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Effect of continuous exposure to exogenous ethylene during cold storage on postharvest decay development and quality attributes of stone fruits and table grapes.

Author(s) : PALOU L., CRISOSTO C. H., GARNER D., et al.

Type of article: Article

Summary

The influence of continuous exposure to exogenous ethylene on fruit quality and on the development of postharvest brown rot of stone fruits and gray mould of table grapes during long-term cold storage was investigated using selected cultivars of table grapes (nonclimacteric) and climacteric (peach, plum, nectarine, and apricot) and nonclimacteric (sweet cherry) stone fruits. Depending on the experiment, climacteric stone fruits were exposed to various concentrations of ethylene during storage at 0, 5, or 10 °C for up to 28 days; sweet cherries were exposed to various ethylene concentrations during storage at 0 or 5 °C for 21 days; and table grapes were exposed to various ethylene concentrations during storage at 0 or 5 °C for up to 60 days. Neither incidence nor severity of brown rot were affected by constant ethylene exposure on stone fruits inoculated with Monilinia fructicola. Similarly, ethylene did not affect gray mould nesting ability on table grapes inoculated with Botrytis cinerea. Ethylene exposure neither influenced external quality attributes (skin colour on peaches and cherries, skin pitting and stem browning on cherries, and rachis browning on table grapes) nor internal quality attributes (flesh firmness, soluble solids concentration, and titratable acidity on all fruit, and flesh colour and internal breakdown on climacteric stone fruits). No general commercial benefit could be expected from actively removing ethylene from cold storage rooms or transport containers containing peaches, plums, nectarines, sweet cherries, or table grapes.

Details

  • Original title: Effect of continuous exposure to exogenous ethylene during cold storage on postharvest decay development and quality attributes of stone fruits and table grapes.
  • Record ID : 2003-2386
  • Languages: English
  • Source: Postharvest Biol. Technol. - vol. 27 - n. 3
  • Publication date: 2003/03

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