The genus Neoerysiphe in Israel: species composition, host range and distribution

摘要

Information on the distribution of Neoerysiphe species (N. cumminsiana, N. galeopsidis, and N. gain) is given. It is clearly shown that N. cumminsiana is a common species in Israel. Collections of this species were previously referred to Erysiphe cichoracearum. Hence, it can be supposed that Neoerysiphe cumminsiana is probably widespread in other Mediterranean countries. Therefore, all samples of powdery mildews collected on species of the Asteraceae should be critically revised.