Filbert: Bacterial blight categories: Filbert Filbert Diseases Tree Fruits last review date: 2025-09-14 09:56 Canker on twig caused by filbert bacterial blightPhoto by: Unknown Biology Bacterial blight of filbert may attack buds, leaves, twigs, branches, and the trunk. Infected buds may be killed before leafing out. Leaves initially develop pale green, water-soaked spots, which later […]
Filbert: Eastern filbert blight categories: Filbert Filbert Diseases Tree Fruits last review date: 2025-09-14 10:07 Eastern filbert blight pustules on twigPhoto by: R.S. Byther Biology Eastern filbert blight is a fungal disease found on both cultivated and wild filberts. The disease typically infects via wounds caused by mechanical or insect damage. Buds damaged by the […]
Filbert: Powdery mildew categories: Filbert Filbert Diseases Tree Fruits last review date: 2025-09-14 10:17 Powdery mildew fungal structures on filbert leafPhoto by: R.S. Byther Biology Powdery mildew is a fungal disease found on leaves and succulent shoots of hazelnut. A characteristic powdery white growth occurs on the underside of leaves and sometimes also covers shoot […]