采用焦锑酸钾沉淀法，对遭受淹水胁迫的玉米幼苗初生根根尖分生细胞内钙离子分布变化情况进行了电镜细胞化学观察。
Potassium antimonate was employed to ultrastructurally locate calcium ions in seminal root apical meristematic cells of maize seedings subjected to flooding stress.
根的生长主要取决于根尖区的细胞分裂和伸长，而调控根尖分生组织细胞分裂的成分很大程度上是未知的。
Root growth is mainly determined by cell division and subsequent elongation in the root apical area. Components regulating cell division in root meristematic cells are largely unknown.
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