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| Web URL(s): | https://dl.sciencesocieties.org/publications/cs/articles/40/2/493
Last checked: 05/04/2017
https://dl.sciencesocieties.org/publications/cs/pdfs/40/2/493
Last checked: 05/04/2017
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| Publication Type:
| Refereed |
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| Author(s): | Fagerness, M. J.;
Yelverton, F. H. |
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| Author Affiliation: | Fagerness and Yelverton: North Carolina State University, Raleigh, NC |
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| Title: | Tissue production and quality of 'Tifway' bermudagrass as affected by seasonal application patterns of trinexapac-ethyl |
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| Source: | Crop Science. Vol. 40, No. 2, March/April 2000, p. 493-497. |
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| Publishing Information: | Madison, WI: Crop Science Society of America |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Gibberellic acid; Growth regulators; Trinexapac-ethyl; Cynodon dactylon; Cynodon transvaalensis; Application timing; Tissues; Dry weight; Quality
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| Abstract/Contents: | Research on the gibberellic acid (GA)-inhibiting plant-growth regulator (PGR) trinexapac-ethyl (TE) regarding seasonal effects of single vs. multiple applications of this product on turfgrass quality and tissue production has not been reported. Research was conducted at North Carolina State University on 'Tifway" bermudagrass [Cynodon dactylon (L.) Pers. X Cynodon transvaalensis (Burtt-Davy)] to compare effects of different seasonal application patterns of TE. Application of TE were made to fully established Tifway bermudagrass at either 0.107 or 0.071 kg a.i. ha⁻¹. Seasonal application patterns included an initial application, followed by zero, one, or two sequential applications at 4-wk intervals. Plots were rated weekly for turfgrass quality and clippings were collected weekly for evaluation of tissue production. Results demonstrated that one application of TE provided temporary growth inhibition of Tifway bermudagrass. This effect, as expected, disappeared 4 wk after initial treatment (WAIT). Post-inhibition growth enhancement (PIGE) was observed from 6 to 10 WAIT in areas treated with a single application of TE of 0.071 kg a.i. ha⁻¹. However, total seasonal tissue production following a single application of TE was equal to untreated areas, suggesting limited overall effects of PIGE. Conversely, one or two sequential applications of TE provided prolonged growth inhibition; total seasonal tissue production was reduced by up to 40%. Overall quality of Tifway bermudagass was enhanced by multiple TE applications and perceived fall dormancy was delayed. Results support the use of sequential applications of TE in Tifway bermudagrass for consistent growth management througout the growing season, avoidance of PIGE, and improvement in visual turfgrass quality. |
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| Language: | English |
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| References: | 16 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Fagerness, M. J., and F. H. Yelverton. 2000. Tissue production and quality of 'Tifway' bermudagrass as affected by seasonal application patterns of trinexapac-ethyl. Crop Sci. 40(2):p. 493-497. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/40/2/493
Last checked: 05/04/2017
https://dl.sciencesocieties.org/publications/cs/pdfs/40/2/493
Last checked: 05/04/2017
Requires: PDF Reader |
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MSU catalog number: SB 183 .C7 |
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