SOURCE:

M. Shurtleff

DISEASE:

Bacterial blight

HOST:

Geranium

(Pelargonium sp.)

Left and center leaves have spots, whereas leaf on right also has blight symptoms.

PATHOGEN:

Xanthomonas hortorum pv. pelargonii

PATHOGEN SYNONYM:

Xanthomonas campestris pv. pelargonii