Filbert: Bacterial blight categories: Filbert Filbert Diseases Tree Fruits last review date: 2026-05-05 12:37 Canker on twig caused by filbert bacterial blight Photo 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 […]
Filbert: Eastern filbert blight categories: Filbert Filbert Diseases Tree Fruits last review date: 2026-05-05 01:51 Eastern filbert blight pustules on twig Photo by: R.S. Byther Biology Eastern filbert blightis 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: 2026-05-14 08:44 Powdery mildew fungal structures on filbert leaf Photo by: R.S. Byther Biology Powdery mildew is a fungal disease found on leaves and succulent shoots of hazelnut. A characteristic powdery white growth occrs on the underside of leaves and sometimes also covers […]