생물환경조절학회지 (Journal of Bio-Environment Control)

  • 제24권4호
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  • Pages.296-300
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  • 2015
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  • 1229-4675(pISSN)
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  • 2765-3641(eISSN)
한국생물환경조절학회 (The Korean Society for Bio-Environment Control)
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포도 '진옥' 품종의 무가온 하우스 재배시 착과량이 수체생육 및 과실품질에 미치는 영향

Effects of Crop Loads on Vine Growth and Fruit Quality of 'Jinok' Grape in Unheated Plastic House

  • 천미건 (경남농업기술원 연구개발국) ;
  • 김영봉 (경남농업기술원 연구개발국) ;
  • 김성란 (경남농업기술원 연구개발국) ;
  • 이강모 (경남농업기술원 연구개발국) ;
  • 홍광표 (경남농업기술원 연구개발국) ;
  • 김진국 (경상대학교 농업생명과학대학 원예학과)
  • Cheon, Mi Geon (Research and Development Bureau, Gyeongnam Agricultural Research & Extension Services) ;
  • Kim, Yeong Bong (Research and Development Bureau, Gyeongnam Agricultural Research & Extension Services) ;
  • Kim, Seong Ran (Research and Development Bureau, Gyeongnam Agricultural Research & Extension Services) ;
  • Lee, Kang Mo (Research and Development Bureau, Gyeongnam Agricultural Research & Extension Services) ;
  • Hong, Gwang Pyo (Research and Development Bureau, Gyeongnam Agricultural Research & Extension Services) ;
  • Kim, Jin Gook (Dept. of Horticulture, Gyeongsang National University)
  • 투고 : 2015.10.06
  • 심사 : 2015.12.08
  • 발행 : 2015.12.31
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초록

본 연구는 '진옥' 포도의 안정생산을 위하여 무가온 하우스에서 착과량을 조절하여 2012년부터 2014년까지 3년간 수체생육 및 과실품질을 조사하였다. 처리내용은 10a 기준으로 1.3t, 1.8t, 2.2t, 2.4t, 2.6t의 5처리로 하였다. 시험결과 신초경, 신초장, 절간장 등은 처리간 비슷한 경향이었다. 숙기는 착과량이 많아 질수록 늦어지는 경향이었으며, 포도 '진옥' 무가온 하우스 재배시 노지보다 수확기를 3주 정도 앞당길 수 있었다. 착과량이 많아질수록 수량은 많아졌으나, 평균과중은 착과량이 많을수록 작아져서 10a당 1.3t 착과한 처리구는 363g으로 가장 컸으며, 10a당 2.6t 착과한 처리구가 342g으로 가장 작았다. 가용성 고형물 함량은 착과량이 많아질수록 낮아지는 경향이었다. 수확 후 착과량에 따른 엽 및 신초내 무기성분 함량은 처리 간 비슷한 경향이었다. 따라서 포도 '진옥' 품종은 착과량이 2.4t/10a 이하이면 생산량에 따라 품질차이가 없으며, 가용성 고형물 함량 $15^{\circ}Bx$ 이상의 고품질 포도를 생산 할 수 있었으며, 위의 결과를 토대로 새롭게 육성된 '진옥' 포도의 지속적인 고품질 안전생산을 통하여 농가 소득증진에 기여할 수 있을 것으로 사료된다.

This study was conducted to investigate optimal crop loads of 'Jinok' grape for unheated plastic house culture. The crop loads of 'Jinok' grapes were managed to be 1.3, 1.8, 2.2, 2.4, and 2.6t per 10a from 2012 to 2014. We measured vine growth and berry qualities. Crop loads were not significantly affected on plant height, trunk diameter, shoot length, and the internode length of 'Jinok'. However, the maturation of berries was delayed when the crop load was higher. And the harvest date was earlier about three weeks in an unheated plastic house compared to in an open field. The average berry weight was decreased by the higher crop load although higher crop loads made higher yields showing the lowest weight at 342g with the treatment of 2.6t per 10a and the highest weight at 363g with the treatment of 1.3t per 10a. Also, the soluble solids content showed a tendency that higher crop loads brought to lower degree Brix. The contents of P, K, Ca, and Mg in grape leaves and shoots were not significantly different by crop loads. To sum up, when crop loads were under the 2.4t per 10a, the berries were harvested as a marketable fruit having $15^{\circ}Brix$ in the cultivar 'Jinok' grape. This result could help to increase grower's benefit having improved quality of fruit for the sustainable production by the established cultivation techniques for the newly developed cultivar 'Jinok'.

키워드

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