Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Effect of Nursery Period on the Growth and Yield of Green Papaya (Carica papaya) Production under Non-Heated Greenhouse

청과용 파파야 무가온 생산시 육묘기간이 생육특성 및 수량에 미치는 영향

  • Seong, Ki-Cheol (Research Institute of Climate Change and Agriculture, NIHHS, RDA) ;
  • Kim, Chun Hwan (Research Institute of Climate Change and Agriculture, NIHHS, RDA) ;
  • Jeong, Yong Bin (Research Institute of Climate Change and Agriculture, NIHHS, RDA) ;
  • Lim, Chan Gyu (Research Institute of Climate Change and Agriculture, NIHHS, RDA) ;
  • Moon, Doo Kyong (Research Institute of Climate Change and Agriculture, NIHHS, RDA)
  • 성기철 (국립원예특작과학원 온난화대응농업구소) ;
  • 김천환 (국립원예특작과학원 온난화대응농업구소) ;
  • 정영빈 (국립원예특작과학원 온난화대응농업구소) ;
  • 임찬규 (국립원예특작과학원 온난화대응농업구소) ;
  • 문두경 (국립원예특작과학원 온난화대응농업구소)
  • Received : 2016.07.04
  • Accepted : 2016.09.23
  • Published : 2016.09.30
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Abstract

This study was conducted to investigate the effect of nursery period on growth and yield attribute of green papaya (var. Red lady). The nursery period was 3, 5, 7, 9, 11 and 13 months and the green papaya was transplanted on 15 April, 2015 in a non-heated greenhouse. The plant height, node number and fresh weight of nursery plant were increased as the nursery periods increased. The growth of green papaya with 13 months nursery period was better than those of other treatments. First harvest after transplanting was increased as the nursery periods were shorten. It took 137 days (18 August) at 13 months treatment, and 184 days (2 October) at 3 months treatment. The fruit length and diameter were smallest at 3 months treatment and there was no significant difference among other treatments. The fruit yield was also influenced by the nursery periods, the commercial yield was also increased as the nursery periods increased. The commercial yield was highest at 13 months treatment (3,172kg/10a), followed by 11 (2,247kg/10a) and 9 months treatment (2,357kg/10a). At 7 and 5 months treatment were 1,942kg/10a and 1,787kg/10a, respectively and the yield was lowest at 3 months treatment (1,443kg/10a). The commercial yield was significantly decreased under 7 months treatment. Although the harvest time of 11 months treatment was earlier than that of other treatments in non-heated greenhouse, 9 month treatment will be more recommendable for green papaya production because of operating costs.

본 시험은 청과용 그린 파파야 무가온 생산시 육묘기간이 생육 및 수량특성에 미치는 영향을 구명하고자 'Red lady' 품종을 이용하여 수행하였다. 육묘기간은 3개월부터 13개월 까지 6처리로 하였으며 2015년 4월 15일 무가온 하우스내에 정식하였다. 육묘기간에 따른 정식 전 파파야 묘의 초장, 마디수, 생체중 등은 육묘기간이 긴 묘일수록 높았으며, 13개월 육묘에서 가장 생육이 좋았다. 첫 수확일수는 육묘기간이 짧아질수록 길어졌으며 13개월 육묘에서 137일(8월 18일)이 소요되었고 3개월 육묘에서 184일(10월 2일)로 가장 길었다. 과일특성은 육묘기간이 짧았던 3개월 육묘에서 과장과 과경이 가장 작았으나 나머지 처리 간에는 차이를 보이지 않았다. 수량은 육묘기간에 따라 영향을 받았으며 상품수량 역시 육묘기간이 길어짐에 따라 증가하였다. 13개월 육묘에서 가장 많았으며(3,172kg), 다음이 11개월(2,247kg) 및 9개월(2,357kg) 이었다. 7개월과 5개월에서 각각 1,942kg 및 1,787kg 이었으며, 3개월 육묘에서 1,443kg으로 가장 적었다. 특히 7개월 육묘 이하에서 상품수량은 1,942kg 이하로 크게 감소되었다. 이상의 결과 청과용 그린 파파야 무가온하우스 재배시 수확기를 앞당기기 위해서는 11개월 육묘가 유리하겠으나, 경영비 등을 고려한다면 9개월 정도 육묘가 바람직할 것으로 생각된다.

Keywords

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