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Effect of Salt Stress on the Germination Characters of Helianthus annuus Seed(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年18期
Page:
61-63
Research Field:
Publishing date:

Info

Title:
Effect of Salt Stress on the Germination Characters of Helianthus annuus Seed
Author(s):
NIU Dang-ping1; CAO Zhen-zhao2; YAN Xue-chun1
1.Suzhou Tourism and Finance Institute,Soochow,Jiangsu 215000;
2.Botanical Garden of Xinxiang City,Xinxiang,Henan 453000
Keywords:
Helianthus annuus; seed germination; salt tolerance
PACS:
S 688
DOI:
-
Abstract:
Taking Helianthus annuus seeds as experimental materials,using the paper culture method,under light incubator (25±1)℃ condition,the effects of 0,2,4,8,12 g/L 5 salt solution concentration gradient stress treatments on the germination rate,germination potential,germination index were studied.The results showed that when salt solution at 2 g/L,seed germination rate was the highest,which showed adaptabity of Helianthus annuus seeds at this salt solution.As the concentration of salt solution increased,compared with the contrast,germination potential and germination index of all treatments showed clear downward trend.When salt solution at 12 g/L,the germination rate was the lowest,germination quality was the poorest,the growth of seeds showed a bad state.

References:

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Memo

Memo:
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Last Update: 2014-08-14