Breeding of Standard Rose Cultivar, 'White Day' with White Petal

백색 스탠다드 장미 'White Day' 육성

  • Kim, Seung-Tae (Floriculture Research Division, National Institute of Horticultural & Herbal Science) ;
  • Kim, Won-Hee (Floriculture Research Division, National Institute of Horticultural & Herbal Science) ;
  • Lee, Eun-Kyung (Floriculture Research Division, National Institute of Horticultural & Herbal Science) ;
  • Lee, Su-Young (Floriculture Research Division, National Institute of Horticultural & Herbal Science) ;
  • Huh, Kun-Yang (Floriculture Research Division, National Institute of Horticultural & Herbal Science)
  • 김성태 (국립원예특작과학원 화훼과) ;
  • 김원희 (국립원예특작과학원 화훼과) ;
  • 이은경 (국립원예특작과학원 화훼과) ;
  • 이수영 (국립원예특작과학원 화훼과) ;
  • 허건양 (국립원예특작과학원 화훼과)
  • Received : 2010.05.20
  • Published : 2010.12.31

Abstract

A new standard rose cultivar 'White Day' was bred from the cross between white standard cultivar 'Athena' and white standard cultivar 'Tineke'at the National Institute of Horticultural and Herbal Science. The cross was made in 1998 and 'White Day'was finally selected in 2002 after investigating its characteristics for three years from 2000 to 2002 (UPOV standards). 'White Day', a white standard cultivar grows vigorously and has good flower shape. The major characteristics of this cultivar are 106.3 stems/$m^2$/year in yield, 68.6 cm in length of cut flower, 14.3 cm in flower diameter, 93.5 in petal number per stem, and 13.4 days in vase life. This cultivar can be propagated by both cutting and grafting. The consumer's preference of this cultivar is relatively higher than that of control cultivar, 'Tineke'.

1998년도에 백색의 스탠다드 'Athena' 품종을 모본으로 수량이 많은 백색 스탠다드 'Tineke' 품종을 부본으로 인공교배하여 1999년에 95개체의 실생을 획득하여 이들을 대상으로 2000년부터 2002년까지 3차에 거쳐 특성검정을 실시한 후 최종 선발 된 '원교 D1-19'를 'White Day'로 명명하였다. 'White Day'의 화색은 백색으로 RHS 칼라챠트번호 149D이며 화형은 반고심형의 화형이며 향기는 'Tineke'에 비하여 많았다. 꽃잎수는 93.5개로써 'Tineke'의 69.8개보다 많았으며 화폭은 14.3 cm로 'Tineke'보다 약간 컸다. 평방미터당 년간 절화수량은 106.3본으로 'Tineke'보다 적었으며 절화장은 68.4 cm 절화경경은 5.2 mm로 'Tineke'와 비슷한 절화형태를 보였다. 또한 절화수명은 13.4일로 'Tineke'보다 약간 길었으며, 기호도 평가에서도 'Tineke'보다 우수한 경향을 나타내었다.

Keywords

References

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