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2025 Vol.34, Issue 4 Preview Page

Original Articles

Effects of Nutrient Solution Concentration on the Growth and Yield of Two Perilla Leaf Cultivars in Coir Substrate Hydroponics

코이어 배지 수경재배에서 양액 농도가 잎들깨 두 품종의 생육 및 수량에 미치는 영향

Pyeong-Sic Park1
,
Gyeong-Eun Jeon1
,
Soo-Sang Hahm2
,
Hak-Hun Kim2
,
Hyo-Gil Choi3*
박 평식1
,
전 경은1
,
함 수상2
,
김 학헌2
,
최 효길3*
1Researcher, Chungcheongnam-do Agricultural Research and Extension Services, Yesan 32418, Korea
2Senior Researcher, Chungcheongnam-do Agricultural Research and Extension Services, Yesan 32418, Korea
3Professor, Department of Horticulture, Kongju University, Yesan 32439, Korea
1충청남도농업기술원 농업연구사
2충청남도농업기술원 농업연구관
3공주대학교 원예학과 교수
*Corresponding Author
31 October 2025. pp. 381-392
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Abstract

This study compared the growth, yield characteristics, and nutrient absorption of two perilla cultivars (‘Ipdeulkkae 1’ and ‘Donggeul 2’) treated with various nutrient solution levels (EC 1.0, 1.2, 1.4, and 1.6 dS·m-1). The results showed that plant growth and yield significantly increased with higher EC levels, particularly for ‘Donggeul 2’ under EC 1.4 dS·m-1, which exhibited superior production and high nutrient use efficiency. These results indicate that increasing EC improves nutrient status, thereby enhancing photosynthetic efficiency and biomass production. Furthermore, ‘Ipdeulkkae 1’ showed excellent growth at higher EC levels, while ‘Donggeul 2’ responded more sensitively to changes in NH4 concentration but maintained stable productivity at lower EC conditions. The findings suggest the need for tailored nutrient solution management strategies that consider cultivar-specific differences. While elevated EC levels positively influenced yield, they also confirmed that excessively high EC can cause osmotic stress and ion imbalance. This study provides essential data for determining optimal EC levels for high-quality and stable perilla production. Future research should examine the interactions between nutrient solution concentration and environmental factors to develop more precise nutrient management techniques and to facilitate select superior cultivars.

Keywords
cultivar differences
electrical conductivity
growth characteristics
hydroponic cultivation
perilla frutescens

본 연구는 두 품종의 잎들깨(잎들깨 1호, 동글 2호)에 대해 다양한 양액 수준(EC 1.0, 1.2, 1.4, 1.6dS·m-1)에서의 생육, 수량 특성 및 양분 흡수 특성을 비교 분석하였다. 연구 결과, 양액 농도가 증가함에 따라 잎들깨의 생육과 수량이 유의미하게 증가하였으며, 특히 동글 2호는 EC 1.4 dS·m-1 조건에서 우수한 생산성과 높은 양분 이용 효율을 나타냈다. 이와 같은 결과는 양액 농도가 높을수록 영양 상태가 개선되어 광합성 효율과 물질 생산이 증가함을 보여준다. 또한, 잎들깨 1호는 고농도 양액에서 우수한 생육을 보였으며, 동글 2호는 NH4농도 변화에 민감하게 반응하면서도 낮은 EC 조건에서도 안정적인 생산성을 나타냈다. 품종 간 차이를 고려한 맞춤형 양액 관리 전략이 필요함을 시사하며, 양액 농도의 과도한 증가가 수량 향상에 긍정적인 영향을 미치는 것 외에도 과도한 EC 농도는 삼투스트레스와 이온 불균형 등을 유발할 수 있음을 확인하였다. 본 연구는 잎들깨의 품종별 최적 EC 농도를 설정하고, 고품질 안정생산을 위한 기초 자료를 제공하는 데 중요한 기여를 한다. 향후 연구에서는 양액 농도와 환경적 요인의 상호작용을 분석하여 더 정밀한 양액 관리 기술과 우수 품종 선발이 이루어져야 할 것이다.

키워드
생육특성
수경재배
잎들깨
전기전도도(EC)
품종간 차이
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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 :4
  • Pages :381-392
  • Received Date : 2025-09-05
  • Revised Date : 2025-09-24
  • Accepted Date : 2025-09-29
  • DOI :https://doi.org/10.12791/KSBEC.2025.34.4.381
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