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- W2294441312 abstract "본 연구는 수확 전 수체살포용 1-MCP(<TEX>$Harvista^{TM}$</TEX>)와 수확 후 훈증용 1-MCP(<TEX>$SmartFresh^{TM}$</TEX>) 처리가 '후지' 사과의 품질과 저장성에 미치는 영향을 구명하고자 실시하였다. <TEX>$Harvista^{TM}$</TEX> 처리는 수확 1, 2, 3주전 0, 95, 125, <TEX>$250mg{cdot}L^{-1}$</TEX> 농도로 각각 처리하였으며, <TEX>$SmartFresh^{TM}$</TEX> 처리는 수확 1일 후 밀폐된 공간에서 <TEX>$1{mu}L{cdot}L^{-1}$</TEX>의 농도로 18시간동안 처리하였다. 과실저장은 <TEX>$0{pm}1^{circ}C$</TEX> 조건에서 180일간 저장하였다. <TEX>$Harvista^{TM}$</TEX> 처리에 따른 수확 시 과실품질을 보면 과중, 과피 적색도, 내생에틸렌 발생량, 경도, 산 및 가용성 고형물 함량은 무처리구와 차이가 없었다. 저온저장동안 '후지' 사과의 품질변화를 보면 <TEX>$Harvista^{TM}$</TEX>를 <TEX>$250mg{cdot}L^{-1}$</TEX>의 농도로 2, 3주전에 처리한 과실이 무처리구에 비하여 과실 경도 및 산 함량이 더 높게 유지되었으며, 내생에틸렌 발생량도 무처리구에 비하여 5.5-10.0% 수준으로 현저히 낮았다. 그리고 저장기간 중 가용성고형물 함량은 차이를 보이지 않았다. <TEX>$Harvista^{TM}$</TEX> 단독처리와 <TEX>$Harvista^{TM}+SmartFresh^{TM}$</TEX> 혼용처리구는 경도, 산 함량, 내생에틸렌 발생량 모두 저장 180일 후에도 수확 시와 큰 차이를 보이지 않아 과실품질이 유지되었다. 요인간 상관분석은 <TEX>$Harvista^{TM}$</TEX> 처리시 처리농도와 무관하게 내생에틸렌 발생량이 경도 또는 산 함량과 부의 상관관계를 나타냈다. 그리고 <TEX>$Harvista^{TM}+SmartFresh^{TM}$</TEX> 혼용처리 시 <TEX>$Harvista^{TM}$</TEX> <TEX>$250mg{cdot}L^{-1}$</TEX>와 <TEX>$SmartFresh^{TM}$</TEX> 처리가 변수간 정의 상관관계를 나타내었다. 따라서, 수확 후 <TEX>$SmartFresh^{TM}$</TEX>처리에 의한 과실품질유지 효과와 함께, 고 농도의 <TEX>$Harvista^{TM}$</TEX>처리 또한 저온저장 중 과실품질 유지에도 큰 효과를 보였다. This work was carried out to evaluate the effects of preharvest 1-methylcyclopropene (1-MCP, <TEX>$Harvista^{TM}$</TEX>) and postharvest 1-MCP (<TEX>$SmartFresh^{TM}$</TEX>) treatments on the fruit quality attributes of cold-stored 'Fuji' ( Malus domestica Borkh.) apples. Fruits were exposed to 0, 95, 125, or <TEX>$250 mg{cdot</TEX><TEX>}L^{-1}$</TEX> <TEX>$Harvista^{TM}$</TEX> at 3, 2, 1 weeks before harvest (WBH), and treated with 0 or <TEX>$1{mu}{cdot}L^{-1}$</TEX> <TEX>$SmartFresh^{TM}$</TEX> at harvest. Fruit was then stored for up to 180 days at <TEX>$0{pm}1^{circ}C$</TEX>. Fruit fresh weight, Hunter's value a, internal ethylene concentration (IEC), flesh firmness, titratable acidity (TA), and soluble solids content (SSC) in fruit treated with <TEX>$Harvista^{TM}$</TEX> were not different from those of control fruit at harvest. During cold storage, flesh firmness and TA were higher in fruit treated with <TEX>$250mg{cdot}L^{-1}$</TEX> <TEX>$Harvista^{TM}$</TEX> at 2 and 3 WBH than in control fruit. IEC was 5.5-10.0% lower in fruit treated with <TEX>$250mg{cdot}L^{-1}$</TEX> <TEX>$Harvista^{TM}$</TEX> at 2 and 3 WBH compared with control fruit as storage duration progressed, while SSC was not affected. Furthermore, flesh firmness, TA, and IEC were affected neither by <TEX>$Harvista^{TM}$</TEX> nor <TEX>$Harvista^{TM}+SmartFresh^{TM}$</TEX> treatments, compared with those fruit quality attributes at harvest. The correlation maps indicated that IEC was negatively correlated with firmness and TA, regardless of <TEX>$Harvista^{TM}$</TEX> application levels. In addition, positive correlations between fruit quality attributes were detected in treatments with <TEX>$250mg{cdot}L^{-1}$</TEX> <TEX>$Harvista^{TM}+SmartFresh^{TM}$</TEX>. Therefore, the results suggest that with a single application of <TEX>$SmartFresh^{TM}$</TEX>, a higher level of <TEX>$Harvista^{TM}$</TEX> application would help in retention of fruit quality attributes during cold storage." @default.
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- W2294441312 date "2015-08-31" @default.
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- W2294441312 title "Effect of Preharvest and Postharvest 1-Methylcyclopropene (1-MCP) Treatments on Fruit Quality Attributes in Cold-stored 'Fuji' Apples" @default.
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