NOTES ON THE POWDERY MILDEWS (ERYSIPHACEAE) IN IRAN

In the framework of national project of Collection and Identification of Fungi of Iran some new findings about powdery mildews (Erysiphaceae) are reported here. The identity of causal agent of Lagerstroemia indica powdery mildew in Iran is discussed. Some new host species is reported for Leveillula taurica in Iran. Three Erysiphe species viz. Erysiphe deutziae on Deutzia gracilis; E. sesbaniae on Sesbania punicea and E. castaneigena on Quercus macranthera are also reported here as new members for Iranian mycobiota. Enumeration of taxa - Pseudoidium yenii (U. Braun) U. Braun & R. T. A. Cook، Taxonomic Manual of the Erysiphales (Powdery Mildews) (2012) On Lagerstroemia indica L. - Leveillula taurica (Lév.) G. Arnaud، Annls Épiphyt. 7:92 (1921)، emend. Braun & Cook 2012. On Datisca cannabina L. and Cerinthe minor L. - Leveillula rutae (Jacz.) U. Braun، Taxonomic Manual of the Erysiphales (Powdery Mildews) (2012) On Haplophyllum acutifolium G. Don - Erysiphe deutziae (Bunkina) U. Braun & S. Takam.، Schlechtendalia 4:7 (2000) Deutzia gracilis Siebold & Zucc. - Erysiphe sesbaniae Wolcan & U. Braun، in Braun، Kruse، Wolcan & Murace، Mycotaxon 112:181 (2010) On Sesbania punicea Benth. - Erysiphe castaneigena U. Braun & Cunningt.، in Braune، Delhey، Dianese & Hosagoudar، Schlechtendalia 14:85 (2006) On Quercus macranthera Fisch. & C. A. Mey.