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    Last checked: 07/12/2016
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i
Report
Author(s):Wan, Li-qiang; Shi, Yong-hong; Li, Xiang-lin; He, Feng; Jia, Ya-xiong
Author Affiliation:Wan, Li, He, and Jia: Institute of Animal Science, CAAS, Beijing; Shi: Animal Husbandry and Veterinary Institute, Shanxi Academy of Agricultural Sciences, Taiyuan, Shanxi Province
Title:Physiological resistance of three Lolium perenne L. varieties under PEG stress
Source:[Cao Di Sue Bao] [Acta Agrestia Sinica]. Vol. 17, No. 4, July 2009, p. 440-444.
Publishing Information:[Beijing, China]: [Zhongguo Xue Shu Qi Kan (Guang Pan Ban) Dian Zi Za Zhi She]
# of Pages:5
Keywords:TIC Keywords: Cultivar evaluation; Cultivar variation; Electrolyte leakage; Lolium perenne; Osmotic stress; Physiological responses; Polyethylene glycol; Proline; Relative water content; Stress response; Superoxide dismutase
Cultivar Names:Premier; Fairway
Abstract/Contents:"The effects of PEG stress on leaf proline content, relative water content, MDA content, superoxide dismutase (SOD) activity, and electrolyte leakage rate of three Lolium perenne L. varieties were investigated under treatments with different PEG concentrations. The results show that variety Premier was most resistant to osmotic stress and had the highest leaf relative water content, the least electrolyte leakage rate, and less increasing rates of MDA content under PEG stress, while the resistance of variety Fairway was the weakest. The proline accumulation in leaves of three varieties obviously increased under the PEG stress and Premier had stronger ability to resist PEG stress with rapid increasing in leaf proline contents. Superoxide dismutase (SOD) activities in leaves of three varieties increased during the initial stress stage at 5% PEG concentration and decreased continuously under severer stress. In summary, PEG stress resulted in the decreases in leaf relative water content and SOD activity and increases in leaf cell membrane permeability, MDA content, and proline accumulation of three L. perenne varieties and there was difference in the changing extents of the corresponding indices among three varieties."
Language:Chinese
References:28
Note:Abstract also appears in English
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wan, L.-q., Y.-h. Shi, X.-l. Li, F. He, and Y.-x. Jia. 2009. Physiological resistance of three Lolium perenne L. varieties under PEG stress. (In Chinese) [Cao Di Sue Bao] [Acta Agrestia Sinica]. 17(4):p. 440-444.
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    Last checked: 07/12/2016
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