南宁市郊某一虾苗场的罗氏沼虾亲虾，发生一种以鳃瓣呈暗褐色，外壳和附肢呈现黑褐色斑点溃疡为主要特征的疾病，通过对发病情况调查、临床症状观察、病原分离培养、真菌学检查以及分离回归虾体试验等，证实是由于镰刀菌感染所致。该菌对孔雀石绿和三氯异氰尿酸敏感，分别用１００ｐｐｍ和１０ｐｐｍ浓度在２小时内可杀灭其分生孢子。 Nanning suburbs of a shrimp plantation Macrobrachium rosenbergii shrimp, a dark brown gill flap occurs, the shell and appendages appear dark brown spots ulcer as the main characteristic of the disease through the investigation of the incidence of clinical symptoms, the pathogen Isolation and culture, mycological examination and separation of shrimp back to the test, confirmed that due to Fusarium infection. The bacterium is sensitive to malachite green and trichloroisocyanuric acid, killing its conidia with 100 ppm and 10 ppm respectively in 2 hours.