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|Title:||C: N: P stoichiometry and specific growth rate of clover colonized by arbuscular mycorrhizal fungi|
|Citation:||Plant and Soil: international journal on plant-soil relationships, 2010; 326(1-2 Sp Iss):21-29|
|Publisher:||Kluwer Academic Publ|
|M. M. Chen, H. B. Yin, P. O’Connor, Y. S. Wang and Y. G. Zhu|
|Abstract:||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.|
C: N: P stoichiometry
Guanidinium isothiocyanate (GITC) method
|Appears in Collections:||Aurora harvest|
Earth and Environmental Sciences publications
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