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The Effect of Cultivars, Cultivation Periods and Regions of Chicory on the Storability of Chicon During MA Storage  

Kang, Ho-Min (Dept. of Horticulture, Kangwon Nat'l. Univ.)
Seo, Hyun-Taek (Dept. of Horticulture, Kangwon Nat'l. Univ.)
Won, Jae-Hee (Gangwon Provincial ARES)
Kim, Hyuk-Su (Dept. of Horticulture, Kangwon Nat'l. Univ.)
Kim, Il-Seop (Dept. of Horticulture, Kangwon Nat'l. Univ.)
Publication Information
Journal of Bio-Environment Control / v.19, no.2, 2010 , pp. 109-116 More about this Journal
Abstract
Chicons are kinds of sprout vegetables which forced from the roots of chicory (Cichorium intybus L.). Experiments were performed to investigate the proper cultivation period and region of chicories which are 3 different cultivars for improving storability of chicon. The fresh weight of chicon packed with 20 ${\mu}m$ LDPE film decreased less than 0.5% during the storage at $10^{\circ}C$ in all treatments, and Chuncheon region treatment and 'Focus' cultivar treatment showed higher fresh weight loss than the others. And it decreased higher, as the cultivation periods was longer. The oxygen content in film was from 8% to 17% during storage at $10^{\circ}C$. There was not any significantly different oxygen content among cultivar treatments and cultivation region treatments, but 100 days' cultivation period treatment showed the highest content than the others. The carbon dioxide content in film showed around 3% during storage at $10^{\circ}C$. It also did not influenced by cultivars and cultivation regions, but 100 days' cultivation period treatment showed the lowest content than the others. The ethylene content in film was changed dramatically from 2 to 14 ${\mu}l{\cdot}l^{-1}$, and it showed around 8 ${\mu}l{\cdot}l^{-1}$ as approaching to 21 days after storage at $10^{\circ}C$. The visual quality of chicon deteriorated below marketability level from 12 days after storage at $10^{\circ}C$, and that of 'Metafora' cultivars decreased the highest. That of Pyeongchang region treatment was kept higher, and 'Vintor' cultivar treatment showed highest visual quality than the others which were grown in Pyeongchang region. The firmness of chicon increased, as the cultivation period was longer regardless of cutlivars and cultivation regions. The russet spotting that is ethylene injury symptom of chicon appeared at the latter term of storage and was higher in Chuncheon region treatment. Conculsionally, chicory that is for producing chicon should be grown more than 120 days in Kangwon region and grown in high-land region like Pyeongchang to improve the storability of chicon.
Keywords
carbon dioxide; ethylene; firmness; oxygen; russet spotting; visual quality;
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Times Cited By KSCI : 4  (Citation Analysis)
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