Journal of the Korean Society of Environmental Restoration Technology (한국환경복원기술학회지)

The Korea Society of Environmental Restoration Technology (한국환경복원기술학회)
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Effect of Companion Planting on Growth of Festuca glauca 'Elijah Blue' and Flowering Ground-cover Plants on Green Roofs

옥상녹화에서 혼합식재에 따른 블루페스큐와 지피초화류의 생육 반응

  • Yoon, Yong-Han (Dept. of Green Technology Convergence, Konkuk University) ;
  • Suh, Soo-Hyun (Dept. of Green Technology Convergence, Konkuk University) ;
  • Lee, Sun-Yeong (Dept. of Green Technology Convergence Graduate School, Konkuk University) ;
  • Oh, Deuk-Kyun (Dept. of Green Technology Convergence, Konkuk University) ;
  • Ju, Jin-Hee (Dept. of Green Technology Convergence, Konkuk University)
  • 윤용한 (건국대학교 녹색기술융합학과) ;
  • 서수현 (건국대학교 녹색기술융합학과) ;
  • 이선영 (건국대학교 대학원 녹색기술융합학과) ;
  • 오득균 (건국대학교 녹색기술융합학과) ;
  • 주진희 (건국대학교 녹색기술융합학과)
  • Received : 2021.07.05
  • Accepted : 2021.09.06
  • Published : 2021.10.31
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Abstract

This study was carried out to suggest an appropriate plant combination by evaluating the growth of flowering ground-cover plants planted with Festuca glauca 'Eljiah Blue' on the roof-top environment. As for the plant materials, Allium senescens and Chrysanthemum coreanum which are shorter than Festuca glauca 'Eljiah Blue' and Sedum takesimense and Agastache rugosa which are taller than Festuca glauca 'Eljiah Blue' were selected. Festuca glauca 'Eljiah Blue' was planted on Conrol, and Festuca glauca 'Eljiah Blue' with Allium senescens (T1), Festuca glauca 'Eljiah Blue' with Sedum takesimense (T2), Festuca glauca 'Eljiah Blue' with Agastache rugosa(T3), and Festuca glauca 'Eljiah Blue' with Chrysanthemum coreanum (T4) were planted in each experimental plot. Plant height and covering rate were measured to evaluate the growth of Festuca glauca 'Eljiah Blue'. Also, relative growth rate (RGR) of plant height, RGR of plant width, and mortality rate of the flowering ground-cover plants were estimated. Plant height and cover rate of Festuca glauca 'Eljiah Blue' was greatest in T3. RGR of plant height was greater in the order of Agastache rugosa, Allium senescens, Chrysanthemum coreanum, and Sedum takesimense. In particular, RGR of plant width was also greatest for Agastache rugosa. Mortality rates of Agastache rugosa and Allium senescens were lowest at 11%. Therefore, based on good growth of Festuca glauca 'Eljiah Blue' planted with Agastache rugosa, these results were suggested as a desirable combination of plant species for rooftop gardening.

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References

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