Chlorophyll fluorescence emission as a response of pulsed light based-leds in tomato plants

The effects of pulsed light based-LEDs at eleven frequencies (0.1, 1, 10, 50, 100, 500 Hz, 1, 5, 10, 50 and 100 kHz) programmed at 50 % duty cycle were analyzed, obtaining important parameters of the fluorescence emission of chlorophyll such as: maximum fluorescence (Fm0), minimum fluorescence, the...

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Detalhes bibliográficos
Autores: Olvera González, Ernesto, Alaniz Lumbreras, Daniel, Ivanov, Rumen, Villa Hernández, José de Jesús, De la Rosa Vargas, José Ismael, López Cruz, Irineo, Silos Espino, Héctor, Lara Herrera, Alfredo
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2013
País:México
Recursos:Universidad Autónoma de Zacatecas
Repositorio:Repositorio Institucional Caxcán
Idioma:inglés
OAI Identifier:oai:http://ricaxcan.uaz.edu.mx:20.500.11845/1677
Acesso em linha:http://ricaxcan.uaz.edu.mx/jspui/handle/20.500.11845/1677
https://doi.org/10.48779/eezs-nd58
Access Level:acceso abierto
Palavra-chave:INGENIERIA Y TECNOLOGIA [7]
Chlorophyll fluorescence
Pulsed light, LEDs
Growth plants
Descrição
Resumo:The effects of pulsed light based-LEDs at eleven frequencies (0.1, 1, 10, 50, 100, 500 Hz, 1, 5, 10, 50 and 100 kHz) programmed at 50 % duty cycle were analyzed, obtaining important parameters of the fluorescence emission of chlorophyll such as: maximum fluorescence (Fm0), minimum fluorescence, the fluorescence emission in steady state, maximum efficiency of PSII (Fv0/Fm0), the fraction of PSII centers that are open, photochemical quenching, nonphotochemical quenching (NPQ), quantum efficiency of photosystem II (UPSII), electron transport rate (ETR) and quantum yield of CO2 assimilation (/CO2). For the study and validation of the results obtained in the experiments, the analysis of variance (ANOVA) was applied 0for each parameter with confidence intervals of 95 %.

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