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

Fig. 1C. Symptoms of sugarbeet bacterial vascular necrosis: blackened petioles of a young sugarbeet plant inoculated with E. caratovora subsp. betavasculorum.



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