The First Report of Rhizoctonia Rot on Chinese Foxglove, Beach Silvertop and Common Soapwort, and Southern Blight on Sand Plantain and Heal-all in Japan

Abstract

Rhizoctonia rot of Chinese foxglove, beach silvertop and common soapwort, and southern blight of sand plantain and heal-all occurred at the Tokyo Metropolitan Medicinal Plant Garden in 2013 and 2014. The causal fungus isolated from each plant of Chinese foxglove, beach silvertop and common soapwort was identified as Rhizoctonia solani, while the fungus from sand plantain and heal-all was identified as Sclerotium rolfsii. The diseases were first reported on the plants in Japan.