| Abstract: | Physiology of root system, especially root system activity,is a very important physiological trait of rice, which directly affects rice growth and development of the aerial parts and yield. Inter-subspecific hybrid rice IIyou 2070and Ilyou 419, as well as their restorer lines 2070 and Zhong419, were used to study physiological traits of rice root system. Three years research indicated that in ter-subspecific hybrid rice had root systems of physiological superiority. Results were briefly showed as the follows: |
