发育和冷层积过程中色木槭种子发芽能力与ABA含量的变化

doi:10.11707/j.1001-7488.20121218

林业科学 ›› 2012, Vol. 48 ›› Issue (12): 116-121.doi: 10.11707/j.1001-7488.20121218

发育和冷层积过程中色木槭种子发芽能力与ABA含量的变化

杨玲¹, 沈海龙¹, 张振全¹, 张军保², 张鹏¹

1. 东北林业大学林学院林木遗传育种国家重点实验室哈尔滨 150040;2. 福建省林木种苗总站福州 350003

收稿日期:2011-09-02 修回日期:2012-03-05 出版日期:2012-12-25 发布日期:2012-12-25
通讯作者: 沈海龙

Changes in Endogenous Abscisic acid Content and Germination Ability of Acer mono Seeds during Seed Development and Cold Stratification

Yang Ling¹, Shen Hailong¹, Zhang Zhenquan¹, Zhang Junbao², Zhang Peng¹

1. State Key Laboratory of Tree Genetics and Breeding School of Forestry, Northeast Forestry University Harbin 150040;2. General Administration of Tree Seeds and Seedlings of Fujian Province Fuzhou 350003

Received:2011-09-02 Revised:2012-03-05 Online:2012-12-25 Published:2012-12-25

摘要/Abstract

关键词: 色木槭, 脱落酸, 种子发育, 冷层积, 休眠

Abstract:

Immature seeds during developmental period and dormant seeds during cold stratification were used to investigate the changes in germination ability and endogenous abscisic acid (ABA) content of Acer mono seeds. The results showed that the seeds of A. mono finished the nutrient accumulation and entered into rapid dehydration stage from 100 d after flowering. Germination ability and endogenous ABA content of A. mono seeds increased with the decrease of the seed moisture content. The seed germination percentage was just 32.7% at 120 d after flowering (fructify stage) but increased to 75.0% after 80 days of cold stratification. The ABA content of A. mono seeds decreased significantly with the prolongation of cold stratification. The present study suggested that the dormancy of A. mono seeds is strongly dependent on the ABA levels. The synthesis of ABA in A. mono seeds decreased and seed germination ability enhanced after cold stratification.

Key words: Acer mono, abscisic acid, seed development, cold stratification, dormancy

中图分类号:

杨玲;沈海龙;张振全;张军保;张鹏. 发育和冷层积过程中色木槭种子发芽能力与ABA含量的变化[J]. 林业科学, 2012, 48(12): 116-121.

Yang Ling;Shen Hailong;Zhang Zhenquan;Zhang Junbao;Zhang Peng. Changes in Endogenous Abscisic acid Content and Germination Ability of Acer mono Seeds during Seed Development and Cold Stratification[J]. Scientia Silvae Sinicae, 2012, 48(12): 116-121.

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发育和冷层积过程中色木槭种子发芽能力与ABA含量的变化

Changes in Endogenous Abscisic acid Content and Germination Ability of Acer mono Seeds during Seed Development and Cold Stratification

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