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目前,国内外果树业都在积极研究密植矮化的方法。这一研究又主要集中在矮化砧木的发掘利用上。其中,苹果矮化砧木研究时间较久,已选育出一批较好的砧木品种。桃矮化砧木选育工作,仅看到美国、加拿大的一些研究报导。我国桃树栽培历史悠久。桃树砧木多用毛桃或山毛桃。一九七○年我所开始研究桃矮化砧木。用毛樱桃做桃矮化砧木获得初步成功。
At present, fruit trees at home and abroad are actively studying the method of planting dwarf. This research has mainly focused on the dwarfing rootstock excavation and utilization. Among them, apple dwarfing rootstock study for a long time, have been bred a number of better rootstock varieties. Peach dwarf rootstock breeding work, only to see the United States, Canada, some research reports. Peach cultivation in China has a long history. Peach rootstock with peach or mountain peach. In 1970, I started to study peach dwarf rootstocks. Peach dwarf rootstocks made with cherry to obtain initial success.