First Report and Virulence Evaluation of Erwinia carotovora subsp. betavasculorum on Sugarbeet in Montana

Fig. 1A. Symptoms of sugarbeet bacterial vascular necrosis: a field-grown sugarbeet showing black rotted petioles and normal-appearing root exterior.



Image from Plant Health Progress article:
First Report and Virulence Evaluation of Erwinia carotovora subsp. betavasculorum on Sugarbeet in Montana