| 1. | Pruning, by removing part of the top, alters this ratio .
修剪通过剪除部分树冠而改变根冠比。 |
| 2. | Both root and root cap are covered by a sheath-like structure called the coleorhiza .
根和根冠被一鞘状结构，即胚根鞘所覆盖。 |
| 3. | A study comparing water use efficiency and root shoot ratio of alfalfa and astragalus adsurgens at seedling stage
苜蓿和沙打旺苗期需水及其根冠比 |
| 4. | Effect of lateral depth on root and seedling growth and water use efficiency of winter wheat
地下滴灌埋管深度对冬小麦根冠生长及水分利用效率的影响 |
| 5. | They have a physiological role in the root cap and elsewhere , where the starch grains act as statoliths
在根冠及其他部位有重要的生理作用，在那些地方淀粉粒具有平衡石的功能。 |
| 6. | It is an important pathway for movement of these substances outside the xylem , for example across the root cortex
质外体是木质部外方物质运动的一个重要途径，例如物质穿过根冠。 |
| 7. | Calyptogen a layer of meristematic cells covering the root apical meristem in some plants ( e . g . grasses ) that gives rise to and maintains the root cap
根冠原：在一些植物中覆盖根顶端分生组织的一层具有分生能力的细胞，根冠原可以产生和维持根冠。 |
| 8. | Although the e . argyi plants took up more cu in their shoots compared to e . splendens , they showed typical visual symptoms of copper toxicity under 50 and 100 umol l - 1
海州香薷根冠比随营养液铜浓度增加而呈现增加趋势。采自铜陵海州香薷地上部铜积累量略高于其它地区的植物。 |
| 9. | Meanwhile , root to shoot ratio of the ramet grown in low light intensity and high nutrient availability significantly increased while that of the ramet grown in high light intensity and low nutrient availability greatly decreased
同时，低光高养下分株的根冠比相对增加，而高光低养下分株的根冠比相对下降。 |
| 10. | And the plasticity of height , crown amplitude , leaves morphology , leaf number , allocation of biomass ( including : lmr , rmr and shoot / root ratio ) and lar were low to soil water for all three species . 5
而株高、冠幅、叶片形态、叶片数目、生物量在器官间的分配(包括： lmr 、 rmr和根冠比)和lar对土壤水分的可塑性均较小。 |
