| abstract |
The invention belongs to the field of biological pesticides, and discloses an anti-scour biological pesticide which is of a microsphere structure and comprises: a plant source pesticide is taken as a core material of an insecticidal effective substance; coating a core material, wherein gelatin and CMC are used as wall materials of the raw materials; and a polymer which is modified on the surface of the wall material and has high leaf surface affinity, wherein the polymer is catechol-modified polyvinyl alcohol. In addition, the invention also discloses a preparation method of the biological pesticide. The anti-scour biological insecticide disclosed by the invention has high leaf surface hanging and retaining capacity and anti-scour capacity, can improve the utilization rate of pesticide, and is beneficial to solving the problem of pesticide residue. |