Research on Seed Germination Ecology

doi:10.11733/j.issn.1007-0435.2009.01.026

Acta Agrestia Sinica ›› 2009, Vol. 17 ›› Issue (1): 131-133.DOI: 10.11733/j.issn.1007-0435.2009.01.026

Research on Seed Germination Ecology

ZHANG Hong-xiang¹, ZHOU Dao-wei²

1. Laboratory of Quantitative Vegetation Ecology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China;
2. Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, Jilin Province 130012, China

Received:2008-12-05 Revised:2008-12-08 Online:2009-02-15 Published:2009-02-15

种子发芽生态研究

张红香¹, 周道玮²

1. 中国科学院植物研究所植被数量生态学重点实验室;
2. 中国科学院东北地理与农业生态研究所

通讯作者: 周道玮(1963-),男,汉族,山东青岛人,研究员,主要从事草地饲养及草地管理研究,E-mail:choudaowei@yahoo.com.cn
作者简介:张红香(1981- ), 女, 汉族, 辽宁省大连人, 博士, 研究方向为恢复生态和种子生态学, E-mail:zhanghongxiang8@hotmail.com
基金资助:
国家“973”项目(2007CB106801)

Abstract

Abstract: Life history strategy is an important research area of plant population ecology and seed germination is the critical stage of plant life history.Therefore,researches on seed germination rule and strategy help to know and elucidate the evolution and ecological adaptation traits of plant species.Plants in Songnen grassland area were treated as the target to investigate the seed germination responses to constant temperature and diurnal increasing or decreasing temperature,the effect of global warming simulated by alternating temperature regimes on seed germination of C₃ and C₄ species,and the germination patterns and their dynamics under different temperatures.The germination response mechanisms of plants to NaCl and PEG and their interaction were also studied.

Key words: Seed, Germination, Temperature, Thermal time model, Salt, Osmotic effect, Ionic effect

摘要： 生活史策略是植物种群生态研究的重要领域,而种子发芽是植物生活史的重要阶段, 因此, 研究种子发芽规律及对策, 有助于认识和阐明物种进化及其生态适应特征。本论文以松嫩草原区植物为对象, 主要研究种子对恒温和变温的发芽响应, 比较变温梯度模拟的全球增温对C₃、C₄植物种子发芽的影响, 研究植物发芽模式及在不同温度条件下的变化, 探讨植物对盐、水势变化及盐与温度交互作用的发芽响应机制。

关键词: 种子, 发芽, 温度, 积温模型, 盐, 渗透效应, 离子效应

CLC Number:

Q948.1

ZHANG Hong-xiang, ZHOU Dao-wei. Research on Seed Germination Ecology[J]. Acta Agrestia Sinica, 2009, 17(1): 131-133.

张红香, 周道玮. 种子发芽生态研究[J]. 草地学报, 2009, 17(1): 131-133.

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Research on Seed Germination Ecology

种子发芽生态研究

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