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Growth and Quality Affected by Light Intensity, Potting Media and Fertilization Level in Potted Orostachys 'Nungyu bawisol'  

Chon, Young-Shin (Department of Horticultural Science, Gyeongnam National University of Science and Technology)
Lee, Sang-Woo (Department of Horticultural Science, Gyeongnam National University of Science and Technology)
Jeong, Kyeong-Jin (Department of Horticultural Science, Gyeongnam National University of Science and Technology)
Ha, Su-Hyeon (Department of Horticultural Science, Gyeongnam National University of Science and Technology)
Bae, Jong-Hyang (Division of Horticulture and Pet Animal-Plant Science, Wongkwang University)
Yun, Jae-Gill (Department of Horticultural Science, Gyeongnam National University of Science and Technology)
Publication Information
Journal of Bio-Environment Control / v.20, no.4, 2011 , pp. 357-364 More about this Journal
Abstract
Proper light intensity, potting media, fertilization level, and shade tolerance were investigated to develop Orostachys (Korean name, Nungyu bawisol) as a potted ornamental plant. The best plant growth was shown at 52% shading. Although plant growth decreased at 82% shading, ornamental value maintained at that shading rate, which indicate that O. 'Nungyu bawisol' has high shading tolerance. At over 90% shading, some of the plants died and showed decolorization and standing erect in leaves, resulting in a big decrease in ornamental value. Potting medium of decomposed granite (DG) : fertilizer-amended media (FAM) : river sand (RS) (6 : 2 : 2, v/v/v) showed the best growth in potted O. 'Nungyu bawisol'. Fresh weight of shoot part was 16 g in DG : FAM : RS (6 : 2 : 2, v/v/v), which was over 2 folds of those at the other medium. Drenching of Hyponex solution diluted by 1,000~2,000 folds 1 time per week brought the highest results in fresh weight, plant width, and runner number. Particularly, fresh weight of shoot part was 13 g higher than that of control (16 g). Leaf color tended to be darkened as concentration of Hyponex solution increased.
Keywords
native plant; optimal fertilization; optimal media; pot cultivation; shading tolerance; succulent plant;
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Times Cited By KSCI : 4  (Citation Analysis)
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