Walnut: Anthracnose (Blotch)
Walnut: Anthracnose (Blotch) categories: Tree Fruits Walnut Walnut Diseases revision date: 2024-06-05 10:24 Walnut anthracnose infection on leafPhoto by: R.S. Byther Biology Anthracnose or blotch of walnut is caused by a fungus. The disease affects leaves, young twigs, and nuts. Leaves develop irregularly circular reddish-brown to grayish-brown spots up to 3⁄4″ across. Severe infections on […]