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La lutte contre le "coeur noir" des ananas "Queen Victoria".

The fight against blackheart in 'Queens'.

Auteurs : KRUGER F., RABIE E., WESSON K., et al.

Type d'article : Article

Résumé

In the first of 2 trials, Queen Victoria pineapples were sprayed with 2-(chlorophenoxy) propionin acid and then induced to ripen with ethylene 37, 53, 67, 81, 93 and 107 days later. Fruits were then harvested and stored at 16 °C to induce blackheart. All control fruits (not sprayed) showed severe symptoms of blackheart as did those sprayed 107 days before harvest. When spraying was applied 37 days before harvest only 11.7% of fruits developed symptoms. In the second trial, a range of step-down temperatures were examined for their effect on blackheart and ripening. Reducing the storage temperature by 3 °C per day from harvesting showed the greatest promise for reducing blackheart.

Détails

  • Titre original : The fight against blackheart in 'Queens'.
  • Identifiant de la fiche : 2000-2605
  • Langues : Anglais
  • Source : Neltrop. Bull. - n. 304
  • Date d'édition : 1998

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