한국초지조사료학회지 (Journal of The Korean Society of Grassland and Forage Science)

  • 제43권3호
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  • Pages.177-182
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  • 2023
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  • 2287-5824(pISSN)
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  • 2287-5832(eISSN)
한국초지조사료학회 (The Korean Society of Grassland and Forage Science)
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LED Light Quality Protects Iron Deficiency and Improves Photosynthesis and Biomass Yield in Alfalfa (Medicago sativa L.)

  • Ki-Won Lee (Grassland and Forage Division, National Institute of Animal Science, RDA) ;
  • Sang-Hoon Lee (Grassland and Forage Division, National Institute of Animal Science, RDA) ;
  • Yowook Song (Grassland and Forage Division, National Institute of Animal Science, RDA) ;
  • Yowook Song (Grassland and Forage Division, National Institute of Animal Science, RDA) ;
  • Jae Hoon Woo (Grassland and Forage Division, National Institute of Animal Science, RDA) ;
  • Bo Ram Choi (Grassland and Forage Division, National Institute of Animal Science, RDA) ;
  • Md Atikur Rahman (Grassland and Forage Division, National Institute of Animal Science, RDA)
  • 투고 : 2023.09.18
  • 심사 : 2023.09.26
  • 발행 : 2023.09.30
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초록

Iron (Fe) is a vital element for plants and other organisms, involving in several physiological processes including respiration, chlorophyll biosynthesis, and photosynthesis. Unfortunately, how Fe accumulation regulates in response to light quality has not been well established in plants. Therefore, the aim of the study was to explore the mechanism of Fe homeostasis by light quality. In this study, we found morpho-physiological attributes were significantly improved in response to blue (λmax: 450) compared to white (λmax: 500) and red (λmax: 660) light. The root-shoot length, plant biomass, photosynthesis efficiency (Fv/Fm) and leafgreen (SPAD) significantly declined in response to white and red light. However, these parameters were improved and iron deficiency was substantially alleviated by blue light exposure in alfalfa seedlings. This study might be useful to the forage breeders and farmers for improving alfalfa yield and nutritional benefits.

키워드

과제정보

This study was supported by the RDA Fellowship Program of National Institute of Animal Science, and Cooperative Research Program for Agriculture Science and Technology Development (Project No. PJ01592501), Rural Development Administration, Republic of Korea.

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