Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Possibility of Y-shaped Cultivation of New Interspecific Hybrid Plumcot (Prunus salicina × Prunus armeniaca cv. Harmony) for Plant Resources Utilization

식물자원 활용 증진을 위한 새로운 종간교잡 플럼코트 '하모니'의 Y자 수형 재배 가능성 검토

  • Kim, Su Jin (Fruit Research Division, National Institute of Horticultural & Herbal Science) ;
  • Yoon, Ik Koo (Fruit Research Division, National Institute of Horticultural & Herbal Science) ;
  • Nam, Eun Young (Fruit Research Division, National Institute of Horticultural & Herbal Science) ;
  • Gwon, Jung Hyun (Fruit Research Division, National Institute of Horticultural & Herbal Science) ;
  • Kim, Sung Jong (Fruit Research Division, National Institute of Horticultural & Herbal Science) ;
  • Chung, Kyeong Ho (Fruit Research Division, National Institute of Horticultural & Herbal Science) ;
  • Jun, Ji Hye (Provincial Agricultural Research & Extension Services, Rural Development Administration) ;
  • Yun, Seok Kyu (Fruit Research Division, National Institute of Horticultural & Herbal Science)
  • 김수진 (국립원예특작과학원 과수과) ;
  • 윤익구 (국립원예특작과학원 과수과) ;
  • 남은영 (국립원예특작과학원 과수과) ;
  • 권정현 (국립원예특작과학원 과수과) ;
  • 김성종 (국립원예특작과학원 과수과) ;
  • 정경호 (국립원예특작과학원 과수과) ;
  • 전지혜 (농촌진흥청 국제기술협력과) ;
  • 윤석규 (국립원예특작과학원 과수과)
  • Received : 2017.06.02
  • Accepted : 2017.09.11
  • Published : 2017.10.31
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Abstract

In a plumcot 'Harmony' cultivar, which is an interspecific hybrid between plum and apricot, canopy occupation and productivity according to tree training system, Y shape with no trellis (YNT) and Y-palmette with trellis (YPT), were compared. According to the survey results for 5 years of planting, tree growth was similar in two training systems. However, canopy occupation and fruit yield of YPT were significantly higher than those of YNT. The fruit weight and sugar content were not significantly different between two systems. The fruit drop rate tended to be lower in YPT than in YNT. From the above results, it is expected that the YPT type will contribute to the increase of canopy occupation and fruit yield and reducing the fruit drop rate compared to the YNT.

자두와 살구의 종간 교잡 과종인 플럼코트 'Harmony' 품종의 생산성 향상을 위해 재식거리 $6{\times}3m$ 조건에서 덕이 없는 Y자 수형, Y자 팔메트 수형으로 재배하고 수체 생장, 과실 특성, 과실 수확량을 비교하였다. 재식 5년차의 조사 결과에 의하면, 덕이 없는 Y자 수형, Y자 팔메트 수형에서 수체 생장량은 유사하였으나 수관 점유율은 Y자 팔메트 수형에서 높았고, 주당 수확 과실수 및 수확량도 Y자 팔메트 수형에서 높았다. 과실의 과중과 가용성고형물 함량은 수형간에 차이가 미미하였으며 덕이 있는 Y자 수형에서 과실 낙과율이 낮은 경향이었다. 재식 4~5년차의 결과로 보아 Y자 팔메트 수형은 덕이 없는 Y자 수형에 비해 수관점유율 확대가 빠르며, 과실 착과량이 증가하고, 과실 낙과율을 경감하여 수확량 증대에 기여할 것으로 예상된다.

Keywords

References

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