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| Shoot and Root Architectural Variance and Adaptability of Tamarix ramosissima in Different Ages |
| Li Changjun1,2,3, Guo Jingheng1,2, Zeng Fanjiang1, Refkat1, Guo Zichun1,2 |
1. Cele National Field Science Observation and Research Station of Desert Grassland Ecosystem/Key Laboratory of Biogeography and Bioresource in Arid Land/State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. College of Resources and Environment Science, Xinjiang University, Urumqi 830046, China |
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Abstract Although the importance of plant architecture was underscored on plants adaptation to environment, little attention was paid on it while doing plant research. Here, field sampling and investigation were taken to show both the shoot and root architectural plasticity of Tamarix ramosissima of different ages. The results showed that T. ramosissima of different ages performed significant differences on shoot and root structure. Young individuals possessed smaller branch bifurcation ratio, shorter first order branch and coarser branch diameter which benefitted to their adaption to drought and wind stress. The root bifurcation ratio, average linking length, length and diameter of different orders increased significantly by ages, suggesting that there's a certain tradeoff of carbon consumption and distribution strategy among T. ramosissima individuals of different ages. Roots of all T. ramosissima individuals formed a herringbone pattern, and the topological parameters of T. ramosissima in different age didn't differ much.
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Received: 30 December 2013
Published: 20 March 2015
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2015, Vol. 35 
