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Echaudure superficielle des pommes : prévention à l'aide d'une atmosphère à faible teneur en oxygène.

Initial low oxygen stress controls superficial scald of apples.

Auteurs : WANG Z., DILLEY D. R.

Type d'article : Article

Résumé

The effectiveness of initial low oxygen stress (ILOS) to control apple scald without postharvest application of scald inhibitors and fungicides was investigated. Scald susceptible ('Granny Smith', 'Law Rome', 'Red Delicious') and not susceptible ('Idared') fruits were harvested preclimacterically and treated at 1 °C with: 1) ILOS pretreatment or 2) no pretreatment as control. Fruit were then stored at 0.5-1 °C in 3% O2 with 0% CO2, 1.5% O2 with 3% CO2, or 0.7-0.8% O2 with 3% CO2 in flow-through controlled atmosphere (CA) or in air. ILOS of 0.5 and 0.25% O2 for 2 weeks resulted in excellent control of scald when fruits were subsequently held in CA (3% O2, O% CO2). ILOS followed by CA storage at 1.5% O2 gave complete control of scald. The accumulation of 6-methyl-5-hepten-2-one (MHP) was related to scald development of apples.

Détails

  • Titre original : Initial low oxygen stress controls superficial scald of apples.
  • Identifiant de la fiche : 2001-0864
  • Langues : Anglais
  • Source : Postharvest Biol. Technol. - vol. 18 - n. 3
  • Date d'édition : 04/2000

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