对光照度、光质和光照时间对作物根系生长发育、形态结构、生理生化的影响进行了综述,并提出了光与作物根系关系研究领域的主要研究方向和关键问题. The effects of light intensity, light quality and light time on crop root growth, morphological structure and physiological and biochemical effects were reviewed. The main research directions and key issues in the field of light and crop root system research were also proposed.