The control effects of 24% fenbuconazole SC on leaf spot disease of banana have been evaluated under field. The results showed that control efficacy of 24% fenbuconazole SC after 800-1200 times dilution was equivalent to that of 25% propiconazole EC (1000 times diluted), and fenbuconazole SC had no harmful effect on the growth of banana plants. Therefore, 24% fenbuconazole SC might be used as an alternative for rotational application with other fungicides in commercial production. The use of 24% fenbuconazo...