Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Effects of Different Altitudes and Cultivation Methods on Growth and Flowering Characteristics of Elsholtzia splendens

재배지대와 유형이 꽃향유의 생육 및 개화 특성에 미치는 영향

  • Young Min Choi (Plant Resources Research Institute, Jeonbuk State Agricultural Research & Extension Services) ;
  • Jin Jae Lee (Plant Resources Research Institute, Jeonbuk State Agricultural Research & Extension Services) ;
  • Dong Chun Cheong (Horticulture Division, Jeonbuk State Agricultural Research & Extension Services) ;
  • Hong Ki Kim (Plant Resources Research Institute, Jeonbuk State Agricultural Research & Extension Services) ;
  • Hee Kyung Song (Plant Resources Research Institute, Jeonbuk State Agricultural Research & Extension Services) ;
  • Seung Yoon Lee (Plant Resources Research Institute, Jeonbuk State Agricultural Research & Extension Services) ;
  • So Ra Choi (Plant Resources Research Institute, Jeonbuk State Agricultural Research & Extension Services) ;
  • Hyun Ah Han (Crops and Food Division, Jeonbuk State Agricultural Research & Extension Services) ;
  • Han Na Chu (Department of Agrofood Resources, National Institute of Agricultural Sciences, RDA)
  • 최영민 (전북특별자치도농업기술원 자원식물연구소) ;
  • 이진재 (전북특별자치도농업기술원 자원식물연구소) ;
  • 정동춘 (전북특별자치도농업기술원 원예과) ;
  • 김홍기 (전북특별자치도농업기술원 자원식물연구소) ;
  • 송희경 (전북특별자치도농업기술원 자원식물연구소) ;
  • 이승윤 (전북특별자치도농업기술원 자원식물연구소) ;
  • 최소라 (전북특별자치도농업기술원 자원식물연구소) ;
  • 한현아 (전북특별자치도농업기술원 작물식품과) ;
  • 추한나 (국립농업과학원 농식품자원부)
  • Received : 2024.01.29
  • Accepted : 2024.05.22
  • Published : 2024.08.01
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Abstract

This study was conducted to find the flowering and growth characteristics according to the different altitudes (plains and mid-mountain regions) and cultivation methods (field and plastic houses cultivation) of Elsholtzia splendens. Experimental regions located at 12 meters and 500 meters above sea level were selected for the plains and the mid-mountain, respectively, and the same method was applied for cultivation management by different altitudes and cultivation methods. In the mid-mountain region, flower bud emergence (2-3 days), flowering (9 days), and full bloom (6-7 days) stages of Elsholtzia splendens were earlier than in the plains, and field cultivation was earlier than plastic house cultivation. The plant height, the main stem diameter, and the number of branches tended to increase gradually after an initial rapid growth at 59 to 69 days after planting date. The days of duration of sunshine (less than 8 hours) from the rainy season (June 20) to the period when vegetative growth increases gradually (59 to 69 days after planting) was 22 to 29 days and 26 to 35 days in the plains and the mid-mountain regions respectively, and this period was estimated time of transition from vegetative growth to reproductive growth. The spikes growth of Elsholtzia splendens by cultivation altitudes was higher in the mid-mountain region than in the plains, and there were no statistically significant differences in growth characteristics except for the main stem diameter, the number of branches, and the dry matter. Also, the amount of flowering and growth was higher in the plastic house cultivation compared to the field cultivation. As a result, some differences in flowering amount were observed when cultivating Elsholtzia splendens for landscaping purposes, but it was considered possible to cultivate in both plains and mid-mountain regions. This study therefore provides ecological information for understanding the relationship between weather characteristics and growth of Elsholtzia splendens.

본 연구는 꽃향유(Elsholtzia splendens)의 재배지대(평야지, 중산간지)와 유형(노지, 비가림하우스 재배)에 따른 생육 및 개화 특성에 대해 구명하고자 수행하였다. 평야지와 중산간지는 각각 해발고도 12 m, 500 m에 위치한 시험포장을 선정하였으며, 재배지대와 유형별 재배관리는 동일한 방법을 적용하였다. 중산간지에서는 평야지 대비 화뢰 출현기(2~3일), 개화기(9일), 만개기(6~7일)가 빨랐으며, 재배유형 중 노지 재배에서 비가림하우스 재배보다 빠른 편이었다. 초장, 주경, 분지수는 정식 후 59~69일까지 급격히 증가한 후 완만해지는 경향을 보였다. 특히 장마기(6월 20일)부터 영양생장의 증가가 완만해지는 시기(정식 후 59~69일)까지의 일조시간(8시간 미만) 일수는 평야지와 중산간지가 각각 22~29일, 26~35일로 조사되었으며, 해당시기는 영양생장에서 생식생장으로 전환되는 시기인 것으로 추정되었다. 재배지대별 꽃향유의 화서 생장량은 평야지보다 중산간지에서 많은 경향이었고, 생육 특성은 주경, 분지수, 건물률을 제외하고는 통계적인 차이가 없었다. 또한 노지재배 대비 비가림하우스 재배에서 개화량과 생장량이 많은 경향이었다. 결과적으로, 경관 목적의 꽃향유 재배 시 일부 개화량차이는 인정되나 평야지와 중산간지 재배가 모두 가능할 것으로 판단된다. 이와 같은 결과는 꽃향유의 기상특성과 생육간의 관계를 이해하기 위한 기본적인 재배정보를 제공할 수 있을 것이다.

Keywords

Acknowledgement

본 논문은 농촌진흥청 연구개발사업(과제번호: RS-2022-RD010198)과 전북특별자치도 연구개발비 지원에 의해 이루어졌음

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