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| Publication Type:
| Refereed |
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| Author(s): | Lu, Shaoyun;
Guo, Zhenfei;
Lu, Jieying;
Zhong, Jianming;
Han, Liebao |
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| Author Affiliation: | Lu, S., Guo, Lu, J., and Zhong: Laboratory for Turfgrass Science, College of Life Science, South China Agricultural University, Guangzhou, China; Han: Institute of Turfgrass, China Forestry University, Beijing, China |
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| Title: | Effect of abscisic acid on chilling injury of centipedgrass [centipedegrass] |
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| Section: | Physiology/stress physiology
Other records with the "Physiology/stress physiology" Section
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| Meeting Info.: | Llandudno, Wales, UK: July 10-15 2005 |
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| Source: | International Turfgrass Society Research Journal. Vol. 10, No. Part 2, 2005, p. 862-866. |
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| Publishing Information: | Aberystywth, Ceredigion, UK: International Turfgrass Society |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Abscisic acid; Chilling injury; Eremochloa ophiuroides; Chill resistance; Chill stress; Antioxidants; Osmotic adjustment; Temperatures; Superoxide dismutase; Sugars; Proline
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| Abstract/Contents: | "Little is known about the effect of exogenous abscisic acid on the physiological responses of centipedegrass [Eremochloa ophiruoides (Munro) Hackel] to chilling injury. The study was designed to examine the protection of centipedegrass from chilling injury by exogenous abscisic acid and whether the effect is associated with anioxidant enzymes and osmotic adjustment. Centipedegrass plants were sprayed with abscisic acid solution and, one day later, were exposed to chilling stress at 15°C for 2 days and then at 5°C for 25 to 30 days in a growth chamber. The electrolyte leakage in both abscisic acid-treated and control plants increased under chilling stress, but abscisic acid-treated plants had lower level. Superoxide dismutase activity decreased in both ABA-treated and control plants with the chilling stress. ABA-treated plants had higher activities of catalase and peroxidase than control plants under chilling stress. Soluble sugars and proline accumulated in plants during chilling stress. Abscisic acid had no influence on soluble sugars accumulation, but increased proline content. The results suggested that abscisic acid increased the chilling resistance of centipedegrass, which was associated with its increased activities of CAT and POD and proline accumulation." |
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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):
Lu, S., Z. Guo, J. Lu, J. Zhong, and L. Han. 2005. Effect of abscisic acid on chilling injury of centipedgrass [centipedegrass]. Int. Turfgrass Soc. Res. J. 10(Part 2):p. 862-866. |
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