Full TGIF Record # 110376
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    Last checked: 04/11/2006
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Author(s):McCullough, Patrick E.; Liu, Haibo; McCarty, Lambert B.; Whitwell, Ted; Toler, Joe E.
Author Affiliation:McCullough: Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey; Liu, McCarty, and Whitwell: Department of Horticulture, Clemson University, Clemson, South Carolina; Toler: Department of Experimental Statistics, Clemson University, Clemson, South Carolina
Title:Nutrient allocation of 'TifEagle' bermudagrass as influenced by trinexapac-ethyl
Source:Journal of Plant Nutrition. Vol. 29, No. 2, 2006, p. 273-282.
# of Pages:10
Publishing Information:New York: Marcel Dekker, Inc.
Keywords:TIC Keywords: Nutrients; Nutrient removal by plants; Cynodon dactylon; Cynodon transvaalensis; Trinexapac-ethyl; Shoot growth; Growth regulators; Photosynthates; Root growth; Application rates; Clipping weight; Turfgrass quality; Chlorophyll; Dry weight; Root weight; Thatch; Nitrogen
Cultivar Names:TifEagle
Abstract/Contents:"Inhibiting shoot growth of dwarf bermudagrass [Cynodon dactylon (L.) Pers. × C. transvaalensis Burtt-Davey] with a plant-growth retardant, trinexapac-ethyl (TE), may redirect nutrients and photosynthate away from leaf tissue to promote root growth and improve nutrient-use efficiency. Two greenhouse experiments evaluated three rates of TE, 0.025, 0.05, and 0.075 kg a.i. ha-1, applied every three weeks on 'TifEagle' bermudagrass for 12 weeks. Lysimeters constructed to United State Golf Association specifications were arranged in a randomized complete block design with four replications. Increased TE rates quadratically reduced clipping yield 38%-75%, improved turf quality 6%-13%, and enhanced chlorophyll concentrations 30%-70% over the untreated grass. Dry-root mass increased with TE rate 11%-37% after 12 weeks. Total clipping nutrients recovered from five sampling dates were reduced by approximately 50%, 85%, and 90% for turf receiving TE at 0.025, 0.05, and 0.075 kg ha-1 3 wk-1, respectively. Thatch (stolons and rhizomes) and roots had higher nitrogen (N) concentration and retention with increased TE rate, suggesting inhibited leaf growth increased N storage in belowground plant tissue. Overall, TE may effectively enhance turf quality, root growth, and nutrient-use efficiency of dwarf-type bermudagrasses."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCullough, P. E., H. Liu, L. B. McCarty, T. Whitwell, and J. E. Toler. 2006. Nutrient allocation of 'TifEagle' bermudagrass as influenced by trinexapac-ethyl. J. Plant Nutr. 29(2):p. 273-282.
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DOI: 10.1080/01904160500476178
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    Last checked: 04/11/2006
    Requires: PDF Reader
    Notes: PDF Version
    Last checked: 04/11/2006
    Notes: HTML Version
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MSU catalog number: QK 867 .J67
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