Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Optimization of Cultivation Conditions on Effective Seedlings of Veronica rotunda var. subintegra (Nakai) T.Yamaz.

산꼬리풀의 효과적인 육묘를 위한 재배조건 최적화

  • Lee, Sang In (Division of Plant Resources, Korea National Arboretum) ;
  • Yeon, Soo Ho (Division of Animal, Horticultural, and Food Sciences, Department of Horticulture, Chungbuk National University) ;
  • Cho, Ju Sung (Division of Animal, Horticultural, and Food Sciences, Department of Horticulture, Chungbuk National University) ;
  • Jeong, Mi Jin (Division of Plant Resources, Korea National Arboretum) ;
  • Lee, Cheol Hee (Division of Animal, Horticultural, and Food Sciences, Department of Horticulture, Chungbuk National University)
  • 이상인 (국립수목원 식물자원연구과) ;
  • 연수호 (충북대학교 축산.원예.식품공학부 원예학전공) ;
  • 조주성 (충북대학교 축산.원예.식품공학부 원예학전공) ;
  • 정미진 (국립수목원 식물자원연구과) ;
  • 이철희 (충북대학교 축산.원예.식품공학부 원예학전공)
  • Received : 2019.10.07
  • Accepted : 2020.03.31
  • Published : 2020.04.30
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Abstract

This study was conducted to identify the optimal conditions for seedling growth in Veronica rotunda var. subintegra (Nakai) T.Yamaz. which a endemic plant and can be development as ornamental plants. We sowed V. rotunda var. subintegra (Nakai) T.Yamaz. seeds, and exposed the seedling was different treatment conditions. We varied soil type and fertilizer concentration, shading ratio, additional fertilizer concentration, pretreatment light exposure and collection time of seeds. We found that seedling growth was good in horticultural substrate (with no additional fertilizer), but mixed soils supplemented with fertilizer inhibited growth, regardless of the fertilizer concentration. In the 55% shading treatment, seedling growth was greater than in the non-shading treatment. High concentration addition of fertilizer (Hyponex) promoted plant growth, in terms of both plant length and fresh weight. Exposure of seeds to a red light-source prior to germination had a greater effect on seedling growth than exposure to other light sources. Seedlings exhibited better growth when grown from seed collected in 2018, rather than 2017.

본 연구는 국내 특산식물이며 관상소재로 개발이 가능한 산꼬리풀의 효과적인 육묘조건을 구명하기 위해 수행되었다. 육묘는 토양 종류와 비료 농도, 차광정도, 추비 농도, 종자의 광원 전처리 및 채종 시기별로 각 요인을 달리하여 수행하였다. 연구 결과, 산꼬리풀은 원예상토에서 생육이 우수하였으며, 혼용토에서는 비료 첨가 시 생육이 억제되었다. 차광은 55% 차광조건에서 무차광에 비해 전체적인 생육이 향상되었다. 고농도(1000mg·L-1)의 Hyponex는 육묘 시 생육을 촉진하였으며, 파종 전 종자에 대한 적색광 조사는 추후 초장과 생체중 향상에 효과적이었다. 채종 시기는 2018년도 종자가 2017년 종자보다 생육이 우수하였다.

Keywords

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