Chin J Plant Ecol ›› 2012, Vol. 36 ›› Issue (8): 899-908.DOI: 10.3724/SP.J.1258.2012.00899

• Review • Previous Articles     Next Articles

Review on influence mechanisms of light in seed germination

ZHANG Min1,2,3, ZHU Jiao-Jun1,2,*(), YAN Qiao-Ling1,2   

  1. 1State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164, China
    2Qingyuan Experimental Station of Forest Ecology, Chinese Academy of Sciences, Shenyang 110016, China
    3Graduate University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2011-10-25 Accepted:2012-04-16 Online:2012-10-25 Published:2012-08-21
  • Contact: ZHU Jiao-Jun


Seed germination is a key process in the natural regeneration of plant populations and is mainly controlled by favorable temperature, water or light conditions. Light plays a critical role in determining the ability and rate of germination of photoblastic seeds. Furthermore, the regulation of seed germination by light involves not only complicated physiological processes but also rigorous signal transductions and gene expression pathways. We summarized available data on the relationships between seed germination and other factors (i.e., light attributes, coupling of light and water/heat and phytochromes in seeds). To assess the effects of light on seed germination, we also comprehensively summarized the physiological reaction and light signal transduction mechanisms regulated by phytochromes in seed germination.

Key words: hormone, light, phytochrome, seed germination, seed size, signal transduction