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Impact of Light on Horticultural Crops

Impact of Light on Horticultural Crops

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Light is an essential factor for the growth and quality of horticultural plants and its effects depend upon parameters such as duration, intensity and quality. It is an energy source for photosynthesis as well as a signal triggering plant photomorphogenesis and physiological, biochemical and molecular responses. However, solar light strongly differs between winter and summer conditions, with excess light in open field cultivations imposing severe stress on plants, especially during summer months, while supplementary light sources are implemented in greenhouse crop production to complement natural light when it is insufficient. On the other hand, artificial lighting is used as the sole lighting source in plant factories and nurseries (i.e., healing chambers, plant tissue culture). In order to enhance sustainability and profitability, light must be studied and efficiently applied within horticultural crop production. Novel technologies such as light-emitting diodes, new transparent greenhouse covering materials, photoselective nettings, growth chambers and plant factories showcase the critical role of light interacting with plants from the level of seed germination to growth rate, product quality and postharvest storage. This Special Issue focuses on recent findings in horticultural crops with regard to light characteristics (i.e., quality, quantity etc.) presented as research papers, short communications and review articles.

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Keywords

  • adaptive lighting control
  • agrivoltaics
  • antioxidant activity
  • antioxidant capacity
  • Antioxidants
  • artificial lighting
  • Biology, Life Sciences
  • broad spectrum
  • Capparis spinosa L.
  • chlorophyll fluorescence
  • Chrysanthemum
  • Citrullus lanatus
  • crop production
  • cytokinin content
  • daily light integral
  • daily light integral (DLI) maps
  • darkness
  • deep flow technique
  • flavonol index
  • flowering
  • gas exchange
  • gibberellic acid
  • glucosinolate
  • greenhouse cover
  • greenhouse integrated PV
  • growth chamber
  • growth room
  • healing chamber
  • Hydroponics
  • indoor farming
  • Lactuca sativa var. longifolia
  • leaf colour
  • led
  • LED grow lights
  • light colour
  • light quality
  • light wavelength
  • light-emitting diode
  • light-emitting diodes
  • light-emitting diodes (LEDs)
  • Mathematics & science
  • n/a
  • net photosynthesis
  • net photosynthetic rate
  • nitrogen balance index
  • nursery
  • photomorphogenesis
  • photosynthetic capacity
  • red to blue ratio
  • Reference, information & interdisciplinary subjects
  • Research & information: general
  • root system architecture
  • rooting cuttings
  • rootstock
  • scion
  • seedling quality
  • shoot biomass
  • soaking
  • soilless culture
  • Solanum lycopersicon L.
  • stem firmness
  • supplemental light
  • supplementary light
  • Technology, engineering, agriculture
  • tipburn
  • Transplantation
  • ultraviolet
  • UV radiation
  • watercress
  • white plus red LED
  • year-round cultivation

Links

DOI: 10.3390/books978-3-0365-7399-1

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