diversity among ecotypes, zoysiagrass has been targeted by the USGA as a species that could be developed through breeding/genetics to exhibit low water use, high drought avoidance and high drought tolerance. Areas requiring special attention for developing a water conserving zoysiagrass are: 1) have moderate to low ET rates under both non-limited and limited soil moisture, 2) develop and maintain a deep, viable root system under the major soil stresses of high soil strength and high acidity, and 3) have good to excellent drought tolerance when tissues are subjected to drying. Objectives of the current study were to evaluate nine zoysiagrass experimentals from the Texas A&M University (Dr. Milt Engelke) zoysiagrass breeding program versus three commercial cultivars for: a) ET, spatial rooting/water extraction patterns, and drought avoidance/tolerance responses b) basic cultural requirements (fertility, disease, insect, traffic tolerance) c) determination [determining] the stability of these grasses to environment, disease and insect pressures. Grasses were plugged at 12 inch centers on 8 through 12 July 1991 from plugs provided by Dr. Milt Engelke. Fertilization was monthly with 10-10-10 analysis at 1.0 lb nitrogen per 1000 square feet from July through September. Mowing was at 1.0 inch with clippings returned. Ronstar 2G was applied after plugging at a rate of 1.75 lbs ai/acre for preemergence annual grass control. To date, zoysiagrasses demonstrating the most rapid establishment are El Toro, DALZ 8514 and DALZ 8512, while those slowest to cover were DALZ 8502 and DALZ 8516. All grasses had good genetic color, but the darkest green were DALZ 8516, 8508, 9006, and 8502. Narrowest leaf texture (about 2.0 mm) was exhibited by DALZ 8502, 9006, 8507 and 8508, while widest (5.0 mm) were DALZ 8512, 8514, and El Toro. While not a part of the original project, Dr. Kris Braman is determining the resistance of these cultivars to mole cricket and white grub injury."
See Also:See also related article, "Zoysiagrass performance, water use, and rooting as affected by traffic and nitrogen" GTA Today, 9(3) June 1994, p. 6-7, 9, R=175110 R=175110

See also related manuscript, Zoysiagrass Performance, Water Use, and Rooting as Affected by Traffic and Nitrogen: [1991 Annual Research Report], 1991, R=233845. R=233845
See Also:Other Reports from this USGA research project: 1992-02-059
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Carrow, R. N. 1991. Zoysiagrass performance, water use, and rooting as affected by traffic and nitrogen. Turfgrass Environ Res. Summ. p. 9.
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    Last checked: 9/2001
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    Notes: This is the entire full report!
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MSU catalog number: SB 433 .A1 A6
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