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ISSN : 1225-5009(Print)
ISSN : 2287-772X(Online)
Flower Research Journal Vol. No. pp.247-256
DOI : https://doi.org/10.11623/frj.2024.32.4.03

Growth Responses of Deutzia paniculata Nakai and Exochorda serratifolia S.Moore Seedlings Under Varying Culture Conditions in Plug Production
꼬리말발도리와 가침박달의 플러그 육묘에서 재배조건에 따른 유묘의 생육

Yong Seung Roh1, Mi Jin Jeong2, Won Woo Cho2, Yong Kweon Yoo3,4*
노용승1, 정미진2, 조원우2, 유용권3,4*
1Gangjin-gun Agricultural Technology & Extension Center, Gangjin-gun 59223, Korea
2Division of Gardening Plant Resources, Korea National Arboretum, Pochen 11186, Korea
3The Institute of Natural Resource Development, Mokpo National University, Muan 58554, Korea
4Major of Horticulture, School of Horticulture and Forestry, Mokpo National University, Muan 58554, Korea

1전라남도 강진군농업기술센터,
2국립수목원 정원식물자원과,
3국립목포대학교 자연자원개발연구소,
4국립목포대학교 원예산림학부 원예전공

Abstract

The paniculate Korean deutzia (Deutzia paniculata Nakai) and Korean pearl bush (Exochorda serratifolia S.Moore) are rare flowering shrubs native to Korea, with white blooms appearing in May–June and April–May, respectively. These plants hold high conservation and ornamental value, necessitating their development as horticultural crops. This study examined the growth responses of these species under plug seedling production, focusing on plug tray cell size, medium composition, and fertilization levels to establish an effective propagation system. For the paniculate Korean deutzia, smaller plug tray cells resulted in poorer growth, whereas the best growth was observed in the 105-cell tray, based on plant height, leaf length and width, and fresh shoot and root weight. A medium with a 20:80 ratio of peat moss to perlite produced the best growth, whereas 100% perlite resulted in the poorest growth. For the Korean pearl bush, the best seedling growth occurred in media with 100:0 and 75:25 ratios of peat moss to perlite, with poorer shoot and root growth observed in 100% perlite. Additionally, increased fertilization levels resulted in improved shoot growth and chlorophyll content, with the most effective treatment being irrigation with 6.24 g of Hyponex (N:P:K = 20:20:20) per plug tray during the nursery period for high-quality seedling production. Therefore, seedling growth was best when using a medium with a 20:80 ratio of peat moss and perlite in a 105-hole plug tray in the paniculate Korean deutzia, and when applying Hyponex 6.24g during the nusery period in media with 100:0 or 75:25 ratios in the Korean pearl bush.

초록

 

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  2. Journal Abbreviation : 'Flower Res. J.'
    Frequency : Quarterly
    Doi Prefix : 10.11623/frj.
    ISSN : 1225-5009 (Print) / 2287-772X (Online)
    Year of Launching : 1991
    Publisher : The Korean Society for Floricultural Science
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