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‘ZM-2000’是苹果抗寒砧木‘GM256’自然实生,是苹果抗寒矮化砧木新品种。抗寒性与‘GM256’相当,抗苹果树腐烂病,与嫁接品种亲和性好;作为中间砧矮化性优于‘GM256’,以山荆子作基砧,‘ZM-2000’作中间砧嫁接‘金红’,树高为‘GM256’作中间砧的67%;苗木定植后第2年开始结果,4年进入盛果期。2015年10月通过吉林省农作物品种审定委员会现场审定。
’ZM-2000’ is an apple rootstock ’GM256’ natural real, is the apple cold dwarfing rootstock new varieties. Cold hardiness was as good as ’GM256’, resistant to apple tree rot, and had good affinity with grafted varieties; dwarfing was better than ’GM256’ in middle anvil and ’ZM-2000’ Anvil grafting ’golden red’ tree height ’GM256’ for the middle of the anvil 67%; seedlings planted the first 2 years after the results, 4 years into the full fruit period. In October 2015, it passed the on-site validation of Jilin Province Crop Variety Approval Committee.