Effect of Hypoxia Stress on Polyaminets Contents of Muskmelon Seedlingswith Hydroponics

ACTA HORTICULTURAE SINICA ›› 2005, Vol. 32 ›› Issue (1): 121-123.

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Effect of Hypoxia Stress on Polyaminets Contents of Muskmelon Seedlingswith Hydroponics

Gao Hongbo;Guo Shirong

(College of Horticulture, Nanjing Agriculture University, Nanjing 210095, China)

Received:2004-04-05 Revised:2004-07-08 Online:2005-02-25 Published:2005-02-25

Abstract

Abstract: The effects of hypoxia treatment on growth of leaves, free, conjugate and bound polyamines levels were studied in leaves of muskmelon seedlings in a hydroponic culture. The results showed that the growth of the seedling leaveswas inhibited under hypoxia stress; but the contents of free, conjugate and bound Put, Spd, Spm in leaves with hypoxia stress treatment were significantly higher than those of normal aerate treatment. The increasing degrees of growth, contents of free, conjugate and bound Put, Spd, Spm of‘Xingguang’were more than those of‘Xiyu 1’under hypoxia stress. It suggested that higher contents of free, conjugate and bound PAs might be involved in regulation of hypoxia tolerance in muskmelon seedlings.

Key words: Muskmelon, Hypoxia stress, Free polyamines, Conjugate polyamines, Bound polyamines

CLC Number:

S 641.2

Gao Hongbo;Guo Shirong. Effect of Hypoxia Stress on Polyaminets Contents of Muskmelon Seedlingswith Hydroponics[J]. ACTA HORTICULTURAE SINICA, 2005, 32(1): 121-123.

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Effect of Hypoxia Stress on Polyaminets Contents of Muskmelon Seedlingswith Hydroponics

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