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| Publication Type:
| Report |
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| Author(s): | Yu, Gao-jing;
Lin, Wen-xiong |
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| Author Affiliation: | Yu: Ecological Research Institute of Fujian Agriculture and Forestry University, Fuxhou, China; Lin: Xiamen Highway Bureau, Xiamen, China |
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| Title: | Physiological response to heat stress in tall fescue turfgrass |
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| Source: | [Caoye Kexue] [Pratacultural Science]. Vol. 23, No. 2, February 15 2006, p. 75-84. |
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| Publishing Information: | [Lanzhou Shi, China]: ["Cao Ye Ke Xue" Bian Jibu] |
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| # of Pages: | 10 |
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| Abstract/Contents: | "Thirty-nine tall fescue varieties introduced from America were devided [divided] into five ecotypes, from which five cultivars were collected for testing the changes of turf quality, root activity, soluble sugar content around years,meanwhile antioxidant enzyme activity, lipid peroxidation etc under heat stress conditions were tested too in 1999-2000. The results indicated that changes of root activity and content of soluble sugar in the leaves were to some extent responsible for adjusting the stress-resistance in heat stresses, It implied that the two parameters had a great effect on the turf quality of tall fescue around the year. It was also indicated that the increasing rate of MDA content was significantly positively correlated with the changes of electrolyte leakage in the leaves of turf grass. When exposed to 40 °C heat stress,the relative activities of superoxide dismutase (SOD) and peroxidase (POD) in the leaf of turf cultivars concerned were significantly negatively correlated with malonaldehyde (MDA) and electrolyte leakage. Based on the index of active oxygen and electrolyte leakage, the ability of heat tolerance in the five ecotypes of tall fescue was in order:Gooden>Regiment>Tomahawk>SR-8210>Brandy. Finally, a rapid accurate laboratory procedure of measuring turf grass tolerance to heat was also discussed." |
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| Language: | English |
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| References: | 32 |
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| Note: | Abstract also appears in Chinese
"Sum No. 151"
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Yu, G.-j., and W.-x. Lin. 2006. Physiological response to heat stress in tall fescue turfgrass. [Caoye Kexue] [Pratacultural Science]. 23(2):p. 75-84. |
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