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http://dx.doi.org/10.7235/hort.2013.12104

Characteristics of Everbearing Strawberry Cultivars and the Effect of Precooling Treatment to Maintain Quality of 'Charlotte' Cultivar Grown on Highland in Summer Season  

Hwang, Dae Keun (Cheorwon-gun Agricultural Technology Center)
Eum, Hyang Lan (Department of Plant Science, College of Life Sciences, Gangneung-Wonju National University)
Yeoung, Young Rog (Department of Plant Science, College of Life Sciences, Gangneung-Wonju National University)
Park, Kuen Woo (Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University)
Hong, Sae Jin (Department of Plant Science, College of Life Sciences, Gangneung-Wonju National University)
Publication Information
Horticultural Science & Technology / v.31, no.3, 2013 , pp. 282-288 More about this Journal
Abstract
This study was conducted to investigate the quality characteristics of eight everbearing strawberry cultivars and the effect of precooling treatment to maintain the quality during storage and shelf life of 'Charlotte'. Several quality parameters including firmness, soluble solids content (SSC), color, soluble sugars, and organic acids were evaluated. For Successful marketing everbearing strawberries required more than 1 N of firmness and $6^{\circ}Brix$ of SSC, respectively. 'Albion', 'Charlotte', and 'Goha' cultivars were higher in fruit SSC and 'Charlotte' cultivar was higher in fruit firmness among eight cultivars examined in this study. Fruit had more bright red color in 'Charlotte', 'Flamingo', 'GW-4', and 'San Andreas', which may reflect the consumer acceptance. Physicochemical characteristics of 'Charlotte' strawberry after with/without room precooling treatment were evaluated during storage at $4^{\circ}C$, $10^{\circ}C$, and $25^{\circ}C$ and additional 3 days at $25^{\circ}C$ for shelf-life. Weight loss increased about 8% in the fruits stored at $25^{\circ}C$ for 3 days, while in low temperature storage was about 2% for 7 days showing precooling was more effect on during shelf life periods rather than storage periods. Decay was not found during storage at $4^{\circ}C$ regardless of precooling treatment, but fungal growth was found in all the treatments after transferred to room temperature. Precooling treatment did not affect fruit color in shelf life period. For advanced marketing, everbearing strawberry should maintain in low temperature less than $4^{\circ}C$ to sustain quality, but the room precooling showed less significant effect to maintain quality on 'Charlotte' cultivar.
Keywords
comparison of cultivars; room precooling; storage temperature;
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Times Cited By KSCI : 3  (Citation Analysis)
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