Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Effects of Shading Rates on Growth and Yield of Allium hookeri Cultivation at Greenhouse in Middle Area of Korea

중부지역 뿌리부추 하우스 재배 시 차광 정도가 생육 및 수량에 미치는 영향

  • Park, Eui-Kwang (Division of Horticultural Research, Chungcheongbuk-do Agricultural Research and Extension Service) ;
  • Noh, Jae-Gwan (Division of Horticultural Research, Chungcheongbuk-do Agricultural Research and Extension Service) ;
  • Lee, Min-Jeong (Division of Horticultural Research, Chungcheongbuk-do Agricultural Research and Extension Service) ;
  • Nam, Sang-Young (Division of Horticultural Research, Chungcheongbuk-do Agricultural Research and Extension Service) ;
  • Hong, Eui-Yon (Division of Horticultural Research, Chungcheongbuk-do Agricultural Research and Extension Service) ;
  • Lee, Cheol-Hee (Department of Horticultural Science, Chungbuk National University)
  • 박의광 (충북농업기술원 원예연구과) ;
  • 노재관 (충북농업기술원 원예연구과) ;
  • 이민정 (충북농업기술원 원예연구과) ;
  • 남상영 (충북농업기술원 원예연구과) ;
  • 홍의연 (충북농업기술원 원예연구과) ;
  • 이철희 (충북대학교 원예생명과학대학)
  • Received : 2016.11.11
  • Accepted : 2016.11.29
  • Published : 2016.12.31
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Abstract

Allium hookeri is used for food and medical materials in Asia. This study was carried out to elucidate the effects of shading rates on growth and quality of A. hookeri cultivation in greenhouse. Treatments were given with 35%, 55%, 75% and 95% shading rates and non-shading (Control). Photosynthesis photon flux density (PPFD) of control, 35%, 55%, 75%, and 95% shading were 792, 515, 351, 182, and $78.2{\mu}mol{\cdot}m{\cdot}s^{-1}$ respectively. The emergence ratio was 98% under non-shading, 35% and 75% shading condition, and it was 100% under 55% and 95% shading condition on April 20, 2016. These results showed no correlation between emergence rate and shading treatment. When shading net was set up inside at greenhouse, fresh weights in control, 35%, 55%, 75%, and 95% shading treatments were 1,142, 3,511, 5,936, 6,408 and 3,779kg/10a, respectively. When shading net was set up outside at greenhouse, fresh weights in control, 55%, 75%, and 95% shading treatments were 1,372, 5,442, 6,238 and 3,595kg/10a, respectively. Dry weight, percentage of dry matter, number of leavesand branches, plant height and root length in 75% shading treatment were higher than other shading treatments. From these results, we suggested that the proper shading rate in a greenhouse is 75% for A. hookeri cultivation in middle area of Korea.

본 연구는 뿌리부추를 시설하우스에서 재배할 경우 여름철 고온기 하고현상(Summer depression)을 방지하기 위하여 차광막을 하우스 내부 또는 외부에 설치하여 차광정도를 달리하면서 생육 및 수량에 미치는 영향을 조사하기 위하여 수행되었다. 2015년 하우스 내부에 무차광, 35, 55, 75, 95% 차광막을 설치하여 정식 후 20일째 되는 날에 최종 출현 정도를 조사한 결과, 무처리, 35 및 75% 차광에서 98% 출현하였고, 55 및 95% 차광에서 100% 출현하였다. 차광 정도와는 상관없이 모든 처리에서 최종 출현은 양호하였다. 하우스 내외부에 차광막을 설치했을 경우, 2년간 평균 생중량(Fresh weight)은 75% 차광에서 6,323kg/10a으로, 무차광, 35%, 55%, 95% 차광보다 각각 5.0배, 1.8배, 1.1배, 1.7배 높았다. 하우스 외부에 차광막을 설치할 경우 생중량은 75% 차광에서 684g으로, 55%, 95% 차광보다 1.1배, 1.8배 높았다. 건중량(Dry weight), 건물율(Percentage of dry matter), 엽수(No. of leaves), 분얼수(No. of branches), 초장(Plant height), 근장(Root length) 등 분석결과 75% 차광이 다른 차광 보다 통계적으로 유의하게 높거나 절대적 수치가 높게 측정되어 중부지역에서 뿌리부추를 재배 할 경우에는 75% 차광이 가장 적합한 것으로 판단되었다.

Keywords

References

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