생물환경조절학회지 (Journal of Bio-Environment Control)

  • 제25권1호
  • /
  • Pages.57-62
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  • 2016
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  • 1229-4675(pISSN)
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  • 2765-3641(eISSN)
한국생물환경조절학회 (The Korean Society for Bio-Environment Control)
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야간 적색 LED 처리가 'Fuji'/M.26 사과나무의 광합성, 영양생장 및 과실 품질에 미치는 영향

Influence of Red LED Treatment on Photosynthesis, Vegetative Growth and Fruit Quality in 'Fuji'/M.26 Apple Trees during Night

  • 권헌중 (국립원예특작과학원 사과연구소) ;
  • 박무용 (국립원예특작과학원 사과연구소) ;
  • 송양익 (국립원예특작과학원 사과연구소) ;
  • 강석범 (국립원예특작과학원 감귤연구소) ;
  • 사공동훈 (대구대학교 원예학과)
  • Kweon, Hun-Joong (Apple Research Institute, National Institute of Horticulture and Herbal Science, Rural Development Administration) ;
  • Park, Moo-Yong (Apple Research Institute, National Institute of Horticulture and Herbal Science, Rural Development Administration) ;
  • Song, Yang-Yik (Apple Research Institute, National Institute of Horticulture and Herbal Science, Rural Development Administration) ;
  • Kang, Seok-Beom (Citrus Research Institute, National Institute of Horticulture and Herbal Science, Rural Development Administration) ;
  • Sagong, Dong-Hoon (Department of Horticulture, Daegu University)
  • 투고 : 2016.01.04
  • 심사 : 2016.01.29
  • 발행 : 2016.03.31
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초록

본 실험은 일몰 후 밤 동안의 적색 LED(light emitting diode) 처리가 성목기 '후지'/M.26 사과나무의 광합성, 영양생장 및 과실품질에 미치는 영향을 구명하고자 실시하였다. 적색 LED 처리구의 주간 광합성속도, 기공전도도 및 증산속도는 무처리구와 차이가 없었다. 그러나 적색 LED 처리구의 야간 기공전도도와 증산속도는 무처리구보다 낮았고, 일몰 후 밤 동안의 적색 LED 처리는 야간 광합성을 유도하지 않았다. 잎의 특성에 있어서는, 적색 LED 처리는 잎의 면적과 C/N율을 증가시켰으나 잎의 SPAD값은 감소시켰다. 과대지의 길이는 적색 LED 처리구가 무처리구보다 짧았다. 과실의 특성에 있어서는 적색 LED 처리는 과실의 에틸렌 발생량, 호흡속도, 가용성 고형물 함량 및 착색 정도를 증진시켰는데, 특히 착색 정도는 적색 LED 처리시간이 길수록 증가되었다. 결론적으로, '후지'/M.26 사과나무의 일몰 후 야간 적색 LED 처리는 과실의 성숙을 촉진하였다.

This study was conducted to find out the influence of red LED (Light Emitting Diode) lighting on the photosynthesis, vegetative growth and fruit quality of 'Fuji'/M.26 adult apple tree during night after sunset. The photosynthetic rate, stomatal conductance and transpiration rate at daytime of red LED treatments was not different to those of the control. However, the stomatal conductance and transpiration rate at the nighttime of red LED treatments were lower than those of the control, and the red LED lighting during night after sunset was not induce to photosynthesize at nighttime. In the leaf characteristics, the red LED lighting seemed to increase leaf area and C/N ratio, but decrease SPAD value. The bourse shoot length of the red LED treatments was shorter than that of the control. In the fruit quality, the red LED lighting seemed to increase ethylene production, respiration rate, soluble solid content and fruit red color, and especially the fruit red color tend to increase as the red LED lighting time was longer. In conclusion, the red LED lighting during night after sunset of 'Fuji'/M.26 apple tree promoted the fruit maturation.

키워드

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