in the framework of a study on the powdery mildew fungi in iran, several infected plant specimens were collected from around the country during 2001-2009. based on the results of the study erysiphe quercicola on quercus sp. and e. malvae on malva sp., golovinomyces ambrosiae on helianthus spp., golovinomyces fischeri on senecio glaucus, are the newly reported for iranian mycobiota. in addition,...

Background: Cluster bean crop is affected by various biotic and abiotic stresses which are responsible for its poor quality low yield resulting in severe economic losses. Among the foliar diseases, powdery mildew caused Leveillula taurica an important disease causing losses ranging from 50-55 per cent. So, there a need to formulate suitable management practices against mildew. Methods: Field ex...