A Study on Mechanism of Wheat Seedling Senescence Retardation by Polyamines under Water Stress

doi:10.3321/j.issn:1000-7091.1997.02.014

Abstract

Abstract: Relation of the levels of endogenous polymines (PAs) and senescence of leaves of wheat induced by drought was studied under water stress of natural soil drought.The results indicated that soil drought could bring about the senescence of wheat seedling,some correlations between the level of endogenous PAs and water status,protein and nucleic acid metabolism exised,and the high level of endogenous PAs might help in maintance of better water status in wheat leaves and in relief of hydrolysis of protein and nucleic acid during water stress.

Key words: Wheat, Seedling, Water stress, Senescence, Endogenous polyamines

CLC Number:

S512.07

Yue Yanling, Li Guangmin, Shang Zhengqing, Tan Jianxin, Han Jianmin. A Study on Mechanism of Wheat Seedling Senescence Retardation by Polyamines under Water Stress[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1997, 12(2): 71-75. doi: 10.3321/j.issn:1000-7091.1997.02.014.

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