Walnut spring bud grafting method

The invention discloses a walnut spring bud grafting method and belongs to the technical field of walnut grafting. The method includes the steps of S1, selecting grafting stock, to be more specific, selecting an annual or biennial 'Jizhuamian' walnut/early-fruiting walnut seedling as the grafting stock, wherein the walnut seedling is good in growth vigor and free of diseases and pests, and the ground diameter of the walnut seedling is larger than or equal to 1.0cm; S2, selecting a scion, wherein the scion is selected from Xiangling, Liaohe No. 1, Qingxiang, Yuanlin or Lvxiang walnut, and the scion can be the scion preserved in a cold storage or the annual vegetative shoot germinated in the spring germination period; S3, performing grafting after the leaves of the spring walnut stock seedling spread and when the xylem and the phloem of the stock separates. The method has the advantages that the grafting is performed in spring which is appropriate in weather, the method is convenient inoperation and high in eff