1．清就是清除栗园周围的茅栗和株类。这些树种在没有栽植板栗树之前，就已经生长在山场或林地，剪枝象鼻虫也就为害这些树种的嫩枝果。而最原始的板栗生产是靠茅栗作砧木嫁接野板栗，嫁接后的板栗就在虫源地的环境中生长，当板栗开始挂果时，剪枝象鼻虫转而为害板栗幼栗苞，剪 1. Clear is to clear the Chestnut chestnut and strains around. These species have been grown in mountain fields or woodlands without the planting of chestnut trees, and the cut weevil also harms the twigs of these species. The most primitive production of chestnuts by chestnut as the rootstock grafted wild Chestnut, grafted chestnut in the environment of the growth of insects, when the chestnut began fruiting, pruning weevil in turn damage chestnut young chestnut, cut