Piatek, Marcin. Erysiphe azaleae and Erysiphe syringae-japonicae introduced in Poland. Mycotaxon 87: 121 - 126. 2003.

ABSTRACT: The following two powdery mildews new for Poland are discussed: Erysiphe azaleae on Rhododendron luteum and Erysiphe syringae-japonicae on Syringa × chinensis, Syringa × persica var. integrifolia, S. × prestoniae 'Octavia', S. tomentella and S. vulgaris. Syringa × persica var. integrifolia and Syringa × prestoniae are new host species for Erysiphe syringae-japonicae.

KEYWORDS: Erysiphales, host range, Rhododendron, Syringa, Europe