外施Ca2+、ABA及H3PO4对盐碱胁迫的缓解效应

应用生态学报 ›› 2000, Vol. ›› Issue (6): 889-892.

外施Ca²⁺、ABA及H₃PO₄对盐碱胁迫的缓解效应

颜宏¹, 石德成¹, 尹尚军², 赵伟³

1. 东北师范大学生命科学学院, 长春130024;
2. 浙江农业技术师范专科学校, 宁波315101;
3. 长春飞行学院, 长春130022

收稿日期:1998-03-31 修回日期:2000-06-26
通讯作者: 颜宏,女,1972年生,硕士,讲师,主要从事植物生理生态研究,发表论文4篇.
基金资助:
国家自然科学基金资助项目(39670083).

Effects of Ca²⁺,ABA and H₃PO₄ on relaxing stress of Na₂CO₃ and NaCl

YAN Hong¹, SHI Decheng¹

Northeast Normal University, Changchun 130024

Received:1998-03-31 Revised:2000-06-26

摘要/Abstract

摘要： 分别对300mmol·L^-1NaCl和100mmol·L^-1Na₂CO₃盐碱胁迫下的羊草苗进行以不同方式施加Ca²⁺、ABA和H₃PO₄等缓解胁迫处理.结果表明,外施Ca²⁺、ABA和H₃PO₄明显缓解了盐碱对羊草生长的抑制作用.叶面喷施效果好于根部处理;施用Ca(NO₃)₂效果好于施用CaCl₂效果;混合施用CaCl₂和ABA的效果比单独施用ABA或CaCl₂的效果好.

关键词: 羊草, 盐胁迫, 碱胁迫, 胁迫缓解, Ca²⁺, 脱落酸(ABA), 脯氨酸(Pro)

Abstract: Two groups of Aneurolepidium chinense seedlings were stressed by 300mmol稬^-1 NaCl and 100mmol稬^-1 Na₂CO₃,respectively and the effect of ABA,Ca²⁺ and H₃PO₄ on relaxing their stress was studied.The results show that external Ca²⁺,ABA and H₃PO₄ could obviously mitigat the inhibitory effect of NaCl and NaCO₃ on seedling growth. In the treatment of Na₂CO₃,praying it on leaves had a better effect than root irrigating,while in the treatment of NaCl,there was no significant difference.The effect of Ca(NO₃)₂ was much better than that of CaCl₂,and of mingling CaCl₂ and ABA had a much better effect than CaCl₂ or ABA alone.

Key words: Aneurolepidium chinense, Saline stress, Alkaline stress, Stress mitigation, Calcium, Abscise acid, Proline

颜宏, 石德成, 尹尚军, 赵伟. 外施Ca²⁺、ABA及H₃PO₄对盐碱胁迫的缓解效应[J]. 应用生态学报, 2000, (6): 889-892.

YAN Hong, SHI Decheng. Effects of Ca²⁺,ABA and H₃PO₄ on relaxing stress of Na₂CO₃ and NaCl[J]. Chinese Journal of Applied Ecology, 2000, (6): 889-892.

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外施Ca²⁺、ABA及H₃PO₄对盐碱胁迫的缓解效应

Effects of Ca²⁺,ABA and H₃PO₄ on relaxing stress of Na₂CO₃ and NaCl

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