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http://dx.doi.org/10.13087/kosert.2021.24.5.15

Effect of Companion Planting on Growth of Festuca glauca 'Elijah Blue' and Flowering Ground-cover Plants on Green Roofs  

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)
Publication Information
Journal of the Korean Society of Environmental Restoration Technology / v.24, no.5, 2021 , pp. 15-23 More about this Journal
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.
Keywords
Plant combination; Allium senescens; Sedum takesimense; Agastache rugosa; Chrysanthemum coreanum;
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Times Cited By KSCI : 5  (Citation Analysis)
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