Table Grape Postharvest Management and Safety Issues

Rapid loss of grape berry quality after harvest occurs due to poor postharvest management. Understanding physiological properties between cultivars is required to develop practical technologies to control fast quality deterioration of tables grapes. Physiological characteristics of whole cluster, rachis and berries were examined to find their effects on postharvest behaviour of table grapes. 'Tamnara' showed high respiration rate and browning of rachis compared to 'Campbell Early'. Weight loss of rachis of 'Cheongsoo' was highest of three cultivars. Berry decay in 'Cheongsoo' begins at the connection portion between peduncle and berry, and berry decay of 'Cheongsoo' was the most severe among three cultivars. Precooling at 0℃ showed better results than cooling at 10℃ regardless of cultivars but cooling effect decreased when simulated marketing period increased up to 10 days. Plastic film wrapping was effective on reducing decay in general but not at higher marketing temperature. For successful commercialization of newly developed grapes, the inhibition technology of rachis browning in 'Tamnara' is required and decay control in 'Cheongsoo' through establishment of cold chain system is recommended.

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Physiological properties of grape cluster portions between cultivars and the effect of postharvest cooling on the marketability

민정호¹,

임병선²,

최윤수³

et al. 2012

CNU Journal of Agricultural Science

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Table Grape Postharvest Management and Safety Issues

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Physiological properties of grape cluster portions between cultivars and the effect of postharvest cooling on the marketability

Physiological properties of grape cluster portions between cultivars and the effect of postharvest cooling on the marketability

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