A Fusarium solani strain and a use thereof in the control of southern blight disease of Dendrobium officinale Kimura et Migo, and the strain JSNL007-2 has been identified as Fusarium solani and has been deposited in China Center for Type Culture Collection on Mar. 10, 2017 with a deposit number of CGMCC NO. 13687. The Fusarium solani JSNL007-2 of the present invention has a significant effect on the disease resistance of Dendrobium officinale Kimura et Migo, especially for improving the ability of Dendrobium officinale Kimura et Migo to resist southern blight disease, and has a certain effect on reducing the use of chemical pesticides, which is an important means to ensure food safety.
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