Unraveling the Role of Red:Blue LED Lights on Resource Use Efficiency and Nutritional Properties of Indoor Grown Sweet Basil
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AuthorPennisi, Giuseppina; Blasioli, Sonia; Cellini, Antonio; Maia, Lorenzo; Crepaldi, Andrea; [et al.]
Knowledge AreaBotánicaIngeniería HidráulicaTecnologías del Medio Ambiente
SponsorsThe conduction of the experiment on plant photosynthetic efficiency has been made possible by a stay of FO within the Department of Plant Sciences, Wageningen, financed by a grant of the C. T. de Wit Graduate School for Production Ecology and Resource Conservation (PE&RC) of Wageningen University. We acknowledge Dr. E. Kaiser (WUR) and V. Jalink (Phenovation B.V., Wageningen) for their support in the implementation of the experiment on PSII quantum efficiency. We are also grateful to Prof. M. T. Rodriguez-Estrada, Dr. V. Cardenia, and Mr. S. Savioli for their technical support in GC-MS analysis.
Realizado en/conUniversidad Politécnica de Cartagena; Universidad de Bolonia; Universidad de Turín
Bibliographic CitationPennisi G, Blasioli S, Cellini A, Maia L, Crepaldi A, Braschi I, Spinelli F, Nicola S, Fernandez JA, Stanghellini C, Marcelis LFM, Orsini F and Gianquinto G (2019) Unraveling the Role of Red:Blue LED Lights on Resource Use Efficiency and Nutritional Properties of Indoor Grown Sweet Basil. Front. Plant Sci. 10:305. doi: 10.3389/fpls.2019.00305
KeywordsOcimum basilicum L
Plant factories with artificial lighting (PFALs)
Water use efficiency (WUE)
Energy use efficiency (EUE)
Land surface use efficiency (SUE)
Nutrient use efficiency (NUE)
Indoor plant cultivation can result in significantly improved resource use efficiency (surface, water, and nutrients) as compared to traditional growing systems, but illumination costs are still high. LEDs (light emitting diodes) are gaining attention for indoor cultivation because of their ability to provide light of different spectra. In the light spectrum, red and blue regions are often considered the major plants' energy sources for photosynthetic CO2 assimilation. This study aims at identifying the role played by red:blue (R:B) ratio on the resource use efficiency of indoor basil cultivation, linking the physiological response to light to changes in yield and nutritional properties. Basil plants were cultivated in growth chambers under five LED light regimens characterized by different R:B ratios ranging from 0.5 to 4 (respectively, RB0.5, Ra-1, RB2, RB3, and RB4), using fluorescent lamps as control (CK1). A photosynthetic photon flux density of 215 mu mol m(-2) s(-1) was provided ...
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