• Title/Summary/Keyword: Yun Hwasu

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Breeding of Doritaenopsis 'Hwasu 5205' with Vivid Red and Large Flowers (선명한 적색 대륜계 호접란 '화수 5205' 육성)

  • Lim, Ki-Byung;Kim, Hong-Yul;Park, No-Eun;Son, Beung-Gu;Yun, Suk-Young
    • Horticultural Science & Technology
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    • v.33 no.6
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    • pp.941-946
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    • 2015
  • A new Doritaenopsis cultivar 'Hwasu 5205' was bred by Kyungpook National University, Korea, which produces young plants through tissue culture techniques. The new cultivar 'Hwasu 5205', showing the phenotype of vivid red and large flower type characteristics, was derived from crossing between Phalaenopsis Happy Valentine and Doritaenopsis Happy Rose. An elite individual, number '02-05-205' later named as 'Hwasu 5205', was selected among about 300 individual progenies after more than 2 years of intensive selection covering vegetative and flowering distinctiveness. In year 2004-2005, 1st and 2nd characteristic analyses were carried out through performance and uniformity tests. 'Hwasu 5205' produces vivid red (RHS #PN78B) flowers of i ncurved type with large size, of 9.2 and 12.0 cm in flower height and width, respectively. Leaves of 'Hwasu 5205' grow horizontally and are about 24.3cm in length and 8.5cm in width, respectively. This cultivar possesses no genetic variation. It can be propagated rapidly in vitro and is easy to grow due to its vigorous growth habit. 'Hwasu 5205' was registered (Reg. #: 2915) to Korea Seed & Variety Service (KSVS) on 1st December, 2009 and the PBR(plant breeder's right)is currently controlled by Sangmiwon Orchid Company, Korea.

Yun Hwasu's Understanding of Place and the Types of Geographical Knowledge Shown in the Book of Baekdusanhaenggi ("백두산행기"에 나타난 윤화수의 장소인식과 지리지식의 유형)

  • Kang, Soon-Dol
    • Journal of the Korean association of regional geographers
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    • v.15 no.1
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    • pp.99-114
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    • 2009
  • The purpose of this paper is to identify the authour of Baekdusanhaenggi, Yun Hwasu's understanding of place and the types of geographical knowledge shown in the book. He regarded ideologically the place as a paradise or a sacred land on the base of empirical understanding of it. Geographical knowledge in Baekdusanhaenggi was expressed as two main types; geographical content and geographical concept. The content of geographical knowledge consist of physical geography such as climates, vegetations, geographical features and human landscapes such as settlement landscapes, cultural landscapes. The geographical concept consist of locations, distances, regions.

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