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Light Intensity Effects on Productivity and Post-Harvest Quality in Perilla frutescens Cultivated in CEA

Author

Listed:
  • Akvilė Viršilė

    (Lithuanian Research Centre for Agriculture and Forestry, Kėdainiai 58344, Lithuania)

  • Ieva Gudžinskaitė

    (Lithuanian Research Centre for Agriculture and Forestry, Kėdainiai 58344, Lithuania)

  • Kristina Laužikė

    (Lithuanian Research Centre for Agriculture and Forestry, Kėdainiai 58344, Lithuania)

  • Gediminas Kudirka

    (Lithuanian Research Centre for Agriculture and Forestry, Kėdainiai 58344, Lithuania)

  • Audrius Pukalskas

    (Lithuanian Research Centre for Agriculture and Forestry, Kėdainiai 58344, Lithuania)

  • Giedrė Samuolienė

    (Lithuanian Research Centre for Agriculture and Forestry, Kėdainiai 58344, Lithuania)

Abstract

Leafy vegetables, mainly lettuces, are currently the main crop cultivated in controlled environment agriculture (CEA), including vertical farming and plant factories. There is a rising demand to expand this portfolio with a wider variety of underutilized edible plants containing various bioactive compounds and sensory properties seeking to enrich human diets. However, the optimal cultivation conditions for these underutilized plants significantly differ from those optimized for lettuce, basil, and other popular CEA crops. Therefore, this study aims to explore the impacts of light-emitting diode (LED) lighting intensity (photosynthetic photon flux density, PPFD) on green leaf Perilla frutescens cultivated in CEA. Plants were grown under four levels of LED lighting PPFDs from 150 to 300 µmol m −2 s −1 for 4 weeks. Plant biomass productivity, soluble sugar contents, antioxidant properties (DPPH, ABTS free radical scavenging activities, FRAP antioxidant power), and total contents of phenolic compounds in leaves were evaluated at harvesting time. Further, harvested plant material was stored in the dark, at +6 °C, and the water content, water loss and transpiration rate, leaf sugar contents, and antioxidant properties were monitored 1, 3, and 5 days after harvesting. The summarized data suggest that higher cultivation lighting PPFD results in better harvest quality preservation during post-harvest storage.

Suggested Citation

  • Akvilė Viršilė & Ieva Gudžinskaitė & Kristina Laužikė & Gediminas Kudirka & Audrius Pukalskas & Giedrė Samuolienė, 2024. "Light Intensity Effects on Productivity and Post-Harvest Quality in Perilla frutescens Cultivated in CEA," Agriculture, MDPI, vol. 14(11), pages 1-13, November.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:11:p:2079-:d:1523920
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    References listed on IDEAS

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    1. Katzin, David & Marcelis, Leo F.M. & van Mourik, Simon, 2021. "Energy savings in greenhouses by transition from high-pressure sodium to LED lighting," Applied Energy, Elsevier, vol. 281(C).
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