Podosphaera fuliginea

''Podosphaera fuliginea'' is a plant pathogen that causes powdery mildew on cucurbits. ''Podosphaera fuliginea'' and ''Erysiphe cichoracearum'' are the two most commonly recorded fungi causing cucurbit powdery mildew. In the past, ''Erysiphe cichoracearum'' was considered to be the primary causal organism throughout most of the world. Today, ''Podosphaera fuliginea'' is more commonly reported.