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Revista Chapingo serie ciencias forestales y del ambiente
versión On-line ISSN 2007-4018versión impresa ISSN 2007-3828
Resumen
RAYA-PEREZ, J. Carlos et al. Mineral and chlorophyll content of the Psittacanthus calyculatus (DC) G. Don hemiparasitic plant and four host trees. Rev. Chapingo ser. cienc. for. ambient [online]. 2014, vol.20, n.1, pp.109-117. ISSN 2007-4018. https://doi.org/10.5154/r.rchscfa.2013.06.017.
We collected leaves from the Psittacanthus calyculatus hemiparasitic plant and Salix taxifolia, Ulmus divaricate, Fraxinus uhdei y Prosopis laevigata host trees, to understand and compare the contents of Mg, Al, Si, P, S, K, Ca, chlorophyll and protein. Analyses were performed with a scanning electron microscope (SEM) equipped with an energy dispersive X-ray spectrometer (EDS). The results showed that the hemiparasitic plant accumulated (at least twice) more K compared to its host trees, indicating that the hemiparasitic plant use an active mechanism to achieve this accumulation. According to the statistical analysis (P = 0.05), U. divaricate is the species that accumulates more S, Si and Ca. Mg content was also higher in U. divaricate, but was statistically similar (P = 0.05) than in the hemiparasitic plant. P content was similar (P = 0.05) in both P. calyculatus and their host trees. Fraxinus uhdei accumulated more C than the rest of the species. Chlorophyll content was higher in F. uhdei and S. taxifolia, while P. laevigata had the lowest content. P. calyculatus leaves had high protein content (21 %).
Palabras llave : Transpirational flow; mineral composition; stomata; mineral nutrition.