The Latest on Managing Bot Canker and Blight in Walnut – 2016 Research Updates
Rainfall favors Botryosphaeria (Bot) and Phomopsis canker and blight of walnut when temperatures are over 50° F, so be alert to disease spread this spring and summer. Bot reduces yields by killing small fruit wood and large branches and directly infecting the nut. The focus of this article is on 2016 Bot research findings. Continue reading