In Vitro Growth Responses of Ornamental Bananas (Musa sp.) as Affected by Light Sources

Light-emitting diodes (LEDs) have become very popular for the production of horticultural crops. LEDs represent an alternative lighting source to regular fluorescent (FL) bulbs, increasing the quality of plants and minimizing production costs. LEDs also provide selective light intensity and quality,...

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Bibliographic Details
Published in:Horticulturae 2022-02, Vol.8 (2), p.92
Main Authors: Vendrame, Wagner A., Feuille, Cassandre, Beleski, David, Bueno, Paulo Mauricio Centenaro
Format: Article
Language:English
Subjects:
Baby foods
banana
Bananas
Biomass
Chlorophyll
Crop production
Digital cameras
Fluorescence
Fluorescent lighting
Fruits
Genotypes
Horticultural crops
leaf anatomy
Leaves
Light emitting diodes
Light intensity
Light quality
Light sources
Luminous intensity
Micropropagation
Morphology
Plant growth
plant growth and development
Plantlets
Production costs
Roots
Shoots
Statistical analysis
Stomata
Variance analysis
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Summary:Light-emitting diodes (LEDs) have become very popular for the production of horticultural crops. LEDs represent an alternative lighting source to regular fluorescent (FL) bulbs, increasing the quality of plants and minimizing production costs. LEDs also provide selective light intensity and quality, suitable for commercial micropropagation. The objective of this study was to evaluate the growth and development of in vitro ornamental bananas under different light sources. Two ornamental banana varieties were selected for this study: Musa ‘Little Prince’ and Musa ‘Truly Tiny’. Light quality and intensity of three different light sources were evaluated: LED-1 (116 μmol m−2 s−1), LED-2 (90 μmol m−2 s−1), and FL (100 μmol m−2 s−1). Length and biomass of plantlets were greater under LED-1 compared to FL but not significantly different from LED-2. The fresh and dry weight of shoots and roots, number of leaves, and number and length of roots were not significantly different between treatments. Chlorophyll content was greater under LEDs. Leaf number and stomata number and size were greater under FL. Our results indicate that shoot length and biomass could be improved by optimizing light quality and intensity. Different responses to light sources between the two banana varieties also indicated a genotype effect.
ISSN:2311-7524
2311-7524
DOI:10.3390/horticulturae8020092