1. UC IPM
Almond nut infected with bacterial spot (left), <i>Xanthomonas arboricola</i> pv. <i>pruni</i>, next to mummy nut from previous year, still showing dried-up lesions.
Almond nut infected with bacterial spot (left), Xanthomonas arboricola pv. pruni, next to mummy nut from previous year, still showing dried-up lesions.
Credit: Brent A. Holtz