root-shoot ratio 中文意思是什麼

root-shoot ratio 解釋
根莖比率
  • root : n 魯特〈姓氏〉。n 1 （草木、毛發等的）根；根菜，食用菜根；根莖，地下莖；塊根；有根植物，草木，草...
  • shoot : vt （shot ）1 發射；射（箭）；開（槍）；放（炮）；放射（光線）。2 射中；打中；射死；射傷；打傷；...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. 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
  2. Although the concentration of zinc in both species has not reached the criterion set for zinc hyperaccumulator, their high zinc shoot / root ratio of more than or near 1 suggested that they were zn accumulators

    雖然酸模和戟葉酸模對zn的積累沒有達到超積累標準，但它們大於或接近1的富zn葉根比表明中文摘要它們是zn積累型植物。
  3. 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

    同時，低光高養下分株的根冠比相對增加，而高光低養下分株的根冠比相對下降。
  4. 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、葉片形態、葉片數目、生物量在器官間的分配（包括： lmr 、 rmr和根冠比）和lar對土壤水分的可塑性均較小。
  5. In the fourth chapter, the effect of controlled alternative furrow irrigation on the ratio of root to shoot, filling rate, leaf physiological indexes, yield and water use efficiency of summer maize were discussed, and the lower limits of suitable irrigation for summer maize in controlled alternate furrow irrigation were analyzed and determined

    29 ，表明干濕交替循環不僅可以減少每次灌水間隔期間的棵間土壤無效蒸發，而且也抑制了作物的奢侈蒸騰，因此作物需水量明顯減少，節水效果非常顯著，被證明是溝灌方式中最科學的一種灌水方法。
  6. Results indicated that rdi may reduce dry matter accumulation to a extent, relevant to seriousness, lasting time of rdi and crop growing stage when rdi treat was carried out. ratio of root / shoot, ttc contain in root increased, while number and total length of root per seedling decreased

    試驗結果表明：調虧灌溉減少根系干物質累積，根冠比、平均根長和根系活力（ ttc還原量）提高；單株根系條數下降：根系活力在復水后仍保持較高水平。
  7. The results indicated that the plant growth regulator could increase plant height, main root length, lateral root number, root / shoot ratio, chlorophyll content, proline content and the activity of peroxydase ( pod ), and improve the ability of drought - resistance of soybean seedlings

    結果表明，植物生長調節劑可促進大豆幼苗莖葉生長和主根伸長，增加側根數，加大根冠比，提高葉綠素含量、脯氨酸含量和過氧化物酶（ pod ）活性，從而增強了植株的抗旱能力。
  8. Studies have been made shown that under water stress, not only root weight, root specific surface area, root - shoot ratio, root growing potential, root water potential, root vessel diameter, etc which express the indexes of wheat root morphology and architecture have significantly changed, but also bleeding sap, root respiratory rate, root plasma membrane permeability, plasmalemma peroxide level, root protective enzymes and its isoenzymes etc which express root physiological indexes have changed correspondingly

    過去進行的研究表明，乾旱脅迫條件下，不僅表達小麥根系形態和構型建成指標的根系數量、根系比表面積、根冠比、根生長勢、根水勢、根導管直徑等發生顯著變化，而且表達根系生理指標的傷流液、根呼吸速率、根系質膜透性、膜脂過氧化水平、保護酶及其同工酶等也發生相應改變。
  9. The improving degree of root proportion and root to shoot ratio is : a. ginnala > p. ussuriensis > p. davidiana > m. baccata

    茶條槭在乾旱脅迫下，根比重、根莖比增加幅度最大，山梨、山桃次之，山荊子最小。
  10. Light intensity, nutrient availability and salinity all have significant effects on clonal growth and clonal morphology of h. ruthenica. deep shade, low nutrient availability and high salinity markedly reduced its growth. moreover, the degree and pattern of plasticity in biomass, leaf area, number of ramets, stolon length, petiole length and root to shoot ratio in response to salinity demonstrated genotypic variation

    深度遮光、低養和高鹽均顯著削弱金戴戴的生長，其生物量、葉面積、分株數、匍匐莖長及葉柄長和根冠比對基質鹽分的可塑性大小和格局顯示出基株間的差異。
  11. The results indicated that cynanchumkomarovii is sensitive to soil water from root to shoot, which apparently become slower and even stopped growing with water stress aggravation and the time of stress increase, but the root - shoot ratio increased. the soluble sugar is primary osmolyte in roots of cynanchum komarovii, which increased markedly with water stress aggravation, while soluble sugar in leaves decrease. the results showed that assimilation of cynanchum komarovii mostly distributed to root

    5 、隨著土壤水分脅迫程度的加重，根系中的可溶性糖呈明顯的增加趨勢，葉中的可溶性糖則隨脅迫的加重而呈下降趨勢，說明在乾旱脅迫下牛心樸子的同化產物大部分分配于根系之中；脯氨酸（ pro ）在牛心樸子葉、莖、根的滲透調節中也起著一定的作用，隨土壤水分脅迫的加重，其在根、莖、葉中的積累明顯增加；而無機離子（ k ~ + 、 na ~ + 、 ca ~ （ 2 + ） ）在牛心樸子滲透調節中的作用似乎很小。
  12. The nutrition mechanism of phosphorus efficient arabidopsis might be attributed to longer root, higher ratio of root to shoot, more phosphorus accumulation, and higher activity of acid phosphatase at phosphorus deficiency

    在低磷脅迫條件下，磷高效的擬南芥幼苗比磷低效的擬南芥幼苗具有較長的主根，較大的根冠比值，較高的含磷量和磷積累量，較強的酸性磷酸酯酶活性，是其磷高效的可能機理。
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