The present invention relates to a method and a device for protecting at least one agricultural or forestry product, such as trees and particularly saplings, from damage by for instance beetles, preferably prior to transport of the agricultural or forestry product. The method comprises of applying wax on, in or at the agricultural or forestry product and depositing the wax on at least a trunk or stem thereof. The device comprises at least one applicator with which in use wax can be applied on, in or at the agricultural or forestry product, wherein the applicator is configured to deposit the wax on at least a trunk or stem of the agricultural or forestry product. The invention also relates to a container.
