Walnut diseases

Walnut — 2 diseases with symptoms, causes and treatment.

• Anthracnose on walnut — symptoms and treatment medium

  Irregular dark brown spots on walnut leaves that merge in wet weather, followed by early leaf fall? Walnut anthracnose — see pictures, causes and treatment.

• Walnut blight — symptoms and treatment high

  Black water-soaked spots on walnut catkins and young nuts, with nuts turning black and shrivelling? Walnut blight — see pictures, causes and treatment.