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山西中北部及西北黄土高原地区苹果着色好，风味浓，适于发展优质苹果。但该地区冬季寒冷，早春寒流频发，元帅系、富士系等苹果品种易发生油条及花器冻害问题。为此需要筛选相适宜的苹果品种及站水。一、适于冷冻地区栽培的苹果新品种（一）北海道9号亲本为富士＼律轻，在日本
Shanxi Province, north-central and northwestern Loess Plateau apple coloring good, rich flavor, suitable for the development of high-quality apples. However, the area is cold in winter and has frequent cold fronts in early spring. The mandarin series and the Fuji system are prone to frost and flower frost problems. To do this, it is necessary to screen suitable apple varieties and water stations. First, the new varieties of apples suitable for cultivation in frozen areas (A) No. 9 Hokkaido parent Fuji law light, in Japan