The invention discloses a
trunk coating preparation for preventing and treating
fruit tree seedling-borne diseases and
insect pests, a preparation method and application of the
trunk coating preparation. The
trunk coating preparation comprises a trunk coating matrix, a bactericidal
active component and an insecticidal
active component, wherein the trunk coating matrix is a white interior wall water-based coating material for buildings, the bactericidal
active component is one of a
benzimidazole bactericide compound, a methoxy
acrylate bactericide compound and a
triazole bactericide compound, and the insecticidal active component is one of
neonicotinoid, organophosphorus,
pyrethroid and
tetronic acid insecticide compounds. According to the invention, the trunk coating preparation can be used for directly coating or spraying branches and trunks after
fruit tree seedlings come out of a nursery or before planting, can form a white physical protective film layer containing bactericidal andinsecticidal active ingredients on branches and trunks, can effectively remove various diseases and pests on the latent zone of the
fruit tree nursery stock and protect newly planted nursery stock from being damaged by the diseases and pests in the rejuvenation period and the
young tree growth period, provides a set of new medicament and new treatment technology for fruit tree nursery stock pre-planting treatment, and can effectively improve the prevention and
control level of fruit tree nursery stock
branch diseases and pests.