水稻根系的生长发育受制于品种特性，也与地上部的生长有着直接联系。有关这些方面的研究已有诸多报道，综合概述如下。1不同基因型水稻的根系生长发育1．1株型与根系生长发育的关系Yoshida（1982）调查了1081个水稻品种的株高、分蘖数和根系生长的关系，发现根系分布较深... The growth and development of rice root system is controlled by variety traits, and also has a direct relationship with the growth of shoots. There are many reports on these aspects of research, a comprehensive overview is as follows. 1 Root growth and development of different genotypes of rice 1.1 Relationship between plant type and root growth and development Yoshida (1982) investigated the relationship between plant height, tiller number and root growth in 1081 rice varieties and found that the roots are distributed in deep ...