[Objective]The aim was to provide theoretical basis for the control of cotton Fusarium wilt and cotton boll rot disease.[Method]The inhibitory activity of the extracts from three species of plants(Artemisia annual L.,Artemisia capillaris Thunb.,Artemisia argyi Levl.et Vant)against Fusarium oxysporum f.sp.vasinfectum and Fusarium moniliforme were studied under the condition of laboratory.[Result]The extracts of all the three plants in Artemisia showed strong antifungal activity against the tested pathogenic ...