EFECTO DEL NITRÓGENO Y LA IRRADIANZA EN LA EFICIENCIA FOTOSINTÉTICA DEL ANAMÚ PETIVERIA ALLIACEA (PHYTOLACCACEAE)

Juan Manuel Pérez Asseff; Enrique Javier Peña Salamanca; Celina Torres González

doi:10.18257/raccefyn.31(118).2007.2306

Vol. 31 No. 118 (2007), Natural Sciences

Vol. 31 No. 118 (2007)

EFFECT OF NI TROGEN AND SOLAR RADIATION ON THE PHOTOSYNTHETIC EFFICIENCY OF CHE ANAMU PETFRERIA ALLIACEA (PHYTOLACCACEAE)

Natural Sciences

https://doi.org/10.18257/raccefyn.31(118).2007.2306

Published 2023-12-02

Juan Manuel Pérez Asseff⁺⁻
Enrique Javier Peña Salamanca⁺⁻
Celina Torres González⁺⁻

Juan Manuel Pérez Asseff

Departamento de Biología, Facultad de Ciencias, Universidad del Valle A.A.

Enrique Javier Peña Salamanca

Departamento de Biología, Facultad de Ciencias, Universidad del Valle A.A.

Celina Torres González

Departamento de Biología, Facultad de Ciencias, Universidad del Valle

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How to Cite

Pérez Asseff, J. M., Peña Salamanca, E. J., & Torres González, C. (2023). EFFECT OF NI TROGEN AND SOLAR RADIATION ON THE PHOTOSYNTHETIC EFFICIENCY OF CHE ANAMU PETFRERIA ALLIACEA (PHYTOLACCACEAE). Revista De La Academia Colombiana De Ciencias Exactas, Físicas Y Naturales, 31(118), 49–55. https://doi.org/10.18257/raccefyn.31(118).2007.2306

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Abstract

The effect of nitrogen availability and different light regimes on the chlorophyll fluorescence and photosynthetic efficiency were evaluated in plants of Anamú (Petiveria alliacea, Phytolachaceae). Chl-fluorescence in plants responded negatively with increased irradiance and lower nitrogen supply. Photochemical efficiency of photosystem II (Fv/Fm) was greater in shaded plants as well as in treatments with higher nitrogen supply. Photosynthesis-irradiance curves (P-I) expressed as electron transport rate (ETR) was higher in shaded plants as well as in plants exposed to lower nitrogen supply

https://doi.org/10.18257/raccefyn.31(118).2007.2306

Keywords

Fluorescence | photosynthesis | stress | nitrogen | irradiance

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