Bacterial Diseases on Geranium

 Xanthomonas campestris pv. pelargonii
Figure 1: Ivy geranium hanging basket infected with Xanthomonas campestris pv. pelargonii. Note off-color leaves with some browning (necrosis) resembling a nutrient deficiency symptom or mite feeding damage.
photo credit: Grace O'Keefe, Assistant Horticulturist, Maine Department of Agriculture
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 bacterial blight on geranium
Figure 2: Small, round spots in zonal geraniums infected with bacterial blight.
photo credit: Leanne Pundt, University of Connecticut.
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 Wilting & v-shaped necrosis on zonal geranium
Figure 3: Wilting and V-shaped necrosis on zonal geranium.
photo credit: Leanne Pundt, University of Connecticut
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 botrytis blight on geraniums
Figure 4: Botrytis blight on geraniums. Note concentric lines within brown, discolored tissue.
photo credit: Leanne Pundt, University of Connecticut
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