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[email protected] Résumé. Ceratocystis fagacearum cause une maladie destructrice appeléelaflétrissure verticilléenne du chêne. Une des manières que le pathogène est disséminé se fait via des insectes vecteurs (Nitidu- lidae) qui transmettent les spores dans des blessures fraîches faites sur des arbres en bonne santé. Des expériences ont été menées dans le Centre du Texas sur des chênes indigènes (Quercus fusiformis) pour tester les méthodes d’élagage et les produits de recouvrement par rapport au développement de la maladie. Trois combinaisons de traitement ont été testées sur 30 arbres (10 arbres par traitement), soient: coupe rase sans produit de recouvrement, coupe rase avec produit de recouvrement, coupe d’élagage sans produit de recouvre- ment et faite selon la méthode Shigo. Des blessures non recouvertes
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