Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Development of a Model for Estimating Leaf Area and the Number of Flower Using Leaf Length and Width of Farfugium japonicum Kitam.

털머위(Farfugium japonicum Kitam.)의 엽장과 엽폭을 이용한 엽면적 및 개화 수 추정 모델 개발

  • Dae Ho Jung (Division of Smart Horticulture, Yonam College) ;
  • Yong Suk Chung (Department of Plant Resources and Environment, Jeju National University) ;
  • Hyunseung Hwang (Department of Smart Horticultural Science, Andong National University)
  • 정대호 (연암대학교 스마트원예계열) ;
  • 정용석 (제주대학교 식물자원환경전공) ;
  • 황현승 (국립안동대학교 스마트원예과학과)
  • Received : 2023.03.09
  • Accepted : 2023.04.06
  • Published : 2023.04.30
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Abstract

The leopard plant has the characteristic of being used for ornamental purposes when there are yellow spots on the leaves, and is widely used as a bed plant for viewing flowers. To set several indicators to predict the growth of crops with ornamental value, and to quantitatively express the relationship between the indicators are necessary. In this study, we determine a model that estimates the leaf area and the number of flower of Farfugium japonicum Kitam. using leaf length and width, and conducting a regression analysis on some regression models. As an indicator for estimating the leaf area and the number of flower, the leaf length and width of F. japonicum were measured and applied to 8 regression models. As a result of regression analysis of 8 models that estimated leaf area and the number of flower, R2 values of the linear models were all higher than 0.84 and 0.80. As a result of validation, using the most reliable model among the models for estimating the leaf area and the number of flowering, R2 was 0.90 and 0.82, respectively. Using a model that estimates various indicators that can be used for quality evaluation from easy-to-measure morphological factors, the evaluation of ornamental plants will be facilitated.

털머위는 잎에 노란 점이 있는 경우 관상용으로 활용되는 특성이 있고, 꽃을 보기 위한 화단용 식물로 널리 이용된다. 관상 가치를 지닌 작물은 생육 예측을 위해 여러 지표를 설정하고, 지표들 사이의 관계를 정량적으로 표현할 필요가 있다. 본 연구에서는 제주 지역에 자생중인 털머위의 엽장과 엽폭을 조사하고, 모델에 대해 회귀 분석을 실시하여 엽면적과 개화 수를 추정하는 모델을 결정하고자 하였다. 작물의 엽면적과 개화수 추정을 위한 지표로 털머위의 엽장과 엽폭을 측정하여 8종의 회귀 모델에 대해 적용하였다. 털머위의 엽장과 엽폭을 이용하여 엽면적과 개화 수를 추정한 8종 모델의 회귀분석 결과 선형 모델의 R2 값이 모두0.84와 0.80 이상으로 높게 나타났다. 털머위의 엽면적과 개화 수를 추정하는 모델 중 가장 신뢰도가 높은 것을 이용하여 검증한 결과, R2는 각각0.90과 0.82로 나타나 신뢰할 수 있는 모델임을 확인하였다. 측정이 간편한 생체 지표로부터 품질 평가에 사용할 수 있는 여러 지표를 추정하는 모델을 이용하면 관상 식물에 대한 평가가 원활하게 이루어질 것이다.

Keywords

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