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PH—Postharvest Technology:Effect of Harvest and delaying Controlled Atmosphere Storage Conditions on Core Breakdown Incidence in ‘Conference’ Pears

Authors
Journal
Biosystems Engineering
1537-5110
Publisher
Elsevier
Publication Date
Volume
83
Issue
3
Identifiers
DOI: 10.1006/bioe.2002.0127
Disciplines
  • Political Science

Abstract

Abstract A logistic regression model was built to describe the effect of picking time and the most relevant commercially applied storage factors on the incidence of core breakdown in pears ( Pyrus communis L. cv. Conference). The statistical analysis showed that the probability of core breakdown depended on several variables in a more complicated way than assumed before. In general, more mature fruit, stored at lower O 2 and higher CO 2 concentrations, at a higher temperature and for longer times are more susceptible to core breakdown. However, delaying the controlled atmosphere (CA) conditions for 21 days decreased the core breakdown incidence efficiently even for late-picked fruit. Together with a proper delay of CA, a sufficiently high O 2 concentration during CA was most important. The model was validated with data of 16 orchards gathered over five harvest seasons in two countries which gives it a wide validity range and a high practical relevance.

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