the fungus can result in a blight of leaves, stems, and flowers, dark-brown necrotic spots form initially and may be surrounded by a chlorotic halo, leaf spots can expand and coalesce leading to wilting and drying of the leaves with eventual plant death, flower petals can become totally darken and shriveled, infections usually start on lower leaves and progress to higher leaves, lehtedel vartel ja õielehtedel on tumedad kärbunud laigud, haiguse süvenedeas laigud suurenevad, liituvad ja tumenevad, esimesed haigustunnused ilmuvad vanematel lehtedel