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Uncinula
''Uncinula'' is a genus of fungi. Its species are plant pathogens that cause powdery mildew diseases on various plant hosts. The genus is characterized by its dark chasmothecia which bear filamentous, hyaline appendages with hooked tips. Over one hundred species have been described from mostly dicotyledenous hosts. Braun and Takamatsu (2000) suggested that ''Uncinula'' should be considered a later synonym of ''Erysiphe''; not all subsequent researchers have accepted their conclusions. One notorious species, ''Uncinula necator'' (syn. ''Erysiphe necator''), attacks various species of grapes (Vitis spp.) and can cause yield losses in European wine grapes. Other ''Uncinula'' species attack a wide variety of dicotyledonous plants. == References ==
* Braun U, Takamatsu S. 2000. Phylogeny of ''Erysiphe'', ''Microsphaera'', ''Uncinula'' (Erysipheae) and ''Cystotheca'', ''Podosphaera'', ''Sphaerotheca'' (Cystotheceae) inferred from rDNA ITS sequences: Some taxonomic consequences. Schlechtendalia 4: 1-33.
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