Journal of Practical Agriculture & Fisheries Research (현장농수산연구지)

Korea National University of Agriculture and Fisheries (국립한국농수산대학교 교육개발센터)
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Study of Paprika Growth Characteristic on Covering Selective Light Transmitting Filter in Greenhouse

선택적 광 투과에 따른 파프리카 생육특성 연구

  • Kang, D.H. (Department of General Education, Korea National College of Agriculture and Fisheries) ;
  • Kim, D.E. (Department of General Education, Korea National College of Agriculture and Fisheries) ;
  • Lee, J.W. (Department of Horticulture Environment System, Korea National College of Agriculture and Fisheries) ;
  • Hong, S.J. (Department of General Education, Korea National College of Agriculture and Fisheries)
  • 강동현 (국립한국농산대학 교양공통과) ;
  • 김동억 (국립한국농산대학 교양공통과) ;
  • 이종원 (국립한국농산대학 원예환경시스템학과) ;
  • 홍순중 (국립한국농산대학 교양공통과)
  • Received : 2021.04.28
  • Accepted : 2021.06.11
  • Published : 2021.06.28
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Abstract

This study aimed to a basic research for the development of dye-sensitized solar cells that the wavelength band required for crop growth is passed, and the wavelength band that is not necessary for crop growth can be used for the generation of electricity. The transmissivity according to the illuminance was about 10% higher in the Blue filter and the Green filter than in the Red filter, but the transmissivity according to the PPFD was about 10% higher in the Red filter and the Blue filter than in the Green filter. In addition, the greenhouse attached with 30% infrared blocking filter was predicted to have a lower air temperature than other greenhouses, but it was investigated that there was no significant difference. Therefore, it was investigated that the application of the infrared cut filter would not be appropriate in a greenhouse that controls the temperature by opening a window. As a result of investigating, it was found that the Green and Blue filter greenhouses had the severe overgrowth and the stems grew weaker. The fresh weight of paprika in the infrared blocking filter greenhouse was the highest at 678.9g, and the growth of Red filter and the control greenhouses was relatively poor. Photosynthetic rate, amount of transpiration, and stomatal conductivity were the infrared blocking filter and control greenhouse higher than others. On the other hand, the water use efficiency did not show a big difference.

태양광에서 작물의 생육에 필요한 파장대역은 통과시키고, 필요하지 않은 파장대역은 발전에 이용할 수 있는 염료감응전지 개발을 위한 기초연구로 선택적 광투과에 따른 온실 환경 및 생육을 조사한 결과를 요약하면 다음과 같다. 조도 기준 투과율은 Blue필터 및 Green필터가 Red필터에 비하여 10%이상 높은 것으로 조사되었으나, 광량자속밀도 기준 투과율은 Red 필터 및 Blue필터가 Green필터에 비하여 10%이상 높은 것으로 조사되었다. 또한 적외선 30% 차단 필터 부착 온실은 다른필터 부착온실보다 온도가 낮을 것으로 예측하였으나, 큰 차이가 발생하지 않은 것으로 조사되어 창을 열어 제어하는 온실에서 열차단 필터의 적용은 적절하지 않을 것으로 판단되었다. 선택적 광투과 모형온실에서 재배한 파프리카의 생육을 조사한 결과 Green과 Blue필터 온실에서 파프리카의 도장정도가 가장 심하고 줄기가 연약하게 자라는 특성이 나타났지만, 적외선차단 필터 온실에서 파프리카 식물체의 생체중이 678.9g으로 가장 높았으며, Red필터와 대조구 온실은 상대적으로 그 생육이 저조한 것으로 조사되었다. 광합성 속도, 증산률, 기공전도도 모두 적외선차단필터 시험구와 대조구에서 높고 나머지 시험구에서 낮은 결과를 보였다. 반면에 수분이용효율은 시험구간에서 큰 차이를 보이지 않았다.

Keywords

References

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