Teleomorph of Erysiphe necator var. necator on Vitis vinifera and Ampelopsis brevipedunculata var. heterophylla (Vitaceae) newly found in Japan

摘要

The teleomorph of Erysiphe necator var. necator [LUncinula necator var. necator], hitherto unknown in Japan, was found on Vitis vinifera and Ampelopsis brevipedunculata var. heterophylla (Vitaceae) in Okayama, Japan. Morphological characteristics of the fungus are described and illustrated.