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Ministry of Agriculture, Food and Rural Affairs

disease Identification Key

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Circular tan lesions with purple margins that enlarge to 3-6 mm in diameter 1-3 weeks after petal fall; heavily infested leaves may drop.
Circular necrotic lesions with a light brown interior, later become surrounded by a darker purplish halo; heavily infested leaves may drop.
Marks irregular in shape like water droplets appear to be more concentrated on the tips of leaves; no purple margins.