豆科植物种子物理性休眠解除机制的研究进展

物理性休眠普遍存在于豆科植物种子中,其休眠解除机制的研究对阐明自然条件下种群的繁殖更新、生态环境恢复及种质资源的保存等都具有重要意义.本文对国内外关于影响种子休眠解除的环境因素(温度与温度的波动、湿度或土壤含水量)和生物因素(动物捕食、微生物感染等),休眠解除的结构基础,以及各种因子作用于种子的方式和部位的研究进展进行综述,并简要评述了休眠解除机制的二阶段和四阶段假说,以期为豆科植物种子休眠的进一步研究提供参考.

Progress of Physical Dormancy Release of Legume Species

Physical dormancy exists commonly in the legume species.Studying dormancy release mechanism has great significance for understanding plant population reproduction and renewal,eco-environmental restoration and plant germplasm conservation.Aspects of dormancy release mechanism research on legume seeds are reviewed in this paper,including the environmental factors(temperature,humidity and soil moisture)and biotic factors(predator,miroorganism infecyion)released dormancy,the seed structure,the site of these fac...