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Breeding of 'Daewang' Strawberry for Forcing Culture with Good Taste and Fragrance

맛과 향이 좋은 촉성재배용 딸기 '대왕' 품종의 육성

  • Na, Young-Wang (Research Policy Bureau, Rural Development Administration) ;
  • Jeong, Ho Jeong (Protected Horticulture Experiment Station, National Institute of Horticultural & Herbal Science) ;
  • Cheong, Jae Woan (Protected Horticulture Experiment Station, National Institute of Horticultural & Herbal Science) ;
  • Choi, Hyo Gil (Protected Horticulture Experiment Station, National Institute of Horticultural & Herbal Science) ;
  • Jeon, Heung Young (Protected Horticulture Experiment Station, National Institute of Horticultural & Herbal Science) ;
  • Kim, Do Sun (Vegetable Research Division, National Institute of Horticultural & Herbal Science) ;
  • Rho, Il Rae (Protected Horticulture Experiment Station, National Institute of Horticultural & Herbal Science)
  • 나영왕 (농촌진흥청 연구정책국) ;
  • 정호정 (국립원예특작과학원 시설원예시험장) ;
  • 정재완 (국립원예특작과학원 시설원예시험장) ;
  • 최효길 (국립원예특작과학원 시설원예시험장) ;
  • 전흥용 (국립원예특작과학원 시설원예시험장) ;
  • 김도선 (국립원예특작과학원 채소과) ;
  • 노일래 (국립원예특작과학원 시설원예시험장)
  • Received : 2013.01.23
  • Accepted : 2013.04.22
  • Published : 2013.09.30

Abstract

A new cultivar 'Daewang' strawberry was developed by the National Institute of Horticultural & Herbal Science for forcing culture in 2010. The cultivar 'Daewang' was originated from the cross between 'Maehyang', a high firmness cultivar and 'Wongyo 3111', a high sugar content in 2006. The cultivar shows erect plant type, vigorous growth habit, early flower bud differentiation with 12-15 flowers per cluster from planting on healthy nursery. Fruits of 'Daewang' are conical type having a bright red skin color, and 16-17 g in an average weight. 'Daewang' is suitable for forcing culture as time required for dormancy breaking ranged between 50 and 100 hours. This cultivar has excellent taste for high sugar/acid ratio as sugar content of $11.1^{\circ}Brix$, acidity of 0.39% with abundant texture and can be harvested by late spring because the fruit firmness of 'Daewang' was $18.2g{\cdot}mm^{-2}$ that was about $7.9g{\cdot}mm^{-2}$ higher than $10.3g{\cdot}mm^{-2}$ of 'Akihime' cultivar. But although total yield is not significantly different from 'Akihime' cultivar, its marketable yield is remarkably higher than that of 'Akihime' cultivar. Disease and pest resistance of 'Daewang' have a tendency to sensitive powdery mildew, anthracnose and spotted spider.

'대왕' 품종은 농촌진흥청 국립원예특작과학원에서 2010년도 육성한 촉성재배용 신품종이다. 맛과 향이 우수하면서 경도가 강한 품종을 육성하기 위해 2006년 고당도 품종인 '매향'과 고당도 품종인 '원교3111호'를 교잡하여 육성하였다. '대왕' 품종의 주요 특성을 보면 초형이 직립형이고 초세는 매우 강하다. 화방당 꽃 수는 12-15개 정도로 적고 휴면타파를 위한 저온요구시간은 50-100시간 정도로 촉성재배용으로 적합한 품종이다. 과형은 원추형이고 과색은 연적색이며 평균과중은 16-17g 내외의 중대과형 품종이다. 과실의 당도는 $11.1^{\circ}Brix$, 산도는 0.39%로 당산비가 적절하여 식미가 좋으며 특히 과육 내 육질이 치밀하여 씹는 맛이 우수하다. 또한 경도가 $18.2g{\cdot}mm^{-2}$로 아키히메의 $10.3g{\cdot}mm^{-2}$ 보다 $7.9g{\cdot}mm^{-2}$이 더 높아 봄철 늦게까지 수확이 가능하다. 그리고 상품과율은 대조품종인 '아키히메'보다 높았으나 전체적인 수량은 유의적인 차이를 보이지 않았다. 그러나 탄저병과 고온에 다소 약한 경향이 있다.

Keywords

References

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