不同脱水方法对板栗胚轴脱水敏感性和生理生化的影响

园艺学报 ›› 2006, Vol. 33 ›› Issue (2): 233-238.

不同脱水方法对板栗胚轴脱水敏感性和生理生化的影响

宗　梅^{1, 2};蔡丽琼^{1, 3};吕素芳¹;刘玉潭¹;贾书华¹;蔡永萍^1*

(¹安徽农业大学生命科学学院, 合肥230036; ²安庆师范学院生命科学系, 安庆246011; ³安徽医科大学基础学院,合肥230032)

收稿日期:2005-03-18 修回日期:2005-07-21 出版日期:2006-04-25 发布日期:2006-04-25

Effect of Different Desiccation Methods on Castanea mollissima Embryo AxisDesiccation Sensitivity and Physiological Metabolism

Zong Mei^1,2; Cai Liqiong^{1, 3}; Lü Sufang¹; Liu Yutan¹;Jia Shuhua¹; and Cai Yongping^1*

(¹College of L ife Sciences, Anhui Agricultural University, Hefei 230036, China; ²Department of L ife Sciences, Anqing Teachers College, Anqing 246011, China; ³School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China)

Received:2005-03-18 Revised:2005-07-21 Online:2006-04-25 Published:2006-04-25

摘要/Abstract

摘要： 以成熟板栗离体胚轴为材料, 通过3种脱水方法, 研究了脱水速率对板栗胚轴脱水敏感性及其相关生理的影响。研究结果表明: 硅胶脱水(快速脱水) 的胚轴脱水敏感性最低, 关键含水量最低, 胚轴的发芽率与电导率显著负相关, 胚轴的生活力与MDA含量显著负相关, 对脱水胁迫反应的忍耐力加大,同时抗氧化系统迅速启动。

关键词: 板栗, 脱水敏感性, 顽拗型种子

Abstract: The paper studied effects of physiologicalmetabolism and desiccation sensitivity for drying velocity on chestnut embryo axis through three different drying methods. The results indicated that the desiccation sensitivity of axis and the criticalwater content in axis for silica gel drying are lowest. Axis vigour showed negative correlation with electric conductivity as well as remarkable negative correlation with the content of MDA. Reaction of axis for stress increased, and anti-oxidative systems in axis were triggered rapidly.

Key words: Chestnut, Desiccation sensitivity, Recalcitrant seed

宗　梅;;蔡丽琼;;吕素芳;刘玉潭;贾书华;蔡永萍. 不同脱水方法对板栗胚轴脱水敏感性和生理生化的影响[J]. 园艺学报, 2006, 33(2): 233-238.

Zong Mei;Cai Liqiong;;Lü Sufang;Liu Yutan;Jia Shuhua;and Cai Yongping. Effect of Different Desiccation Methods on Castanea mollissima Embryo AxisDesiccation Sensitivity and Physiological Metabolism[J]. ACTA HORTICULTURAE SINICA, 2006, 33(2): 233-238.

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