Biological characteristics of pathogen of Chinese water chestnut wilt and prevention and control by fungicides

The pathogen of Chinese water chestnut wilt was Fusarium oxysporum f.sp. eleocharidis.The range of temperature for colony growth and conidial production was 10-35℃,the optimum was 25-30℃. The range of pH was 2-12, the optimum of pH was 6.0-8.5.The control experiments showed that Sporkle and Gankujing had better effect on controlling this disease and the control effect was 73.17% and 60.49% in the field.