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

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

（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

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

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

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