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| Web URL(s): | https://dl.sciencesocieties.org/publications/cs/articles/40/5/1363
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https://dl.sciencesocieties.org/publications/cs/pdfs/40/5/1363
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| Publication Type:
| Refereed |
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| Author(s): | Xu, Qingzhang;
Huang, Bingru |
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| Author Affiliation: | Department of Horitculture, Forestry, and Recreation Resources, Kansas State University, Manhattan, KS |
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| Title: | Growth and physiological responses of creeping bentgrass to changes in air and soil temperatures |
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| Section: | Turfgrass science
Other records with the "Turfgrass science" Section
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| Source: | Crop Science. Vol. 40, No. 5, September/October 2000, p. 1363-1368. |
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| Publishing Information: | Madison, WI: Crop Science Society of America |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Growth; Physiological responses; Agrostis stolonifera; Air temperature; Soil temperature; Temperatures; Shoot growth; Root growth; Heat resistance; Canopy; Quality; Photochemical efficiency
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| Cultivar Names: | Penncross |
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| Abstract/Contents: | "High air or soil temperature is a major factor limiting growth of cool-season grasses during summer months in the transition zone and warm climate regions. Knowledge of how cool-season grasses respond to differential high air and soil temperatures would facilitate our understanding of heat tolerance mechanisms. The objectives of this study were to compare the influence of air versus soil temperature on turf quality, physiological activities, and root growth of creeping bentgrass (Agrostis palustris Huds. cv. Penncross), and to investigate whether shoot and root growth could be improved by reducing soil temperature at high air temperatures. Shoots and roots were exposed to four air/soil temperature regimes (20/20, 20/35, 35/20, and 35/35°C) for 56 d in growth chambers. High soil (20/35°C) and high air/soil (35/35°C) temperatures reduced canopy photosynthetic rate (P^D[n), turf quality, and the number of roots. High air/soil temperatures also reduced photochemical efficiency (Fv/Fm). The adverse effects of high air/soil temperatures were more pronounced than either high soil or air temperature alone for turf quality, Fv/Fm, P^D[n, and root growth. High soil temperature was more detrimental than high air temperature. Lowering soil temperature at high air temperatures (35/20°C) increased root growth, canopy P^D[n, Fv/Fm, and turf quality, compared with high soil temperature at low or high air temperatures (20/35 and 35/35°C). The results demonstrated that roots mediated shoot responses to high temperature stress in creeping bentgrass, and that reducing root-zone temperature could help maintain quality creeping bentgrass under supraoptimal ambient temperatures." |
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| Language: | English |
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| References: | 25 |
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| Note: | Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Xu, Q., and B. Huang. 2000. Growth and physiological responses of creeping bentgrass to changes in air and soil temperatures. Crop Sci. 40(5):p. 1363-1368. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/40/5/1363
Last checked: 05/04/2017
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Last checked: 05/04/2017
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MSU catalog number: SB 183 .C7 |
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