Effect of Planting Time on Growth and Yield of Artichoke (Cynara scolymus L.) for Non-Heated Cultivation in Jeju Island

제주지역에서 무가온 하우스재배시 아티초크 정식시기가 생육 및 수량에 미치는 영향

  • Seong, Ki-Cheol (Agricultural Research Center for Climate Change, NIHHS, RDA) ;
  • Kim, Chun-Hwan (Agricultural Research Center for Climate Change, NIHHS, RDA) ;
  • Moon, Doo-Kyong (Agricultural Research Center for Climate Change, NIHHS, RDA) ;
  • Lee, Jin-Su (Agricultural Research Center for Climate Change, NIHHS, RDA)
  • 성기철 (국립원예특작과학원 온난화대응농업구센터) ;
  • 김천환 (국립원예특작과학원 온난화대응농업구센터) ;
  • 문두경 (국립원예특작과학원 온난화대응농업구센터) ;
  • 이진수 (국립원예특작과학원 온난화대응농업구센터)
  • Received : 2010.02.10
  • Accepted : 2010.02.25
  • Published : 2010.03.30

Abstract

This experiment was carried out to investigate the effect of planting times on the growth and yield of artichoke (Cynara scolymus L.) in non-heated greenhouse in Jeju Island ($33^{\circ}28.110N,\;126^{\circ}31.076E$), Korea. Five transplanting dates (from Feb. 25 to Apr. 30) of the first half of the year and six transplanting dates (from July 30 to Dec. 15) of the second half of the year were compared. In the spring cycle, most of the flower buds emerged from May to June, and the emergence was slightly earlier in 'Imperial Star' than in 'Green Globe'. The earliest harvest on June 16 was 'Imperial Star' which was planted on Feb. 25. The highest yield of 856 kg/10a was observed in 'Imperial Star' which was planted on Feb. 25. Transplanting of the first half of the year, it was impossible to harvest in the same year when the planting was done after April 15 since the flower buds were not emerged. The flower buds emerged from late Feb. to middle April of the following year in the all planting times of the second half of the year. It was possible to harvest the first time in early April. The highest yield was 2,127 kg/10a in 'Green Globe' which was planted on July 30, and the yields decreased as the planting times were delayed. In the comparisons of planting times of artichoke, it would be recommendable to plant artichoke on Feb. 25 for the same year harvest and in July 30~Oct. 15 for the following year harvest in Jeju Island non-heated greenhouse cultivation.

본 시험은 제주에서 무가온 하우스 재배시 아티초크의 정식시기가 생육 및 수량에 미치는 영향을 구명코자 'Imperial Star'와 'Green Globe' 2품종을 사용하여 정식 시기는 전반기 5회(2월 25일~4월 30일), 후반기 6회(7월 30일~12월 15일)로 하였다. 전반기 정식에 있어서 화뢰 출현은 5~6월에 이루어졌는데 'Imperial Star' 품종이 'Green Globe' 품종에 비해 빨랐다. 첫 수확은 2월 25일 정식한 'Imperial Star' 품종에서 6월 16일로 가장 빨랐다. 수량은 전반기 정식의 경우 2월 25일 정식한 'Imperial Star' 품종에서 856kg/10a로 가장 많았다. 4월 15일 이후 정식에서는 두 품종이 모두 화뢰 출현이 이루어지지 않아 연내 수확이 불가능 하였다. 후반기 정식의 경우 화뢰 출현은 모든 처리구에서 이듬해 2월 하순~4월 중순경에 이루어졌으며 7월 30일 정식한 'Imperial Star' 품종에서 2월 26일로 'Green Globe' 품종에 비해 18일 빨랐다. 첫 수확은 4월 초순부터 가능하였으며 수량은 7월 30일 정식한 'Green Globe' 품종에서 2,127kg/ 10a로 가장 많았으며, 이후 정식시기가 늦어짐에 따라 감소되었다. 정식시기를 전반기와 후반기로 나누어 정식일에 따른 생육과 수량을 비교한 결과, 제주지역 무가온 하우스에서 아티초크의 연내 수확을 위해서는 2월 25일 정식이, 이듬해 수확을 위해서는 7월 30일~10월 15일 사이에 정식하는 것이 생육 및 수량성에서 바람직할 것으로 생각되었으며 정식시기가 전반기일 경우는 'Imperial Star' 품종을 후반기일 경우는 'Green Globe' 품종을 선택하는 것이 유리할 것으로 생각 되었다.

Keywords

References

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