Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Growth & Development and Fruit Characteristics of Newly Bred and Introduced Grape Cultivars

최근 육성 포도 품종과 해외 도입 품종들의 생육 및 과실 특성 분석

  • Su Jin Kim (Fruit Research Division, National Institute of Horticultural and Herbal Science) ;
  • Dong Hoon Lee (Fruit Research Division, National Institute of Horticultural and Herbal Science) ;
  • Youn Young Hur (Fruit Research Division, National Institute of Horticultural and Herbal Science) ;
  • Dong Jun Im (Fruit Research Division, National Institute of Horticultural and Herbal Science) ;
  • Seo Jun Park (Fruit Research Division, National Institute of Horticultural and Herbal Science)
  • 김수진 (국립원예특작과학원 과수과) ;
  • 이동훈 (국립원예특작과학원 과수과) ;
  • 허윤영 (국립원예특작과학원 과수과) ;
  • 임동준 (국립원예특작과학원 과수과) ;
  • 박서준 (국립원예특작과학원 과수과)
  • Received : 2023.05.04
  • Accepted : 2023.06.08
  • Published : 2023.10.01
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Abstract

This study was conducted to investigate the growth and fruit characteristics of recently introduced or bred varieties in Korea and to review domestic adaptability. As for the sprouting rate among cultivars, 'Stella' was the highest at 91.6%, followed by 'My Heart' (78.3%), 'IFG-6' (77.3%), and 'Hongju Seedless' (73.2%). As for the flower incidence rate by cultivar, 'Stella' was the highest at 113.5%, and 'IFG-6' had a lower flower incidence at 45.3% compared to other cultivars. The diameter of shoots was less than 11.0 mm in the other three cultivars except for 'Hongju Seedless', and 'Hongju Seedless' was the thickest at 12.5 mm and 'Stella' was the thinnest at 9.6 mm. The berry weight of 'My Heart' was 11.3 g, heavier than other cultivars, followed by 'Stella', 'IFG-6' and 'Hongju Seedless'. Soluble sugar content at harvest time by cultivar was about 19.0°Bx or higher, with 'IFG-6' having the highest level of 20.2°Bx, followed by 'My Heart', 'Stella', and 'Hongju Seedless'. Acidity was the lowest in 'My Heart' at 0.39%, followed by 'IFG-6', 'Stella' and 'Hongju Seedless'. As for the coloring, in the case of 'My Heart', the skin color did not change to red even after the harvest season, therefore the grapes were irregularly colored, so it was judged that the development of cultivation technology to enhance the coloring was necessary.

본 연구에서는 국내에서 최근 도입되거나 육종된 품종 등을 대상으로 생육 및 과실 특성을 알아보고 국내 적응성을 검토하기 위해 수행되었다. 품종간 발아율은 'Stella'가 91.6%로 가장 높았고, 'My Heart'(78.3%), IFG-6(77.3%), 'Hongju Seedless'(73.2%) 순이었다. 품종별 꽃송이 발생률을 보면 'Stella' 품종이 113.5%로 가장 높았으며 'IFG-6' 품종의 꽃송이 발생률은 45.3%로 다른 품종에 비해 낮았다. 신초의 굵기는 'Hongju Seedless'를 제외하고 나머지 세 품종에서는 11.0 mm 이하로 조사되었으며, 'Hongju Seedless'는 12.5 mm로 가장 굵고 'Stella'는 9.6 mm로 가장 얇은 것으로 나타났다. 과립 무게는 'My Heart' 품종이 11.3 g으로 다른 품종에 비해 무거웠으며, 'Stella', 'IFG-6', 'Hongju Seedless' 순으로 나타났다. 품종별 수확기 당도는 약19.0°Bx 이상이었으며, 'IFG-6'가 20.2°Bx로 가장 높았으며, 'My Heart', 'Stella', 'Hongju Seedless' 순으로 낮았다. 산도 함량은 'My Heart' 품종이 0.39%로 가장 낮았으며, 'IFG-6', 'Stella', 'Hongju Seedless' 순으로 높았다. 착색은 'My Heart'의 경우 수확기가 지났는데도 불구하고 과피색이 붉은색으로 잘 변하지 않았으며, 불규칙적으로 포도에 착색이 되는 특징이 있어 착색을 증진시킬 수 있는 재배 기술의 개발이 필요할 것으로 판단되었다.

Keywords

Acknowledgement

본 결과물은 농림축산식품부의 재원으로 농촌진흥청(과제번호: PJ015155)의 지원을 받아 연구되었음. 본 연구는 2023년도 농촌진흥청(국립원예특작과학원) 전문연구원 과정 지원사업에 의해 이루어진 것임.

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