Abstract
In this paper, root-shoot relationships of seedlings of Manchurican ash (Fraxinus mandchurica) in pots is studied in green house. The results show that roots and shoots have the co-ordination of growth and roots and shoots of ash have the same growth dynamics. There are very close relationships between total root mass and total shoot mass, between fine root mass and leaf mass in this experiments. At the end growing season, ash root-shoot mass ratio and fine root-leaf mass ratio are 1.85 and 2.01 respectively. These ratios are difference during growth season. There are larger roots than shoots on seedling stage. Low nitrogen and phosphorus produce higher root-shoot ratio, and high nutrient concentrations decrease the ratios.
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This project is supported by National Natural Science Foundation of P. R. China (No.39570586)
(Responsible Editor: Chai Ruihai)
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Zhengquan, W., Yujiang, Z. & Xiufeng, T. Root-shoot relationships ofFraxinus mandchurica . Journal of Forestry Research 10, 7–10 (1999). https://doi.org/10.1007/BF02855470
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DOI: https://doi.org/10.1007/BF02855470