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2025 Vol.34, Issue 2 Preview Page

Original Articles

Controlling Plant Height and Internode Length in Balloon Flower and Lance Asiabell Seedling using Different Light Qualities

다양한 광질을 이용한 도라지와 더덕 묘의 초장 및 절간장 조절

Jeong Hun Hwang13
,
Eun Won Park14
,
Jeong Kil Koo1
,
Hee Sung Hwang25
,
Jin Yu16
,
Ji Hye Yun1
,
So Yeong Hwang1
,
Hyeong Eun Choi1
,
Young Ho Yoon7
,
Kyung Sook Han7
,
Eun Song Lee7
,
Seung Jae Hwang8910*
황 정훈13
,
박 은원14
,
구 정길1
,
황 희성25
,
유 진16
,
윤 지혜1
,
황 소영1
,
최 형은1
,
윤 영호7
,
한 경숙7
,
이 은송7
,
황 승재8910*
1Graduate Student, Division of Applied Life Science, College of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Korea
2Graduate Student, Division of Crop Science, Graduate School of Gyeongsang National University, Jinju 52828, Korea
3Researcher, Breeding Research institute, Spring Seed, Seongju 40039, Korea
4Researcher, Medicinal Resources Research Institute, Gyeongsangnam-do Agricultural Research and Extension Services, Hamyang 50005, Korea
5Researcher, Protected Horticulture Research Institute, National Institute of Horticultural and Herbal Science, Haman 52054, Korea
6Master Degree Researcher, Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju 55365, Korea
7Researcher, Department of Herbal Crop Research, National Institute of Horticultural & Herbal Science, Eumseong 27709, Korea
8Professor, Division of Horticultural Science, College of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Korea
9Professor, Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea
10Professor, Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Korea
1경상국립대학교 응용생명과학부 대학원생
2경상국립대학교 대학원 작물생산과학부 대학원생
3춘종묘 육종연구소 연구원
4약용자원연구소 연구원
5국립원예특작과학원 시설원예연구소 연구원
6농촌진흥청 국립원예특작과학원 채소기초기반과 석사후전문연구원
7국립원예특작과학원 인삼특작과학부 연구원
8경상국립대학교 원예과학부 교수
9경상국립대학교 생명과학연구원 교수
10경상국립대학교 농업생명과학연구원 교수
*Corresponding Author
30 April 2025. pp. 207-219
PDF XML Citation
Abstract

The balloon flower (Platycodon grandiflorum [Jacq.] A. DC.), and lance asiabell (Codonopsis lanceolata) are medicinal crops primarily cultivated in Korea, China, and Japan. The light quality regulates photomorphogenesis of crops. The response to light quality varies in different crops; therefore, optimizing the light quality in a closed-type plant production system (CPPS) is important. Therefore, in this study, we aimed to optimize light quality for growing balloon flower and lance asiabell seedlings in a CPPS application. We evaluated the effects of red, green, blue, red-green (RG), green-blue (GB), red-blue (RB), red-green-blue (RGB), and white lights, under the controlled environmental conditions maintaining temperature of 25 ± 0.6°C, relative humidity of 55 ± 4.7%, photoperiods of 16/8 h (light/dark), and photosynthetic photon flux density (PPFD) of 110±5 µmol·m-2·s-1. RGB light induced vigorous shoot and root growth in balloon flower seedlings, with short plant height and internode length. In GB and RGB lights, lance asiabell seedlings exhibited improved shoot and root growth, with shorter plant height and internode length, than the other lights. Leaf area estimation using multispectral imaging revealed a higher coefficient of determination for balloon flower. The results of this study can be considered basic data for selecting the light quality suitable for cultivating balloon flowers and lance asiabells in a CPPS.

Keywords
closed-type plant production system
light-emitting diodes
medicinal plant
multispectral imaging
root growth

도라지(Platycodon grandiflorum [Jacq.] A. DC.)와 더덕(Codonopsis lanceolata)은 한국, 중국, 일본에서 주로 재배되는 약용작물이다. 광질은 작물의 광형태형성을 조절하며, 그 반응은 작물의 종류에 따라 다르다. 따라서 밀폐형 식물생산시스템(CPPS)에서 작물에 적합한 광질을 최적화하는 것이 중요하다. 본 연구에서는 도라지와 더덕묘를 CPPS 조건에서 재배할 때 적합한 광질을 최적화하는 것을 목표로 하였다. 이를 위해 red, green, blue, red-green (RG), green-blue (GB), red-blue (RB), red-green-blue (RGB) 그리고 white lights를 이용하여 광질의 영향을 평가하였다. 환경은 온도 25±0.6℃, 상대습도 55±4.7%, 광주기 16/8시간(명/암), 광합성유효광양자속밀도(PPFD) 110±5μmol·m-2·s-1로 제어하였다. 도라지묘는 RGB 광 처리 시 초장과 엽간장는 짧지만 지상부 및 뿌리 생장이 왕성하였다. 더덕묘는 GB 및 RGB 광 처리 시 다른 광질보다 짧은 초장과 절간장을 유지하면서도 지상부 및 뿌리 생장이 개선되었다. 다분광영상(multi-spectral imaging)을 활용한 엽면적 분석에서는 도라지에서 결정계수(R²)가 더 높게 나타났다. 본 연구 결과는 CPPS에서 도라지와 더덕 재배에 적합한 광질을 선정하는 데 있어 기초자료로 활용될 수 있다.

키워드
밀폐형 식물생산시스템
발광다이오드
약용작물
다분광영상
뿌리 생육
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Information
  • Publisher :The Korean Society for Bio-Environment Control
  • Publisher(Ko) :(사)한국생물환경조절학회
  • Journal Title :Journal of Bio-Environment Control
  • Journal Title(Ko) :생물환경조절학회지
  • Volume : 34
  • No :2
  • Pages :207-219
  • Received Date : 2025-04-25
  • Accepted Date : 2025-04-29
  • DOI :https://doi.org/10.12791/KSBEC.2025.34.2.207
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