Effect of Polyamine Priming on Seed Vigor and Seedling Chilling Tolerance in Eggplant

ACTA HORTICULTURAE SINICA ›› 2010, Vol. 37 ›› Issue (11): 1783-1788.

• Vegetables • Previous Articles Next Articles

Effect of Polyamine Priming on Seed Vigor and Seedling Chilling Tolerance in Eggplant

ZHANG Yan-ping1,2，LIU Hai-he1,2，SHEN Shu-xing1,，ZHANG Cheng-he1，and ZHANG Xin-e1

（1College of Horticulture，Hebei Agricultural University，Baoding，Hebei 071001，China；2College of Agromomy，Heibei Engineering University，Handan，Hebei 056021，China）

Received:2010-07-27 Revised:2010-10-08 Online:2010-11-25 Published:2010-11-25
Contact: SHEN Shu-xing

Abstract

Abstract: Effects of Spd and Spm treatments on eggplant（Solanum melongena L.）seed vigor and seedling chilling tolerance were studied under chilling stress. Seeds of eggplant hybrid‘Fengyan 2’were soaked with 0.25 mmol • L-1 of Spd and Spm，respectively for 24 h in dark under 10 ℃，15 ℃ and 25 ℃，and the control was not treated with Spd and Spm. The seed vigor indices and seedling chilling tolerance indices between treatment and untreatment were investigated and compared. Results showed that Spd and Spm treatments significantly improved seed vigor and seeding growth，raised the activities of POD，CAT and SOD，increased soluble protein and Pro contents，and decreased membrane permeability and MDA contents. The results suggested that Spd and Spm played a vital role in promoting eggplant seed vigor and seedling chilling tolerance.

Key words: eggplant, seed priming, polyamine, chilling stress, seed vigor, chilling tolerance, physiological index

CLC Number:

S 641.1

ZHANG Yan-ping;LIU Hai-he;SHEN Shu-xing;&#;ZHANG Cheng-he;and ZHANG Xin-e. Effect of Polyamine Priming on Seed Vigor and Seedling Chilling Tolerance in Eggplant[J]. ACTA HORTICULTURAE SINICA, 2010, 37(11): 1783-1788.

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Effect of Polyamine Priming on Seed Vigor and Seedling Chilling Tolerance in Eggplant

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