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‘Y-1’是从苹果属野生砧木资源晋西北山定子中实生选育的苹果砧木,通过对树体开花结果、生长量、越冬表现等田间调查与综合评价,结果表明,该砧木作中间砧嫁接品种早花早果特性极为突出,矮化性状明显,抗逆性强,嫁接栽培品种亲和性好,具有广阔的应用前景。‘Y-1’砧木适宜在黄土高原或气候类似的苹果产区栽培。
’Y-1’ is an apple rootstock which is bred from the wild apple rootstock resource Jinxi Beishan. Through the field investigation and comprehensive evaluation on the flowering result, growth and overwintering performance of the tree, the results show that the rootstock is in the middle The characteristics of the early grafting of the rootstocks were very prominent, obvious dwarfing characters, strong resistance, good affinity of the grafted cultivars and broad application prospects. ’Y-1’ rootstocks are suitable for cultivation in the Loess Plateau or in similar climates of apple production.