实生板栗的嫁接一般采用插皮接、劈接、腹接等法,这些方法的缺点是嫁接成活后不抗风吹,易被刮折。近两年,在嫁接2～4年生幼龄板栗时,改用双舌接法,成活率在90％以上,并且增加了嫁接部位愈合的牢固性,提高了嫁接树的抗风害能力。其技术要点是: 1.将贮藏好的生命力强的良种接穗剪成10～ The grafting of chestnuts are generally inserted cutaneous access, split access, abdominal access and other methods, the disadvantage of these methods is that after grafting survive wind, easy to be scrapped. In the past two years, when grafting chestnuts of 2 to 4 years old, they switched to the double tongue method and the survival rate was over 90%, which increased the firmness of the healing of the graft part and improved the wind resistance of the grafted tree. The technical points are: 1. Stored the vitality of the good seed scion cut into 10 ~