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Study on the biological characteristics of Fusarium oxysporum Schl. f. sp. Nelumbicola (Nis. & Wat.) Booth

  

  1. (1 Jinhua Academy of Agricultural Sciences, Jinhua, Zhejiang 321017,2 Institute of Agricultural and Biotechnology, Zhejiang University, Hangzhou, Zhejiang 310058)
  • Online:2015-02-25 Published:2015-03-12

Abstract: The effects of culture medium, photoperiod, temperature, pH degree, carbon and nitrogen source on the biological characteristics of Fusarium oxysporum Schl. f. sp. Nelumbicola (Nis. & Wat.) Booth, pathogen of Rhizome rot of lotus root Nelumbo nucifera Gaertn, were studied. The results showed that the mycelia could grow well on four tested culture mediums under 20~30℃, and the optimum temperature was 28℃. Different photoperiods had no significant influences on the growth of mycelium. It was found that the range of pH was 4~13 and the optimum was 7. The optimal carbon source was maltose, sucrose and fructose, and the optimal nitrogen source was yeast extract powder.

Key words: Fusarium bulbibicornis, pathogen, Fusarium oxysporum Schl. f. sp. Nelumbicola (Nis. &, Wat.) Booth, biological characteristic