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A New Kiwifruit Variety, 'Halla Gold' with High Soluble Solids Content and Early Harvesting

고당도 조생종 참다래 신품종 '한라골드'

  • Kim, Seong-Cheol (National Agricultural Research Center for Climate Change, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Song, Eun-Young (National Agricultural Research Center for Climate Change, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Kim, Chun-Hwan (National Agricultural Research Center for Climate Change, National Institute of Horticultural & Herbal Science, Rural Development Administration)
  • 김성철 (농촌진흥청 국립원예특작과학원 온난화대응농업연구센터) ;
  • 송은영 (농촌진흥청 국립원예특작과학원 온난화대응농업연구센터) ;
  • 김천환 (농촌진흥청 국립원예특작과학원 온난화대응농업연구센터)
  • Received : 2012.01.09
  • Accepted : 2012.03.02
  • Published : 2012.06.30

Abstract

A new promising kiwifruit, 'Halla Gold' variety with yellow flesh and being harvested in October, was developed at the Agricultural Research Center for Climate Change, National Institute of Horticultural and Herbal Science, Rural Development Administration, Korea in 2007. This variety was derived from the seedling population crossed between Actinidia chinensis cv. Golden Yellow and A. chinensis cv. Songongu in 1997. It was selected out of 2,971 seedlings. Characteristic trials were carried out from 2001 to 2003. After the selection, adaptability test was also conducted at kiwifruit orchards in Jeju Island from 2003 to 2007. Shoots of 'Halla Gold' sprout slightly stronger than those of 'Jecy Gold' but weaker than 'Hort16A' and the color of leaf is green. Fruit shape is oblong and fruit skin color is yellowish-dark green without hair. The average weight of fruit is 106.3 g. Fruit has a moderate size soft core, yellow pericarp, and fragile and juicy flesh. Soluble solids content is $14.7^{\circ}$ Brix and acidity is 1.4%. The harvesting time is about 10 days earlier than 'Jecy Gold' and about 20 days ahead of 'Hort16A'. The storage life is about 90 days at $2^{\circ}C$. This variety can be recommended for cultivating at low land area bellow 100 m sea level in Jeju Island or under shelter to prevent disease and cold injury.

'한라골드'는 농촌진흥청 국립원예특작과학원 온난화대응농업연구센터에서 육성한 10월에 수확하는 황색과육 신품종이다. Actinidia chinensis cv. Golden Yellow을 모본으로 하고 A. chinensis cv. Songongu를 부본으로 하여 1997년에 교배하였다. 1999년에서 2000년까지 실생육성과 계통선발을 실시하고 2001년에서 2003년까지 특성검정을 실시하였다. 그 후 농가재배 가능성을 검토하기 위하여 2003년부터 2007년까지 제주지역의 참다래 농장에 접목을 실시하여 현장실증연구를 실시하였다. 수세는 '제시골드'보다 약간 강하지만 'Hort16A'보다는 조금 약하다. 잎의 상부는 녹색을 나타낸다. 과실의 형태는 타원형이고 과피는 녹황색을 나타내며 털이 없다. 평균과중은 106.3g이고 과심은 부드럽다. 과육색은 황색으로 과즙이 많고 부드럽다. 당도는 $14.7^{\circ}Brix$로 고당도이며 산도는 1.4%로 높은 편이다. 수확기는 10월 중하순으로 '제시골드' 품종보다 약 10일, 'Hort16A'보다 약 20일 정도 빠르다. 저장은 $2^{\circ}C$에서 90일 정도 가능하다. 이 품종은 저온과 병해를 피하기 위하여 제주지역의 해발 100m 이하의 저지대에서 비가림으로 재배하는 것이 좋을 것으로 판단된다.

Keywords

References

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