본 연구는 도심지 경관용으로 식재되는 초화류의 일조부족에 따른 관상성의 차이를 평가하기 위하여 수행하였다. 생장 특성에 따라 수직형, 부채꼴형, 반구형 식물 6종을 대상으로 7개월간의 차광처리 후 생장 특성을 조사하였다. 이 후 각 생장 유형에 따라 형태, 밀도, 색상 등의 관상 특성을 표현할 수 있는 산출식을 도출하였다. 차광처리 전, 후 식물 생육을 측정 한 후 산출식에 따라 관상가치를 평가한 결과 가우라는 자생 지 환경에서의 관상가치를 5점으로 하였을 때 50% 차광에서 0.66점 낮았고, 돌단풍은 80%에서 0.99점 부족한 관상성을 나타냈다. 다양한 환경조건에서 식물들의 생장 패턴을 유형화하는 등의 지속적인 경관식물의 가치 정량화에 대한 후속연구를 통해 도심지 녹지의 질을 높이는데 다양한 식물이 활용될 수 있게 함으로써 관상식물의 부가가치 향상을 기대할 수 있을 것이라 사료된다.
With the aim of evaluating the ornamental quality of herbaceous flowering plants planted to improve the landscape in urban areas, this study established evaluation standards based on their growth and ornamental characteristics, measured differences in their growth under different environmental conditions and calculated their score based on the standards. Herbaceous flowering plants were divided, based on their growth characteristics, into four types - vertical, fan-shaped, semi-spherical and covering types. Measurement items that can express the ornamental characteristics of each plant such as shape, density and color were selected and an equation for calculation was obtained. Three species of each type were selected and changes in their ornamental characteristics under different shading conditions were measured for 7 months. The growth status of plants before and after treating shading was measured and their ornamental value was evaluated using the obtained equation. When the score of the ornamental value of Gaura lindheimeri in its natural habitat is 5points, its ornamental value in the 50% shading environment increased by 2.53 points, and that of Physostegia virginiana in the 80% shading environment decreased by 2.46 points. As such, the evaluation of the quality of green spaces based on the quantified ornamental value of plants is expected to be utilized in differentiating the value of green spaces in different urban spaces.