1伐根嫁接造林定义通过对速生杨树或劣质杨树砍伐后的树桩进行嫁接,以达到更新造林的目的。可用于伐后更新和新品种更替,具有成林快,相对植苗再造林省时省力等优点。2伐根嫁接造林对品种的要求坚持适地适树原则,选择的接穗和砧木具有良好的亲和性,较好的稳定性、抗病虫害能力强的优良的速生杨树品种作接穗。3伐根嫁接技术3.1更新树的选择与前期处理 A stumpage grafting Afforestation definition Through the grafting of poplar or inferior poplar stump grafting, in order to achieve the purpose of reforestation. Can be used for post-cutting updates and replacement of new varieties, with fast-growing, relative planting and reforestation saving time and effort and so on. 2 Vulvar grafting afforestation on the species requirements Adhere to the principle of appropriate fit tree, the selected scion and rootstocks have good affinity, good stability, resistance to pests and diseases of the good fast-growing poplar varieties as scions. 3 stump grafting 3.1 update tree selection and pre-treatment