Daily Archives: October 19, 2023

2023 brown apical necrosis (BAN) and late-season walnut blight

Nut samples were collected by UCCE advisors and analyzed and confirmed for BAN (brown apical necrosis) and walnut blight. If you observed BAN or walnut blight symptoms in your orchards this year, be aware that inoculum can remain for next year. BAN can lead to mold and reduce nut quality and yield, and walnut blight can reduce yield as infected nuts prematurely abort. Continue reading