High-temperature Conditioning to Delay Internal Breakdown Development in Peaches and Nectarines

Autor:	F. Gordon Mitchell, George D. Nanos
Rok vydání:	1991
Předmět:	Controlled atmosphere biology Rosaceae Horticulture biology.organism_classification chemistry.chemical_compound Prunus chemistry Carbon dioxide Botany Postharvest Conditioning Cultivar Fruit tree
Zdroj:	HortScience. 26:882-885
ISSN:	2327-9834 0018-5345
DOI:	10.21273/hortsci.26.7.882
Popis:	Storage at 0C of `O'Henry' and `Fairtime' peaches and `Red Jim' and `September Grand' nectarines (Prunus persica L. Batsch) resulted in significantly longer postharvest life than did storage at 5C, due to differences in the development of internal breakdown (IB) symptoms. Conditioning at 20C for 2 days before storage at 0 or 5C generally prolonged the storage life of fruit of these cultivars. The use of elevated CO2 during conditioning helped maintain fruit firmness. Addition of 5% CO2 to air gave the best results in maintaining fruit firmness and freedom from IB symptoms for up to 6 weeks. Reducing the O2 content kept flesh firmness high after storage but did not delay the appearance of IB. Conditioning at 30C using various atmospheres was less effective than conditioning at 20C.
Databáze:	OpenAIRE
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