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Effect of Light Quality on Growth and Vegetable Quality in Leaf Lettuce, Spinach and Komatsuna

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OHASHI-KANEKO, Keiko, TAKASE, Masahide, KON, Noya, FUJIWARA, Kazuhiro, KURATA, Kenji·2007·Environment Control in Biology

Abstract

The effects of light quality on biomass and internal quality of leaf lettuce, spinach and komatsuna were examined. The plants were grown hydroponically in an environmentally controlled room with a 12-h light period and under a light/dark temperature of 20±1°C/18±1°C and a photosynthetic photon flux density (PPFD) of 300 μmol m-2 s-1 under four light quality treatments, i.e., red light from red fluorescent lamps (R) or blue light from blue fluorescent lamps (B) or a mixture of R and B (RB) or white light from white fluorescent lamps (W). The irradiation of R compared with W increased shoot dry weight in komatsuna and decreased the nitrate content in spinach. Irradiation of B or RB compared with W increased the L-ascorbic acid content in leaf lettuce and komatsuna and decreased the nitrate content in leaf lettuce. Irradiation of B was not suitable for the spinach cultivation due to an extremely decreased shoot dry weight although the carotenoid content was slightly increased. Our data show that controlling light quality is useful to achieve higher productivity or higher nutritional quality of the commercial crops even under limited light intensity in controlled-environment agricultural facilities although the effective light quality treatment differs depending on the plant species.

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Metadata

Authors
OHASHI-KANEKO, K., TAKASE, M., KON, N., FUJIWARA, K., & KURATA, K.
Venue
Environment Control in Biology
Published
2007
Volume
45
Issue
3
Pages
189-198
ISSN
  • 1880-554X (ISSN-L)
  • 1883-0986
OpenAlex
W2006362773
Cited by
301
References
19
FWCI
1.93
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Effect of Light Quality on Growth and Vegetable Quality in Leaf Lettuce, Spinach and Komatsuna. https://app.cochat.ai/papers/10.2525/ecb.45.189
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OHASHI-KANEKO, K., TAKASE, M., KON, N., FUJIWARA, K., & KURATA, K. (2007). Effect of Light Quality on Growth and Vegetable Quality in Leaf Lettuce, Spinach and Komatsuna. Environment Control in Biology. https://doi.org/10.2525/ecb.45.189

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