Walnut blight

Xanthomonas campestris pv. juglandis

SYMPTOMS AND SIGNS
In sunken lesions at the flower end (end blight) when young; more lesions will develop on the sides of the nut as it matures (side blight). Shoots develop black lesions, and leaves show irregular lesions on bladewalnut blight, one to several black lesions may appear on catkins. Infected nuts develop black, slightly .

Plant Protection Products