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New Columnar Apple Variety 'Tinkerbell' for Pollenizer

사과 무측지성 수분수용 신품종 '팅커벨'

  • Kwon, Soon-Il (Apple Research Institute, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Kwon, Young Soon (Apple Research Institute, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Park, Jong-Taek (Floriculture Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Kim, Mok-Jong (Namhae Sub-Station, National Institute of Horticultural and Herbal Science, RDA) ;
  • Kim, Jeong-Hee (Apple Research Institute, National Institute of Horticultural & Herbal Science, Rural Development Administration)
  • 권순일 (국립원예특작과학원 사과연구소) ;
  • 권영순 (국립원예특작과학원 사과연구소) ;
  • 박종택 (국립원예특작과학원 원예작물부 화훼과) ;
  • 김목종 (국립원예특작과학원 남해출장소) ;
  • 김정희 (국립원예특작과학원 사과연구소)
  • Received : 2016.06.23
  • Accepted : 2016.09.09
  • Published : 2016.09.30

Abstract

This research was performed to breed new columnar-typed apple variety for pollinator in apple orchard. We cross-fertilized 'Hongro' that was an ovary parent and 'Maypole' a pollen parent in 2003. We gathered seeds in 2003 and sowed after breaking of dormancy in 2004. Seedlings was been growth and development till flowering. After fruit setting, We investigated characteristics of growth and fruit including mating compatibility from 2010 to 2012, then finally selected '03-2-95' named 'Tinkerbell' in 2012, registered as new variety on Korea Seed & Variety Service in 2015. The full bloom stage of 'Tinkerbell' was later 2 days then of 'Maypole'. Tree habit of 'Tinkerbell' was alike to of 'Maypole', for example weak tree vigor, columnar type. But there were many different characteristics between 'Tinkerbell' and 'Maypole'. Fruit shape of 'Tinkerbell' was ovoid whereas of 'Maypole' was ellipsoid. Fruit of 'Tinkerbell' was bigger, smoother skin, no waxy bloom than of 'Maypole'. Fruit of 'Tinkerbell' was more delicious than of 'Maypole' because of having higher soluble sugar content and lower titratable acidity. 'Tinkerbell' was excellent pollinator in apple orchard. Because of having high fruit setting rate with major apple varieties and a narrow tree width that was advantageous as pollinator in apple high density system.

무측지성 수분수용 사과 품종 개발을 위해 '홍로'를 자방친, '메이폴'을 화분친으로 하여 교배한 교배실생을 조사 선발하여 '팅커벨'로 명명, 국립종자원에 품종보호 등록을 완료하였다. '팅커벨' 육성 과정은 2003년에 인공교배를 실시하여 2009년까지 과실 및 생육특성을 조사하여 1차 선발하였다. 계통명 '03-2-095'로 2010년부터 2012년까지 과일특성 및 주요 품종과의 교배친화성을 평가한 후 최종 선발하였다. '팅커벨'은 대조품종 '메이폴'에 비해 만개기가 약 2일 정도 늦고, 수세가 약하고 가지 발생이 거의 없는 무측지성을 보인다. 대조품종 '메이폴'의 과형이 '타원형'인데 비해 '팅커벨'의 과형은 '넓은 타원형'이다. '팅커벨'은 117g으로 '메이폴'보다 과실이 크고, 과피가 매끈하며 과분이 없다는 점에서 차이가 있었다. '팅커벨'의 당도는 $12.3^{\circ}Bx$로 '메이폴' $10.75^{\circ}Bx$ 보다 높고, 산도는 1.2%로 '메이폴' 1.8% 보다 낮아서 당산비가 '메이폴' 보다 개선되었다. 주요 품종과의 인공교배시 착과율은 '후지' 90.8%, '홍로' 94.9%, '쓰가루' 71.0%로 매우 높을 뿐만 아니라 수폭은 70cm이므로 사과 밀식재배체계에 아주 적합한 수분수용 신품종으로 판단된다.

Keywords

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