用花椒树作果园护围树应注意的问题近几年，有些新建果园用花椒树作护园树，但人们往往忽视其作护园树的弊端，现说明如下。花椒树是蚜虫和天牛等害虫的主要寄主，以其作护园树的果园，蚜虫发生早且发生代数多，受天牛的为害也相对较重。距果园２０米内栽植花椒树，蚜虫的... In order to protect the orchards with pepper tree trees should pay attention to the problem In recent years, some new orchards with pepper tree for the care of the tree, but people often neglect the drawbacks of the park tree, are described below. Zanthoxylum bungeanum is the main host of pests such as aphids and cerambycids. With its as an orchard of a nursery garden tree, aphids occur early and occur more algebra and are more severely damaged by the beetles. Planting pepper plants within 20 meters from the orchard, aphids ...