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黄皮种子脱水敏感性与胚轴中可溶性糖含量的关系

陆旺金, 姜孝成, 金剑平, 傅家瑞

华南农业大学园艺系.广东,广州 510642；湖南师范大学生物系.湖南,长沙 410081；珠海市园艺研究所.广东,珠海 519070；中山大学生物系.广东,广州 510275

摘要

以典型的顽拗性种子黄皮为试材,研究了花后不同时间的种子、收获后萌发的种子及15℃湿藏种子的脱水敏感性变化及其与种子胚轴中可溶性糖含量的关系。15℃湿藏150d及600d使种子脱水敏感性增强,与寡糖含量下降以至消失及寡糖/蔗糖(O/D)之比下降极为一致,虽然花后67d的种子耐脱水能力最强,但此时蔗糖、寡糖含量及寡糖/蔗糖之比却并非最高。虽然15℃湿藏150d的种子萌发4d最耐脱水,但寡糖含量及寡糖/蔗糖之比在萌发3d时均已降至0。结果表明,发育及萌发种子的脱水敏感性与蔗糖、寡糖含量及O/D比无直接关系。

关键词： 黄皮; 脱水敏感性; 胚轴; 可溶性糖

Relation between desiccation-tolerance and soluble sugar content of embryonic axes in Clausena lansium seeds

Lu Wangjin, Jiang Xiaocheng, Jin Jianping, Fu Jiarui

Department of Horticultural Science,South China Agricultural University.Guangzhou 510642,Guangdong；China；Institute of Zhuhai Horticultural Science.Zhuhai 519070,Guangdong

Abstract

Desiccation-sensitivity and its relation to soluble sugars of embryonic axes were studied in seeds during their development, germinated seeds and moist storage seeds of wampee (Clausena lansium (Lour.) Skeels).

Key words: Clausena lansium;Desiccation-sensitivity;Embryonic axes;Soluble sugars

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引用本文：

陆旺金, 姜孝成, 金剑平, 傅家瑞. 黄皮种子脱水敏感性与胚轴中可溶性糖含量的关系[J]. 生理学报 2001; 53 (2): .

Lu Wangjin, Jiang Xiaocheng, Jin Jianping, Fu Jiarui. Relation between desiccation-tolerance and soluble sugar content of embryonic axes in Clausena lansium seeds. Acta Physiol Sin 2001; 53 (2): (in Chinese with English abstract).