Controlled atmosphere storage to decrease physiological disorders in nectarines

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Abstract
Summary: ‘Fantasia’, ‘Flavortop’, and ‘Flamekist’ nectarines were examined for their response to controlled atmosphere (CA) storage. All three cultivars stored well for up to 6 weeks at 0°C in an atmosphere of 10% O2+ 10% CO2, while some but not all the cultivars also stored well in 2% O2+ 5% CO2 or 10% O2+ 5% CO2. The physiological storage disorders of internal breakdown and reddening were almost completely absent in nectarines kept in 10% O2+ 10% CO2. When ‘Flamekist’ nectarines from two harvests were stored in 10% O2+ 10% CO2 atmosphere for 6 or 8 weeks at 0°C, the fruit from the first harvest was of better quality after post‐storage ripening. Although this controlled atmosphere prevented internal breakdown and reddening, after extended storage fruit did not develop the increased soluble solids content or extractable juice during post‐storage ripening that occurred in non‐stored fruit. Therefore, while preventing storage disorders, CA does not reduce the loss of ripening ability occurring during nectarine storage.