Changes in Betaine Level in Pear, Jujube and Grapevine Leaves under WaterStress

ACTA HORTICULTURAE SINICA ›› 2002, Vol. 29 ›› Issue (3): 268-270.

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Changes in Betaine Level in Pear, Jujube and Grapevine Leaves under WaterStress

Gao Xiuping^1,2, Yan Jiyao¹, Liu Enke¹, and Zhang Dapeng²

(¹Arid Farming Research Center, Shanxi Academy of Agricultural Sciences, Taiyuan 030031, China;　²Laboratory of Molecular Developmental Biology of Fruit Trees, National Key Laboratory of Plant Physiology and Biochemistry, China Agricultural University, Beijing 100094, China)

Received:1900-01-01 Revised:1900-01-01 Online:2002-06-25 Published:2002-06-25

Abstract

Abstract: Changes in betaine level in leaves of potted pear (Pyrus bretschneideri Rehd. ) , jujube (Zizyphus jujuba Mill . ) and grapevine (Vitis vinifera L. ) plants during water stress period were measured. The results showed that there existed in full water supply conditions some amount of betaine in the leaves of pear , jujube and grapevine. Light water stress induced sensitively a rise of betaine level in pear mature leaves. There was not found the increase in betaine level of either jujube or grapevine subjected to water stress. The results in the detached leaves suggested that the water stress-induced betaine in pear could be biosynthesized independently by leaves.

Key words: Pear, Jujube, Grapevine, Water stress, Betaine

CLC Number:

S 66

Gao Xiuping;Yan Jiyao;Liu Enke;and Zhang Dapeng. Changes in Betaine Level in Pear, Jujube and Grapevine Leaves under WaterStress[J]. ACTA HORTICULTURAE SINICA, 2002, 29(3): 268-270.

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Changes in Betaine Level in Pear, Jujube and Grapevine Leaves under WaterStress

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