然而冠状根发育的调节机制却知之甚少。
However, the regulatory mechanism of crown root development is poorly understood.
而根的长度是根发育水平的一个重要的指标。
The length of root is an important index that stands for the plant development level.
一些园丁说盆栽玫瑰很轻易种植而且根发育良好。
Some gardeners say potted roses are easier to plant. They say the roots develop better.
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