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Analysis on Growth and Yield of Cherry Tomato Grown in a Two-Story Bed System Adapted to Strawberry Cultivation as Affected by the Planting Time during the Uncultivated Period

딸기 재배용 2단 베드 시스템에서 휴작기 이용 방울토마토 재배 시 정식 시기에 따른 생육과 생산성 분석

  • Choi, Hyo Gil (Protected Horticulture Research Institute, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Moon, Byoung Yong (Department of Biological Sciences, Inje University) ;
  • Kang, Nam Jun (Institute of Agriculture & Life Science, Gyeongsang National University) ;
  • Ko, Dae Whan (Gyongsangbuk-do Agricultural Research & Extension Services) ;
  • Kwon, Joon Kook (Protected Horticulture Research Institute, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Lee, Jae Han (Protected Horticulture Research Institute, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Park, Kyoung Sub (Protected Horticulture Research Institute, National Institute of Horticultural and Herbal Science, Rural Development Administration)
  • 최효길 (국립원예특작과학원 시설원예연구소) ;
  • 문병용 (인제대학교 생명과학부) ;
  • 강남준 (경상대학교 농업생명과학연구원) ;
  • 고대환 (경상북도농업기술원) ;
  • 권준국 (국립원예특작과학원 시설원예연구소) ;
  • 이재한 (국립원예특작과학원 시설원예연구소) ;
  • 박경섭 (국립원예특작과학원 시설원예연구소)
  • Received : 2015.11.09
  • Accepted : 2016.03.23
  • Published : 2016.04.30

Abstract

This study was conducted to determine the yield of cherry tomato (Solanum lycopersicum Mill.) grown at three planting times during the uncultivated period of strawberry. Cherry tomato was planted under condition filled with strawberry dedicated culture medium on a two-story bed with April 20, April 30, and May 10 at 2015. Fruit harvest was completed on July 31. The supply concentration of nutrient solution at the time of transplanting was started as EC $1.2dS{\cdot}m^{-1}$ and it was gradually increased to EC $2.5dS{\cdot}m^{-1}$ after blooming of the first flower cluster. Netherlands PBG solution was supplied for one minute six times per day. The heights of cherry tomato plants planted at earlier were significantly greater than those of tomato plants planted later. The heights of cherry tomato plants grown at the bottom of the bed were greater than those grown in the upper bed. The yield of cherry tomatoes planted on April 20 at the bottom of the bed was greatest with an average of 2,954 g of tomatoes per plant. There were no significant differences in the average weight and sugar content of fruit according to planting times and bed position. The yield of cherry tomato plants planted on April 20 was 18% and 34% higher than that of plants planted on April 30 and May 10. We confirmed to increase the yield of the cherry tomato when early plants planted on two-story bed. These results indicate that farmers can choose the best period of producing cherry tomato during the un-cultivated period of strawberry under two-story bed conditions.

본 실험은 딸기 재배 후 휴작기에 후작물로 방울토마토 '루비'의 정식시기에 따른 생산성을 결정하기 위하여 수행하였다. 방울토마토는 딸기 전용상토로 충진된 2단 고설 벤치에 2015년 4월 20일, 4월 30일 그리고 5월 10일에 정식되었다. 과일의 수확 조사는 7월 31일까지 이루어졌다. 양액농도는 정식초기에 EC $1.2dS{\cdot}m^{-1}$로 시작하여 점진적으로 농도를 높여 1화방 개화 후에는 EC $2.5dS{\cdot}m^{-1}$로 공급하였다. 네덜란드의 PBG 양액을 이용하여 공급주기를 하루에 1분 6회로 공급하였다. 정식시기에 따른 방울토마토의 식물체 길이생장은 상단에 비하여 하단에 정식한 것이 유의하게 컸었으며, 일찍 정식한 것이 늦게 정식한 식물체 보다 길이생장이 컸다. 과일의 생산량은 4월 20일 하단베드에 정식한 방울토마토의 식물체당 평균 수확량이 2,954g으로 가장 높았다. 정식 시기나 베드 위치에 따른 과일의 평균무게나 과일의 당도에는 유의한 차이가 없었다. 방울토마토의 총 생산량은 4월 20일에 정식한 것이 4월 30일과 5월 10일에 정식한 방울토마토에 비하여 각각 18%와 34%로 높았다. 우리는 방울 토마토를 일찍 정식하였을 때, 생산량이 증가되는 것을 확인하였다. 이 결과는 농민들에게 2단 베드에서 딸기 후작물로 방울토마토의 재배 기간을 선택하는데 도움을 줄 것으로 판단된다.

Keywords

References

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