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| Web URL(s): | http://a-c-s.confex.com/crops/2010am/webprogram/Paper61314.html
Last checked: 10/15/2010
Notes: Abstract only |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Atkinson, Jeffrey L.;
McCarty, Lambert;
Toler, J. E.;
Liu, Haibo;
Faust, J. |
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| Author Affiliation: | Clemson University, Clemson, SC |
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| Title: | Shade tolerance of 'Diamond' zoysiagrass managed under putting green conditions with the use of Trinexapac-ethyl |
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| Section: | Turf and pest management
Other records with the "Turf and pest management" Section
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| Meeting Info.: | Long Beach, CA: October 31 - November 4, 2010 |
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| Source: | 2010 International Annual Meetings: [Abstracts][ASA-CSSA-SSSA]. 2010, p. 61314. |
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| Publishing Information: | [Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Application rates; Golf greens; Shade assessment; Shade resistance; Trinexapac-ethyl; Zoysia japonica
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| Cultivar Names: | Diamond |
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| Abstract/Contents: | "Shade or low light tolerance is an increasingly important issue to turf managers as they are often expected to grow turf in less than ideal agronomic conditions. As permanent structures such as residential buildings add to already problematic shade caused by trees, and other barriers, new solutions are needed to help turf managers provide acceptable turf conditions. The plant growth regulator, Trinexapac-ethyl (or TE), can lessen negative responses of turfgrass to shade. The purpose of this research was to determine the shade tolerance of 'Diamond' zoysiagrass [Zoysia matrella (L.) Merr.] when maintained under putting green conditions with and without the use of Trinexapac-ethyl. The study included three levels of shade: none, low, and high (0%, 60%, and 90%). The three levels of shade were applied continuously to all plots using a neutral density, poly-fiber black shade cloth. Two treatments were within each level of shade. One included the application of Trinexapac-ethyl with a CO2 backpack sprayer at a rate of 0.57 kg ai ha-1wk-1 (1.5 oz/ 1000 ft2 wk-1) operating at 20 GPA with an 8003 flat flan nozzle and without Trinexapac-ethyl application. Application of shade was initiated on 23 May 2008 and removed 30 October 2008. In 2009 application of shade was initiated 24 May and removed 31 October. Plot size was 2m by 1.5m maintained at a height of 45cm above ground level to maintain proper airflow. Shade tents were removed 2 hours weekly to take measurements and perform maintenance. Application of Trinexapac-ethyl to 90% shade increased turf quality by ~4 units from 1 to ~5 at the end of each study year. While still not commercially acceptable (TQ≥7), some turf cover was still preserved. Other plant responses measured included percent lateral regrowth (LR), total shoot chlorophyll, clipping yield, ball roll distance, and total non-structural carbohydrates (TNC)." |
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| Language: | English |
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| References: | 0 |
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| See Also: | See also related article "Diamond zoysiagrass in shade: Diamond zoysiagrass shows some promise for use on shaded putting greens" Golf Course Management, 79(7) July 2011, p. 82-84 R=185215 R=185215 |
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| Note: | This item is an abstract only |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Atkinson, J. L., L. McCarty, J. E. Toler, H. Liu, and J. Faust. 2010. Shade tolerance of 'Diamond' zoysiagrass managed under putting green conditions with the use of Trinexapac-ethyl. Int. Ann. Meet. p. 61314. |
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| Web URL(s):
http://a-c-s.confex.com/crops/2010am/webprogram/Paper61314.html
Last checked: 10/15/2010
Notes: Abstract only |
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