Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Fruit Quality and Occurrence of Brown Leaf Spot Disease (Pseudocercospora vitis) according to the Width of Plastic Shelter in the Grape 'Campbell Early'

포도 '캠벨얼리'의 비가림 폭에 따른 과실품질 및 갈색무늬병 발생양상

  • Kim, Su Jin (Fruit Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Park, Seo Jun (Fruit Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Hur, Youn Young (Fruit Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Nam, Jong Chul (Fruit Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Ko, Sang Wook (Fruit Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Jung, Sung Min (Fruit Research Division, National Institute of Horticultural and Herbal Science, RDA)
  • 김수진 (국립원예특작과학원 과수과) ;
  • 박서준 (국립원예특작과학원 과수과) ;
  • 허윤영 (국립원예특작과학원 과수과) ;
  • 남종철 (국립원예특작과학원 과수과) ;
  • 고상욱 (국립원예특작과학원 과수과) ;
  • 정성민 (국립원예특작과학원 과수과)
  • Received : 2015.02.16
  • Accepted : 2015.06.02
  • Published : 2015.06.30
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Abstract

The objective of this experiment was to evaluate the effects of application wide plastic shelter (WPS) in the 'Campbell Early' grape. WPS was developed 30cm wider than standard plastic shelter (SPS; 210cm). Under the plastic shelter, the average daily temperature was $2{\sim}3^{\circ}C$ higher than ambient temperature, but WPS treatment was $0.5{\sim}1^{\circ}C$ higher than SPS treatment. However, relative humidity 15~20% lower than ambient and shown different result between two treatments annually. The occurrence of brown leaf spot disease caused by Pseudocecospora vitis on the vineyard decreased 55.6% (2012) and 17.2% (2013) under WPS than SPS. Grape bunches collected two harvest seasons (2012, 2013), were analyzed fruit quality (total soluble solid; TSS, titratable acidity; TA, berry weight, berry size). In 2012, grapes had no differences in the quality of two treatments, but in 2013, significantly increase $0.4^{\circ}Bx$ of TSS and decrease 0.8% of TA on the WPS than SPS. It suggests that the application WPS reduced the incidence of brown leaf spot disease annually, and then affect to the fruit quality.

본시험은 포도 캠벨얼리의 광폭 비가림 설치 효과를 평가하기 위해 실시되었다. 광폭비가림은 비가림의 폭이 기존의 표준 비가림보다 30 cm 넓게 구성되어 있다. 비가림처리는 모두 대기온도보다 $2{\sim}3^{\circ}C$ 높게 나타났고 광폭비가림하에서 일 평균온도는 $0.5{\sim}1^{\circ}C$ 정도표준 비가림보다 높게 나타났다. 상대습도는 대기습도보다 15~20% 낮게 나타났으며 연차간 차이를 보였다. Pseudocecospora vitis 에 의해 발생하는 포도 갈색무늬병의 발생은 2012년에는 광폭비가림이 표준비가림 보다 55.6% 적게 나타났고 2013년에는 17.2% 적게 나타났다. 포도는 2년에 걸쳐 수확하였고 당함량, 산함량, 과립중, 과립크기 등 과실품질을 측정하였다. 그 결과 2012년에는 처리간 차이가 명확하지 않았으나 2013년에는 광폭비가림이 당함량이 $0.4^{\circ}Bx$ 높았고 산함량은 0.8% 낮은 결과를 나타내었다. 이는 광폭 비가림의 적용이 갈색무늬병의 발생 정도를 낮추고, 과실품질에 영향을 미치는 것을 시사한다.

Keywords

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