Edible vegetable oil bactericide and use method thereof

The invention discloses an edible vegetable oil bactericide and an application method thereof. The bactericide contains the following raw materials according to the volume percent: edible vegetable oil of 80% -95%, and emulsifier of 5% -20%; the emulsifier is emulsifier EL or polyethenoxy ether emulsifier. The application method of the bactericide is that the edible vegetable oil and the emulsifier is fully stirred, blended and then diluted with water for insufflation. The edible vegetable oil bactericide has good stability as farm chemical missible oil, and good control efficiency on powdery mildew of cucumber and other powdery mildew, with effective rate of 60%-75%, which is equivalent to that of triazolone missible oil diluted 1000 times; furthermore, the bactericide has no influence and hazard on plant physiology and is an ideal bactericide which is eco-friendly, with the sterilization effect satisfying the ecological requirements, and is suitable for the hazard-free production of vegetables..