Kuvaus

Year-round greenhouse production in northern latitudes depends on the use of artificial lighting. Light emitting diodes provide a promising means to save energy during cultivation as well as to modify the light spectrum to regulate the growth and quality of the crop. We compared the effects of light emitting diode lighting with different spectral compositions on the growth, development and nutritional quality of lettuce (Lactuca sativa L. ‘Frillice’). We show that warm-white and warm-white supplemented with blue spectra provide equal growth and product quality compared to conventional high-pressure sodium lighting in the absence and presence of daylight. Our data indicate that for biomass accumulation, the far-red component in the light spectrum is more critical than green light or the red/blue ratio. Furthermore, we demonstrate that a red + blue spectrum increases the concentration of several vitamins in lettuce. However, biomass accumulation using this spectrum was insufficient when daylight was excluded.
Alkuperäiskielienglanti
LehtiLighting Research and Technology
Vuosikerta50
Numero6
Sivut880-893
Sivumäärä14
ISSN1477-1535
DOI - pysyväislinkit
TilaJulkaistu - lokakuuta 2018
OKM-julkaisutyyppiA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä, vertaisarvioitu

Tieteenalat

  • 213 Sähkö-, automaatio- ja tietoliikennetekniikka, elektroniikka
  • 415 Muut maataloustieteet
  • 416 Elintarviketieteet

Lainaa tätä

@article{83d7d7ffd86c482187b8e89db28d401a,
title = "Effects of LED light spectra on lettuce growth and nutritional composition",
abstract = "Year-round greenhouse production in northern latitudes depends on the use of artificial lighting. Light emitting diodes provide a promising means to save energy during cultivation as well as to modify the light spectrum to regulate the growth and quality of the crop. We compared the effects of light emitting diode lighting with different spectral compositions on the growth, development and nutritional quality of lettuce (Lactuca sativa L. ‘Frillice’). We show that warm-white and warm-white supplemented with blue spectra provide equal growth and product quality compared to conventional high-pressure sodium lighting in the absence and presence of daylight. Our data indicate that for biomass accumulation, the far-red component in the light spectrum is more critical than green light or the red/blue ratio. Furthermore, we demonstrate that a red + blue spectrum increases the concentration of several vitamins in lettuce. However, biomass accumulation using this spectrum was insufficient when daylight was excluded.",
keywords = "213 Electronic, automation and communications engineering, electronics, 415 Other agricultural sciences, 416 Food Science",
author = "Hyt{\"o}nen, {Timo Petteri} and Paulo Pinho and Marja Rantanen and Kariluoto, {Maria Susanna} and Anna-Maija Lampi and Edelmann, {Johanna Minnamari} and K. Joensuu and K Kauste and Katriina Mouhu and Piironen, {Vieno Irene} and Liisa Halonen and Elomaa, {Paula Riitta}",
year = "2018",
month = "10",
doi = "10.1177/1477153517701300",
language = "English",
volume = "50",
pages = "880--893",
journal = "Lighting Research and Technology",
issn = "1477-1535",
publisher = "SAGE SCIENCE PRESS (UK)",
number = "6",

}

Effects of LED light spectra on lettuce growth and nutritional composition. / Hytönen, Timo Petteri; Pinho, Paulo; Rantanen, Marja; Kariluoto, Maria Susanna; Lampi, Anna-Maija; Edelmann, Johanna Minnamari; Joensuu, K.; Kauste, K ; Mouhu, Katriina; Piironen, Vieno Irene; Halonen, Liisa; Elomaa, Paula Riitta.

julkaisussa: Lighting Research and Technology, Vuosikerta 50, Nro 6, 10.2018, s. 880-893.

Tutkimustuotos: ArtikkelijulkaisuArtikkeliTieteellinenvertaisarvioitu

TY - JOUR

T1 - Effects of LED light spectra on lettuce growth and nutritional composition

AU - Hytönen, Timo Petteri

AU - Pinho, Paulo

AU - Rantanen, Marja

AU - Kariluoto, Maria Susanna

AU - Lampi, Anna-Maija

AU - Edelmann, Johanna Minnamari

AU - Joensuu, K.

AU - Kauste, K

AU - Mouhu, Katriina

AU - Piironen, Vieno Irene

AU - Halonen, Liisa

AU - Elomaa, Paula Riitta

PY - 2018/10

Y1 - 2018/10

N2 - Year-round greenhouse production in northern latitudes depends on the use of artificial lighting. Light emitting diodes provide a promising means to save energy during cultivation as well as to modify the light spectrum to regulate the growth and quality of the crop. We compared the effects of light emitting diode lighting with different spectral compositions on the growth, development and nutritional quality of lettuce (Lactuca sativa L. ‘Frillice’). We show that warm-white and warm-white supplemented with blue spectra provide equal growth and product quality compared to conventional high-pressure sodium lighting in the absence and presence of daylight. Our data indicate that for biomass accumulation, the far-red component in the light spectrum is more critical than green light or the red/blue ratio. Furthermore, we demonstrate that a red + blue spectrum increases the concentration of several vitamins in lettuce. However, biomass accumulation using this spectrum was insufficient when daylight was excluded.

AB - Year-round greenhouse production in northern latitudes depends on the use of artificial lighting. Light emitting diodes provide a promising means to save energy during cultivation as well as to modify the light spectrum to regulate the growth and quality of the crop. We compared the effects of light emitting diode lighting with different spectral compositions on the growth, development and nutritional quality of lettuce (Lactuca sativa L. ‘Frillice’). We show that warm-white and warm-white supplemented with blue spectra provide equal growth and product quality compared to conventional high-pressure sodium lighting in the absence and presence of daylight. Our data indicate that for biomass accumulation, the far-red component in the light spectrum is more critical than green light or the red/blue ratio. Furthermore, we demonstrate that a red + blue spectrum increases the concentration of several vitamins in lettuce. However, biomass accumulation using this spectrum was insufficient when daylight was excluded.

KW - 213 Electronic, automation and communications engineering, electronics

KW - 415 Other agricultural sciences

KW - 416 Food Science

U2 - 10.1177/1477153517701300

DO - 10.1177/1477153517701300

M3 - Article

VL - 50

SP - 880

EP - 893

JO - Lighting Research and Technology

JF - Lighting Research and Technology

SN - 1477-1535

IS - 6

ER -