Perilla (Perilla frutescens var. japonica), a member of the family Labiatae, is an annual herbaceous plant native to Asia. Its fresh leaves are directly consumed and its seeds used for cooking oil. In July 2018, leaf spots symptoms were observed in experimental field at Gangneung-Wonju National University, Gangneung, Gangwon province, Korea. Approximately 30% perilla plants growing area about 0...