On the Soybean Blast and its causal fungus Septogloeum sojae n. sp.

Abstract

A destructive fungous disease of soybean, Glycine max (L.) MERRILL., “Nemuri-Byo” (Soybean Blast) found in Kyushu was described.
Both summer and autumn varieties were affected being formed superficial brown obscure spots or streaks on leaves (especially on leaf-nerves, leaf-cushion), petioles, stems and pods.
Technical description of the causal fungus which belongs to the genus Septogloeum SACC. emend. PETRAK (Tuberculariaceae) is given.