Iluminación LED y fluorescente en el crecimiento vegetativo de dos cultivares de Lactuca sativa L. en San Martín de Porres, Lima
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Date
2022
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Universidad Nacional de Trujillo
Abstract
El presente trabajo de investigación se realizó en el distrito de San Martin de Porres, Lima; durante marzo del 2021, teniendo como objetivo evaluar el efecto de la iluminación LED y fluorescente en el crecimiento vegetativo de dos cultivares de Lactuca sativa L., para ello se utilizaron tres tipos de luz, LED rojo + azul (R x B), LED rojo (R), fluorescente y dos variedades de lechuga White Boston y Great Lakes; se usó un diseño completamente al azar con arreglo factorial 3x2 con 4 repeticiones y se evaluó parámetros como altura de planta, numero de hojas, diámetro planta a los 8, 12 y 18 días después del trasplante (ddt) y la calidad de planta 66 ddt; los datos se sometieron a un análisis de varianza (ANVA) y a la prueba Tukey (0.05) para determinar el efecto de los tratamientos. Los resultados concluyeron que la iluminación led afecta el crecimiento vegetativo de los dos cultivares de Lactuca sativa L. También que bajo luz led roja + azul ambas variedades presentan mayor número de hojas que bajo luz fluorescente y mayor diámetro de planta que bajo luz led roja y bajo luz fluorescente se reduce la altura de planta de la variedad Boston. Otra respuesta fue que bajo la luz fluorescente ambas variedades presentaron la mejor calidad de planta.
ABSTRACT This research work was carried out in the district of San Martin de Porres, Lima; during March 2021, with the objective of evaluating the effect of LED and fluorescent lighting on the vegetative growth of two Lactuca sativa L. cultivars, for which three types of light were used, red + blue LED (R x B), LED red (R), fluorescent and two varieties of lettuce White Boston and Great Lakes; a completely randomized design with a 3x2 factorial arrangement with 4 repetitions was used and parameters such as plant height, number of leaves, plant diameter at 8, 12 and 18 days after transplantation (ddt) and plant quality 66 ddt were evaluated. ; the data was subjected to an analysis of variance (ANVA) and the Tukey test (0.05) to determine the effect of the treatments. The results concluded that LED lighting affects the vegetative growth of the two cultivars of Lactuca sativa L. Also, under red + blue LED light, both varieties have a greater number of leaves than under fluorescent light and a greater plant diameter than under red and blue LED light. under fluorescent light the plant height of the Boston variety is reduced. Another answer was that under fluorescent light both varieties had the best plant quality.
ABSTRACT This research work was carried out in the district of San Martin de Porres, Lima; during March 2021, with the objective of evaluating the effect of LED and fluorescent lighting on the vegetative growth of two Lactuca sativa L. cultivars, for which three types of light were used, red + blue LED (R x B), LED red (R), fluorescent and two varieties of lettuce White Boston and Great Lakes; a completely randomized design with a 3x2 factorial arrangement with 4 repetitions was used and parameters such as plant height, number of leaves, plant diameter at 8, 12 and 18 days after transplantation (ddt) and plant quality 66 ddt were evaluated. ; the data was subjected to an analysis of variance (ANVA) and the Tukey test (0.05) to determine the effect of the treatments. The results concluded that LED lighting affects the vegetative growth of the two cultivars of Lactuca sativa L. Also, under red + blue LED light, both varieties have a greater number of leaves than under fluorescent light and a greater plant diameter than under red and blue LED light. under fluorescent light the plant height of the Boston variety is reduced. Another answer was that under fluorescent light both varieties had the best plant quality.
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Keywords
Iluminación LED, Fluorescente, Lechuga, Iluminación artificial, Luz roja