First aid of infected pine trees

The treatment is especially suitable for the key protected areas, difficult to operate areas and the adjacent areas of areas where the pine wilt disease is prevalent, it prevents the spread of the pine wilt disease effectively. Spraying a new type of effective complex biological pesticide at ultra-low doses through unmanned aerial vehicle to rescue pine trees in the early stages of infection by pine wilt disease,medication is directly absorbed by needles, and transmitted to various parts of the pine tree, targeting to kill nematodes in pine trees.