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| DOI: | 10.1002/csc2.20387 |
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| Web URL(s): | https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.20387
Last checked: 04/16/2021
Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/csc2.20387
Last checked: 04/16/2021
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Brown, Austin M.;
Harris, James R.;
Gonçalves, Clebson G.;
Peppers, John M.;
Magni, Simone;
Volterrani, Marco;
McElroy, J. Scott |
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| Author Affiliation: | Brown, Harris, and McElroy: Department of Crop, Soil and Environmental Sciences, Auburn University, Auburn, AL; Gonçalves and Peppers: Department of Plant Pathology, Physiology, and Weed Science, Virginia Polytechnic Institute and State University, Blacksburg, VA; Magni and Volterrani: Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy |
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| Title: | Testing a reapplication schedule |
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| Source: | Crop Science. Vol. 61, No. 2, March/April 2021, p. 1436-1445. |
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| Publishing Information: | Madison, Wisconsin: Crop Science Society of America |
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| # of Pages: | 10 |
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| Related Web URL: | https://acsess.onlinelibrary.wiley.com/doi/abs/10.1002/csc2.20387
Last checked: 05/06/2021
Notes: Abstract only |
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| Abstract/Contents: | "Trinexapac-ethyl (TE) is commonly applied to ultradwarf bermudagrass [Cynodon dactylon (L.) Pers. Œ C. transvaalensis Burtt-Davy] putting greens for growth suppression and secondary benefits. Improperly timed reapplications will reduce the benefits of TE, but knowing when to reapply is difficult because suppression duration is affected by environmental conditions, especially temperature. In another experiment we determined that GDD with a base temperature of 0 °C (GDD0) was the most precise unit for predicting the maximum suppression point (MSP) after a TE application on a MiniVerde ultradwarf bermudagrass putting green. The model suggested that the MSP occurred at 262 GDD0 after the TE application. The objective of this second experiment was to test GDD0 reapplication intervals for an extended period of time. We included four GDD0 intervals (100, 200, 400, and 600) and two TE rates (0.022 and 0.044 kg a.i. ha-1). We hypothesized that reapplying TE before the MSP would result in a consistent suppression magnitude from day to day (i.e., consistent daily growth), which should be an ideal growth pattern for turfgrass managers. The 100- and 200-GDD0 intervals yielded consistent suppression magnitude throughout the experiment, and suppression magnitude increased with the higher TE rate. In contrast, the 400- and 600-GDD0 intervals allowed fluctuation in suppression magnitude from day to day. Discoloration occurred after initial applications and was more severe for the higher TE rate." |
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| Language: | English |
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| References: | 21 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Brown, A. M., J. R. Harris, calves Gon¸Peppers C. G., Magni J. M., Volterrani S., et al. 2021. Testing a reapplication schedule. Crop Sci. 61(2):p. 1436-1445. |
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| DOI: 10.1002/csc2.20387 |
| Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.20387
Last checked: 04/16/2021
Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/csc2.20387
Last checked: 04/16/2021
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2211522a |
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