Fittonia verschaffeltii Response to Artificial Light Treatments: BIOMASS, Nutrient Concentrations and Physiological Changes

The purpose of the present study was to evaluate the effects of different light treatments on biomass, nutrient concentrations and physiological parameters of Fittonia verschaffeltii (Lem) Van Houtte. The aim was to establish a methodology to evaluate the effect of photosynthetically active radiatio...

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Bibliographic Details
Published in:Agronomy (Basel) 2020-01, Vol.10 (1), p.126
Main Authors: García-Caparros, Pedro, Almansa, Eva María, Barbero, Francisco Javier, Chica, Rosa María, Lao, María Teresa
Format: Article
Language:English
Subjects:
Acetic acid
Biochemistry
Biomass
Carotenoids
Chlorophyll
Dry weight
Efficiency
Evaluation
Fluorescent lighting
Horticulture
Humidity
Indoleacetic acid
Lamps
LEDs
Light effects
Light emitting diodes
mineral composition
Nutrient concentrations
Organic acids
Organs
Parameters
Photosynthesis
Photosynthetically active radiation
Physiological aspects
Physiological effects
Physiology
Pigments
Plant biomass
Plant growth
Power
Proline
Radiation (Physics)
Reagents
Starch
Sugar
Weight
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Summary:The purpose of the present study was to evaluate the effects of different light treatments on biomass, nutrient concentrations and physiological parameters of Fittonia verschaffeltii (Lem) Van Houtte. The aim was to establish a methodology to evaluate the effect of photosynthetically active radiation (PAR) emitted by lamps on biomass. The light treatments used were tube luminescent Dunn (TL-D), tube luminescent Dunn + light emitting diodes (LEDs) and Tube luminescent 5 (TL-5). At the end of the experimental period, biomass, nutritional, biochemical, and physiological parameters were assessed. A clear reduction in total plant dry weight under TL-D + LEDs at the end of the experiment was recorded. With respect to nutrient concentration in the different organs assessed, there was no clear response under the different light treatments. The growth under TL-D lamps resulted in the highest concentration of total soluble sugars and starch in leaves, whereas the highest value of indole 3-acetic acid concentration was under TL-5 lamps. Plants grown under TL-D + LEDs showed the lowest values of chlorophyll a, b and a + b. The relationship proposed between integrated use of spectral energy (IUSE) and total dry weight (TDW) showed a good correlation with an R2 value of 0.86, therefore we recommend this methodology to discern the effects of the different spectral qualities on plant biomass.
ISSN:2073-4395
2073-4395
DOI:10.3390/agronomy10010126