The invention discloses a
pesticide / bactericide for tree daubing. The
pesticide / bactericide is prepared from the following components in
mass: 1-10% of
albendazole, 60-70% of Chinese herbal extract and 20-39% of assistants. A preparation method comprises the following steps of: firstly, mixing the Chinese herbal
medicine materials of
stemona tubers,
celastrus angulatus maxim and melia toosendan according to the
mass ratio of 1:1:1, and extracting the mixture with 45%
ethanol to obtain an extract for later use; adding the
albendazole, the Chinese herbal extract and the assistants according to the formulation into a mixer, and mixing and stirring for 30 min; and treating by a
colloid mill, shearing for 50 min, sanding twice, filtering, bottling and packaging to prepare the medicinal product. The
pesticide / bactericide has the characteristics of simple and convenient
medicine application, easy operation, high
medicine utilization ratio and significant medicine application cost and medicine cost. The pesticide / bactericide has obvious effect and long effect acting on aphids, scale insects, red spiders and other pests and anthracnose,
canker and other diseases of peach trees,
pear trees, waxberry trees, apple trees, orange trees and loquats. The pesticide / bactericide is applicable to tree cultivation.