Optimal light intensity for sustainable water and energy use in indoor cultivation of lettuce and basil under red and blue LEDs

• Published in: Scientia horticulturae Vol. 272; p. 109508
• Main Authors: Pennisi, Giuseppina, Pistillo, Alessandro, Orsini, Francesco, Cellini, Antonio, Spinelli, Francesco, Nicola, Silvana, Fernandez, Juan A., Crepaldi, Andrea, Gianquinto, Giorgio, Marcelis, Leo F.M.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.10.2020
• Subjects: antioxidant activity; basil; biomass production; blue light; carbon dioxide; Daily Light Integral (DLI); electricity; energy; Energy Use Efficiency (EUE); flavonoids; Lactuca sativa; lettuce; light intensity; Light Use Efficiency (LUE); Ocimum basilicum; phenolic compounds; photons; photosynthesis; Photosynthetic Photon Flux Density (PPFD); plant development; Plant factory with artificial lighting (PFALs); stomatal conductance; water use efficiency; Water Use Efficiency (WUE); Energy Use Efficiency (EUE); Daily Light Integral (DLI); Light Use Efficiency (LUE); Plant factory with artificial lighting (PFALs); Photosynthetic Photon Flux Density (PPFD); Water Use Efficiency (WUE)

•Optimal LED light intensity for lettuce and basil indoor growing is addressed;•Maximum yield and leaf area is achieved at 250 μmol m-2 s-1;•250 μmol m-2 s-1 increased chlorophyll and improved stomatal functions in leaves;•In lettuce, PPFD ≥ 200 μmol m-2 s-1 raised antioxidant capacity, phenolics an...