This standard specifies field inspection and laboratory identification methods for Fusarium oxysporum f.sp.cubense(E.F.Smith) Snyder & Hansen (Race 4). This standard is applicable to inspection of Fusarium oxysporum f.sp.cubense(E.F.Smith) Snyder & Hansen (Race 4) in the growing period of banana (including susceptible varieties to Race 4 of banana,plantains,dwarf banana etc.).