In order to absorb water, the speed of root elongation in plants must surpass the speed of the humid soil layer moving down.
为了能够有效地从沙层中获得水分，植物的根系的伸长的速度必须大于湿沙层下降的速度。
Under salt stress condition, the root elongation of WT and AtNOSl mutant were both inhibited, but AtNOSl mutant was inhibited much more seriously.
在盐胁迫条件下，野生型和突变体根的生长都受到不同程度的抑制，但对突变体的抑制较为明显。
There was no difference of root elongation between the H. moscheutos and wheat, but the lateral roots of H. moscheutos were more tolerant to Al than that of wheat genotypes.
两种植物的主根伸长对铝胁迫的差异不显著，而秋葵侧根对铝毒的抗性比两个供试的小麦基因型强；
The results showed that when sawdust was used as root-forcing medium, the root elongation was faster, the flowering frequency was higher, and also the growing period could shorten.
结果表明：木屑为催根基质，根伸长较快，且后期不存在根老化现象，成花率也高于珍珠岩为基质的材料，且可缩短生育期。
Cells of middle elongation zone and root hair zone were also labelled by many gold particles.
伸长区中部及根毛区细胞也有较多的金颗粒标记。
When building the primary root system, capability of getting assimilation and elongation pattern of each root are similitude.
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。
This paper deals with proliferation culture, plumule elongation, strong plant culture and root inducing on tissue culture of Leucadendron floridum.
对多花银叶树组织培养研究中的增殖培养、幼芽伸长生长、壮苗培养、根诱导等进行了研究。
The primary meristem of the root tip may be extended a section of distance below the elongation region.
根尖的初生分生组织可扩大到伸长区下方一段距离。
The elongation cell afterwardsstarts to split up, forms the root hair , the drive pipe and so on thedifferent structure, thereupon plant ' s root then grew maturely.
伸长的细胞随后开始分化，形成根毛、导管等不同结构，于是植物的根便发育成熟了。
The results of GUS staining showed that NPC2 expressed mainly in meristematic zone, elongation zone and vascular tissue of maturation zone of root tip;
GUS染色显示NPC2在根中主要是在根尖分生区和伸长区表达，在成熟区主要是在维管组织中表达；
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.
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.
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。
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