当前,我们国家栽培李树,主要用毛桃(Amygdalus persica)、山桃(A.davdiana)和山杏(Armeniaca sibirica)等作砧木。嫁接后一般表现树体高大,结果较晚,单位面积产量较低,难以适应当前果树生产向“矮、密、早”栽培方向发展的需要。据国内外资料报道,以毛樱桃作桃砧木具矮化 At present, our country grows plum trees mainly with rootstocks such as Amygdalus persica, A.davdiana and Armeniaca sibirica. Grafting after the general performance of tall trees, the results later, the yield per unit area is low, it is difficult to adapt to the current production of fruit trees to “short, dense, early” cultivation direction of development needs. According to domestic and foreign information reports, to make cherry dwarf peach rootstock