Formula of schima superba bark saponin insecticidal microemulsion (ME) and preparation method thereof

摘要: The invention discloses a formula of schima superba bark saponin insecticidal ME. comprises 3 to 7% saponin, 5 20% an organic solvent, 20 30% emulsifier, and the balance distilled water; further provides preparation method ME, comprising following steps: dissolving in then mixing with performing treatment high-pressure dispersing homogenizer, adding water slurry homogenizing tube thehigh-speed homogenizer batches, for 15 25min after water, thereby obtaining Schima ME disclosed by has good field control effect on plutella xylostella, pieris rapae like, can effectively reduce use amount decrease planting cost, is beneficial reducing pollution pesticides crops, soil economic social benefits popularization prospects.