Method for preventing and relieving phytotoxicity of fluridone residue on crops

The invention belongs to the technical field of pesticide application, and particularly relates to a method for preventing and relieving phytotoxicity of fluridone residues on crops, and the method is characterized in that a plant growth regulator is applied before or after seedling emergence of the crops. The technical scheme provided by the invention has very effective prevention and alleviation effects on the residual phytotoxicity of the fluridone, and can achieve very good prevention and alleviation effects even in plots with high residual quantity of the fluridone. In addition, the technical scheme can be used for various crops, and the application range is wide. Besides, the technical scheme of the invention is suitable for application scenes of crops sensitive to pesticides after fluridone is applied, replanting or crop rotation planting, can be applied along with water drops to prevent phytotoxicity after the crops are sown and before seedlings or after transplanting, can also adopt stem and leaf spr