Record ID No. |
2864 |
Author(s) |
Chen M M., Yin H B., O , 2010 |
Affiliation |
Department of Soil Environmental Science, Research Center for Eco-Environmental Sciences, The Chinese Academy of Sciences, 18 Shuangqing Road, Beijing 100085, China. chenmeim@mails.gucas.ac.cn; yinbin0808@163.com; patrick.oconnor@adelaide.edu.au; youshanw |
Title |
C:N:P stoichiometry and specific growth rate of clover colonized by arbuscular mycorrhizal fungi |
Source. Vol.(no):Page |
Plant and Soil 326(1/2): 21-29p. |
Categories |
Arbuscular Mycorrhiza |
Subjects |
Biochemistry |
Sub-subjects |
Miscellaneous |
Host |
Trifolium repens |
Organism |
AMF |
Country |
The Netherlands, Europe |
Abstracts |
Ecological stoichiometry has been widely applied in aquatic ecosystems, but has limited implications in terrestrial ecosystems. The pot experiments with Trifolium repens L. were conducted to demonstrate the relations between C:N:P, biological components and growth rate of clover colonized by arbuscular mycorrhizal (AM) fungi. The results showed that for mycorrhizal clover, N, P concentrations increased with increasing growth rate, in support of the Growth Rate Hypothesis (GRH). Mycorrhizal clover had higher P and RNA concentrations than non-mycorrhizal clover, indicating that the increase in P concentration would invest more RNA to meet the synthesis of protein. Results also indicated that the increase in N concentration with rapid growth rate may be attributed to the increase in the concentration of protein N. Underlying mechanisms driving the association of C:N:P with growth rate for symbiotic partners should help elucidate the allocation of major nutrients to cellular organs and trophic dynamics in terrestrial ecosystems. |