In this experiment it was found that the host range of rice sheath blight fungus on weeds including 11 families 20 species.Among them, Gramineae and Cyperaceae were the most important ones.

• 摘要水稻纹枯病在杂草上之寄主，据本试验结果，已有20种之多，其中以禾本科及莎草科最重要，其他有非禾本科之杂草，亦为本病之媒介寄主。