Multi-Cultivar Grafted Trees for Pest Control
By C.J. Walke, Orchard Program Manager Plum curculio (Conotrachelus nenuphar) is considered one of the most destructive insect pests in apple and plum orchards and has been referred to as the “Achilles’ heel” of organic orcharding because of the difficulty controlling this pest with cultural methods and materials approved by the Organic Materials Review Institute