形成层的向顶分化像初生根伸长一样在继续进行。
Acropetal differentiation of the cambium layer continues as the primary root elongates.
随着植株源器官的建成，初生根系各主轴获取同化产物的能力以及伸长模式相似。
When building the primary root system, capability of getting assimilation and elongation pattern of each root are similitude.
依照各单位根的功能，小麦根可分为3组：初生根组、次生根下位组和次生根上位组。
According to the function, the wheat roots could be divided into 3 groups: primary root group, lower secondary root group and upper secondary root group.
在试验所处的玉米生育时期（6叶龄），磷对所用自交系的初生根及次生根数量没有影响。
Up to 6 - leaf age of maize, the number of primary and secondary roots of all the genotypes were merely affected.
初生根解剖结构分析表明，抗旱性强的品种表现为初生根直径大，皮层厚，中央大导管直径小。
The anatomy structure photos of primal root showed the stronger drought-resistance varieties had the bigger diameter of primal root, the thicker cortex and smaller diameter of the main xylem vessel.
对SNP处理的水稻初生根根尖细胞进行细胞分裂相统计，结果表明：随SNP浓度的增大，细胞分裂指数呈下降趋势；
It was demonstrated that the cell cycle indexes were decreased as long as the concentrations of SNP were increased after collecting the cell division phase of the primary root-tip cells;
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.
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.
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