Journal of Practical Agriculture & Fisheries Research (현장농수산연구지)

Korea National University of Agriculture and Fisheries (국립한국농수산대학교 교육개발센터)
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Effect of Water Quantity in Pot on Growth of Some Wood Plant by Water Flooding Culture

몇 가지 목본식물의 담수 재배 시 용기 내 관수량이 식물의 생육에 미치는 영향

  • Song, C.Y. (Department of Floriculture, Korea National College of Agriculture and Fisheries) ;
  • Moon, J.Y. (Department of Floriculture, Korea National College of Agriculture and Fisheries)
  • 송천영 (한국농수산대학 화훼학과) ;
  • 문자영 (한국농수산대학 화훼학과)
  • Received : 2019.10.14
  • Accepted : 2019.11.29
  • Published : 2019.12.20
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Abstract

This study aimed to determine of water quantity in pot for water flooding culture of Pinus thunbergii Parl., Chaenomeles japonica Lindl. ex Spach and Osmanthus fragrans Lour. The survival rate of P. thunbergii Parl. and C. japonica Lindl. ex Spach in the water quantity in pot 60% or 40% was 100% and the rate of O. fragrans Lour. in the 60% or 40% water was 90.0% or 93.3%. However the survival rate of the 100% water was less than 90% in P. thunbergii Parl, C. japonica Lindl. ex Spach and less than 60% was in O. fragrans Lour. The increasing rate of plant height for P. thunbergii Parl. in the water quantity in pot 40% or 60% was above 50%, and the C. japonica Lindl. ex Spach or O. fragrans Lour. was above 90%. However the increasing rate of plant height in the water 100% was less then the others as a 38.2%, 65.4% or 66.7% in respectively in P. thunbergii Parl., C. japonica Lindl. ex Spach and O. fragrans Lour. The increasing rate for leaf number for P. thunbergii Parl. in the water quantity 40% or 60% was above 80%, and the C. japonica Lindl. ex Spach or O. fragrans Lour. was above 70%, however the 100% water was below 60% in all treatment. Therefore, the survival rates in some woody plants of the 40% or 60% water in the pot was above 90% and the plant growth of plant height, plant width, leaf number or fresh weight was proper increased. But the survival rates and growth of the 100% water in the pot was decreased

용기 내에 담수 재배 시 관수량 정도가 분 식물의 생장에 미치는 영향을 알아보기 위하여 해송(Pinus thunbergii Parl), 장수매(Chaenomeles japonica Lindl. ex Spach), 목서(Osmanthus fragrans Lour.) 등 3종에 대하여 관수량을 20, 40, 60, 80 및 100%를 처리하였다. 식물의 생존율은 해송과 장수매가 관수량 40%와 60%에서 100%이었고, 목서는 관수량 40%와 60%에서 90.0%와 93.3%로 높았으나 관수량 100%에서 해송과 장수매는 90% 이하를 보였으며, 목서는 60% 이하로 낮았다. 초장 증가율은 해송에서 관수량 60%와 40%일때 50% 이상이었고, 장수매와 목서는 90%이상으로 높았으나 관수량 100%에서는 해송, 장수매, 목서에서 각각 38.2%, 65.4%, 66.7%로 나타났다. 엽수 증가율은 관수량 60%와 40%에서 해송은 80%이상이였고, 장수매와 목서는 70%이상으로 높았으나 관수량 100%는 모두 60%이하로 낮았다. 이와 같이 모든 식물에서 용기 내 관수량이 40% 또는 60%일 때 식물의 생존율은 90% 이상이었고 초장, 초폭, 엽수 및 생체중의 생장이 양호한 것으로 나타났으나 관수량 100%는 생존율과 생육이 저하되는 것으로 나타났다.

Keywords

Acknowledgement

본 연구는 농림수산식품기술기획평가원 수출전략기술개발사업 (과제번호 315048-03-3-HD020)의 지원으로 수행되었습니다.

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