Compared with inundatory condition , aerobic condition retarded the form ation of aerenchyma of hybrid rice roots an d made the cortex sclerenchymatous cells array loosely in conventional japonica root .

与淹水条件相比，旱作条件下杂交稻根通气组织形成较迟，常规粳稻根皮层厚壁细胞排列较疏松。