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Influence of $SO^2$ generating pad treatment on storage of grape berries

$SO^2$ 발생 패드처리가 포도 과실의 저장성에 미치는 영향

  • Lim, Byung-Seon (National Institute of Horticultural & Herbal Science, RDA) ;
  • Lee, Shin-Hee (National Institute of Horticultural & Herbal Science, RDA) ;
  • Hwang, Yong-Soo (Dept. of Horticultural Science, Chungnam National University)
  • 임병선 (국립원예특작과학원 과수과) ;
  • 이신희 (국립원예특작과학원 과수과) ;
  • 황용수 (충남대학교 원예학과)
  • Received : 2011.10.11
  • Accepted : 2011.12.18
  • Published : 2011.12.31

Abstract

The occurrence of grape berry shattering and decay is influenced by the pre- and/or postharvest infection of decay organisms and pest. Postharvest infection is associated with physical damage due to rough handling. To control quality loss during storage of table grapes, the effects of slow releasing $SO^2$ pad on storability of 'Rosario Bianco' (Vitis vinifera) and 'Campbell Early' (Vitis labruscana) grapes were examined, respectively. The $SO^2$ concentration in package of tables grapes reached to at about 40 $ug{\cdot}L^{-1}$ after 40 days of treatment and remained more than 80 days above 15 $ug{\cdot}L^{-1}$. Decay was found in untreated 'Rosario Bianco' and 'Campbell Early' grapes at each for 44 and 85 days after storage, but not in $SO^2$ pad treated grapes. The storage potential of grape berries at $0^{\circ}C$ increased 2~3 times depending on cultivar by $SO^2$ pad treatment. The application of $SO^2$ pad is confirmed to be effective on the increase of market potential with minimizing quality loss such as berry shattering and decay.

Keywords

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