Effect of Red or Blue Resin Added to Greenhouse Covering Films on Growth of Tomato and Pepper

적색 및 청색 수지 첨가 피복재가 토마토와 고추의 생육에 미치는 영향

  • 권준국 (국립원예특작과학원 시설원예시험장) ;
  • 조명환 (국립원예특작과학원 시설원예시험장) ;
  • 강윤임 (국립원예특작과학원 시설원예시험장) ;
  • 박경섭 (국립원예특작과학원 시설원예시험장) ;
  • 우종규 (국립원예특작과학원 시설원예시험장)
  • Received : 2010.11.12
  • Accepted : 2010.12.22
  • Published : 2010.12.31

Abstract

Spectral irradiance of greenhouse covering films that three resins (red, blue, red plus blue) were added to get higher utilization efficiency of sunlight were compared to the normal film in this study. Growth and yield of tomato and pepper grown under the films were also investigated. Transmittance of PAR (photosynthetically active radiation, 400~700 nm) and sunlight (300~1,100 nm) of red or blue resin-added films increased by 5 to 6% and 0.5 to 1.0%, respectively. As compared to the normal film, fruit yield and soluble solid content of tomato and pepper grown under red plus blue resin-added film increased by 15 to 20% and by $0.5^{\circ}Bx$.

플라스틱하우스 피복재의 광 이용효율을 높이기 위해 제조과정에 적색, 청색, 적색+청색 수지를 추가로 첨가하여 제조한 필름을 피복한 시설 내에서 토마토와 고추를 재배하였으며 시설 내 광 환경 변화와 작물의 생육, 수량 등을 조사하였다. 대체로 일반필름에 비하여 적색 및 청색 수지를 첨가한 필름에서 광합성유효복사의 투과량이 5~6% 많았고, 300~1,100nm의 광투과율은 0.5~1.0% 높게 나타났다. 피복재 중에는 적색+청색 혼합수지 첨가필름에서 토마토와 고추의 건물중이 높게 나타났고 일반필름에 비해 과실수량이 15~20% 많았으며 과실 당도도 약 $0.5^{\circ}Bx$. 높았다.

Keywords

References

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