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| DOI: | https://doi.org/10.2134/cftm2018.10.0089 |
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| Web URL(s): | https://acsess.onlinelibrary.wiley.com/doi/full/10.2134/cftm2018.10.0089
Last checked: 05/19/2021
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Last checked: 05/19/2021
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Notes: Item is within a single large file; TWCA Quarterly reprint |
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| Publication Type:
| Refereed |
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| Author(s): | Sandor, Daniel;
Karcher, Douglas;
Richardson, Michael;
Hignight, Debra;
Hignight, Kenneth |
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| Author Affiliation: | NexGen Turf Research |
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| Title: | Kentucky Bluegrass Performance Under Chronic Drought Stress |
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| Source: | Crop, Forage and Turfgrass Management. Vol. 5, No. 1, June 1 2019, p. 1-9. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy and Crop Science Society of America |
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| # of Pages: | 9 |
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| Abstract/Contents: | "Kentucky bluegrass (Poa pratensis L.; KBG) is a perennial cool-season turfgrass commonly utilized in lawns. However, during the summer, KBG can decline in turfgrass quality under prolonged periods of drought stress. Previous research has reported that irrigating turfgrasses below levels of maximum crop evapotranspiration (ETc) may not result in unacceptable turfgrass quality. Previous studies have also demonstrated that KBG varieties vary in their drought resistance responses under chronic drought stress. It is unknown the range in deficit irrigation levels to which drought-resistant and drought-sensitive cultivars could maintain acceptable green turf coverage under prolonged chronic drought. Maximizing deficit irrigation without negatively affecting turfgrass aesthetics would greatly support water conservation efforts. Therefore, the objective of this study was to investigate the performance differences between a drought-resistant KBG cultivar ('Mallard') and a drought-sensitive KBG cultivar ('Snap') when both are supplied with variable amounts of deficit irrigation. Weekly irrigation replaced either 100, 80, 60, 50, or 40% ETc over a 90-day period for two growing seasons. Acceptable monthly green turf coverage was observed for 'Mallard' irrigated at 60% ETc, however acceptable monthly green turf coverage for 'Snap' irrigated at 100% ETc was not consistently observed. Final green turf coverage following prolonged chronic drought, for 'Snap' irrigated at 100% ETc was predicted to be < 50%, and for 'Mallard' irrigated at 80% ETc final green turf coverage was estimated to be > 50%. These findings reinforce the importance of selecting drought-resistant turfgrass cultivars and utilizing deficit irrigation in efforts to reduce water use." |
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| Language: | English |
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| References: | 42 |
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| Note: | Reprint appears in TWCA Quarterly, 6(3) 2019, p. 24-35
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sandor, D., D. Karcher, M. Richardson, D. Hignight, and K. Hignight. 2019. Kentucky Bluegrass Performance Under Chronic Drought Stress. Crop, Forage and Turfgrass Management. 5(1):p. 1-9. |
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| DOI: https://doi.org/10.2134/cftm2018.10.0089 |
| Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/full/10.2134/cftm2018.10.0089
Last checked: 05/19/2021
Access conditions: Item is within a limited-access-website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2134/cftm2018.10.0089
Last checked: 05/19/2021
Requires: PDF Reader
Access conditions: Item is within a limited-access-website
https://www.magcloud.com/webviewer/1671704?__r=&s=v
Last checked: 03/13/2023
Requires: JavaScript; HTML5
Notes: Item is within a single large file; TWCA Quarterly reprint |
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