Application of gene OsERF65 related to plant disease resistance

The invention discloses an application of an OsERF65 gene in regulating and controlling the resistance of rice sheath blight disease. The invention also discloses a method for cultivating the transgenic rice with improved disease resistance, which comprises the step of reducing the expression quantity and/or activity of the OsERF65 gene in the receptor rice to obtain the transgenic rice. The disease resistance of the transgenic rice is higher than that of the receptor rice. According to the invention, sheath blight resistance identification and expression pattern analysis are carried out on the OsERFs family, and the over-expression of one gene OsERF65 can reduce the resistance of the rice sheath blight disease, and the inhibition of the expression quantity of the gene can enhance the resistance of the rice sheath blight disease. The main agronomic traits between an OsERF65 overexpression line and a knockout line and a control variety are further compared, it is found that the OsERF65 does not affect the main