葡萄的繁殖方法很多,最常用的方法是采用一年生成熟枝条,剪截2—3个芽扦插生根,育成一年生苗木。为了节约新品种枝条,也有采用单芽插的。葡萄老产区还常采用压蔓繁殖。近年来国外还利用茎尖培养方法,加快苗木繁殖。为了改换优良品种,有些地区以多年生劣种植株为砧木,以一年生优种枝条为接穗,进行嫁接。东北各省则采 Grape breeding methods are many, the most commonly used method is to use a year to generate cooked branches, cut 2-3 cuttings cuttings rooting, bred annual seedlings. In order to save new varieties of branches, there are also single bud inserted. The old vineyard is also often used to suppress the pressure of reproduction. In recent years, foreign countries have also used shoot tip culture methods to speed up seedling propagation. In order to change the fine varieties, in some areas with perennial poor plant as rootstocks, excellent annual branches for the scion, grafting. Northeast provinces are mining