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Flowering and Fruit Characteristics of Dragon Fruit (Hylocereus sp.) KCI 등재

용과의 개화 및 과실 특성

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한국국제농업개발학회지 (The Journal of the Korean Society of International Agriculture)
한국국제농업개발학회 (The Korean Society Of International Agriculture)
초록

연구는 베트남에서 도입된 두 계통(Hylocereus spp)의 용과에 대하여 개화, 착과율 및 과실 특성을 조사하였다. H. polyrhizus(적색 계)의 H. undatus(백색계)의 개화시작은 각각 7월 9일과 7월20일이었다. 주된 개화시기는 백색계는 8월 하순~9월 상순(69%),H. polyrhizus는 8월 상순~하순(52%)이었다. 두 계통의 최종 개화기는 10월 상순이었다. 착과율은 H. polyrhizus가 45.5%로 90.4%인 H. undatus보다 낮게 나타났다. H. undatus의 평균과중은 301.2g으로 H. polyrhizus보다 1.3배 무거웠다. H. polyrhizus의 총가용성고형물은 12.6 °Brix로 H. undatus(10.7 °Brix)보다 높았으며, 특히 8월초에 개화된 것이 13.0 °Brix로 나타났다. 계통에 따른 산함량 차이는 미미하였다.

This study was carried out to investigate the flowering and fruit characteristics of two types of dragon fruit (Hylocereus spp) introduced from Vietnam. The first flowering dates of H. polyrhizus (with red flesh) and H. undatus (with white flesh) were July 9 and July 20, respectively. The major flowering periods were from late August to early September (69%) in H. undatus and early to mid August (52%) in H. polyrhizus. Both dragon fruits have early October as their last flowering date. Fruit set rate of H. polyrhizus was 45.5%, while H. undatus indicated 90.4%. The average weight of fruit of H. undatus was 301.2g and 1.3 times heavier than that of H. polyrhizus (237.4 g). Total soluble solids (TSS) content in H. polyrhizus was 12.6 °Brix which is higher than H. undatus at 10.7 °Brix. This is especially true with plants that flowered in early August (13.0 °Brix). There were little differences in their organic acid contents.

저자
  • Misun Kim(Agricultural Research Center for Climate Change, National Institute of Horticultural and Herbal Science, RDA) | 김미선
  • Seong-Cheol Kim(Agricultural Research Center for Climate Change, National Institute of Horticultural and Herbal Science, RDA) | 김성철
  • Seung Jong Chun(Agricultural Research Center for Climate Change, National Institute of Horticultural and Herbal Science, RDA) | 전승종 Corresponding author
  • Eun-Young Song(Agricultural Research Center for Climate Change, National Institute of Horticultural and Herbal Science, RDA) | 송은영
  • Chan Kyu Lim(Agricultural Research Center for Climate Change, National Institute of Horticultural and Herbal Science, RDA) | 임찬규