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不同黄瓜品种种子萌发期的耐盐性研究
引用本文:王广印,周秀梅,张建伟,沈军.不同黄瓜品种种子萌发期的耐盐性研究[J].植物遗传资源学报,2004,5(3):299-303.
作者姓名:王广印  周秀梅  张建伟  沈军
作者单位:河南科技学院园艺系,新乡,453003
摘    要:在不同浓度的NaCl胁迫盐境下发芽,对黄瓜种子萌发有显著影响,随着NaCl胁迫浓度增大,对种子萌发的抑制作用明显增强,种子活力指数、发芽指数、幼胚一级侧根数比发芽率对NaCl胁迫的反应更敏感.在供试的14个黄瓜品种中,不同黄瓜品种种子萌发受盐胁迫抑制的程度不同,其中耐盐品种有中农12号和津春5号,新秀2号和津优1号为不耐盐品种,其他为耐盐性中等品种.

关 键 词:NaCl胁迫  黄瓜  种子萌发  耐盐性
修稿时间:2004年4月21日

Salt Tolerance of Cucumber Cultivars at Germination Stage
WANG Guang-yin,ZHOU Xiu-mei,ZHANG Jian-wei,SHEN Jun.Salt Tolerance of Cucumber Cultivars at Germination Stage[J].Journal of Plant Genetic Resources,2004,5(3):299-303.
Authors:WANG Guang-yin  ZHOU Xiu-mei  ZHANG Jian-wei  SHEN Jun
Abstract:The effects on the germination of cucumber seeds that were treated with NaCl in different concentrations were investigated. With the concentration of NaCl increasing, the inhibition on germination increased significantly. The vigor index, germination index and lateral root of the first order of cucumber seeds were more sensitive to NaCl stress than the germination percentage. In all the 14 cultivars, the cucumber seeds of different cultivars were inhibited with different degrees during germination period. Zhongnong 12 and Jinchun 5 were tolerant to NaCl.
Keywords:NaCl stress  Cucumber (Cucumis sativus L  )  Seed germination  Salt-tolerance
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