随着板栗种植面积的扩大和生态环境的变化,局部板栗产区枝干害虫爆发成灾,导致树体大片死亡。板栗枝干害虫主要为天牛类和吉丁虫类,应抓住栗树休眠期和春季,尽可能采用树下防治,以减少树上喷药次数,保护害虫天敌。 With the expansion of chestnut planting area and the change of ecological environment, the outbreak of branches and pests in the local chestnut producing area has caused the death of large trees. Chestnut trunk pests mainly for cattle and jintiyo class, should seize the chestnut dormancy and spring, as far as possible the use of tree control, in order to reduce the number of trees spraying to protect pests natural enemies.