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Ministry of Agriculture, Food and Rural Affairs

disease Identification Key

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Center of the flower is black or brown (reveaed by cutting open the blossom); damage may be more prevalent in low lying areas or the lower part of the canopy.
Blossoms or blossom clusters appear water soaked or wilted and brown or black; symptoms may be confined to a few branches or affect multiple branches on several trees. In early summer infected tissues are scorched in appearance with killed or wilted shoots.
Blossoms and shoots are covered in a white powdery fungal growth; leaves may be narrow and distorted.