Two species of Erysiphe on Vaccinium and Betula first found in Japan

Abstract

Two powdery mildew fungi of the genus Erysiphe were first found on Vaccinium and Betula in Japan. The one that colonized on V. oldhamii was identified to be E. vaccinii, and the other found on B. platyphylla var. japonica was identified to be E. ornata var. ornata, respectively.