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山西省忻州市属高寒山区 ,年平均气温-4.5～ -6℃ ,年最低气温 -3 6℃ ,年无霜期仅 90～ 1 1 0天。 2 0世纪 60年代 ,我们曾引入大秋、花红、黄太平、金红等中小果型抗寒苹果品种 ,这些品种在我市栽培表现果个偏小、品质较差、不耐贮藏 ,经济效益不高。 2 0世纪 70年代 ,我们以
Xinzhou City, Shanxi Province is a cold mountainous area, the annual average temperature of -4.5 ~ -6 ℃, the annual minimum temperature of -3 6 ℃, the annual frost-free period of only 90 to 110 days. In the 1960s, we introduced small and medium-sized cold-resistant apple varieties, such as big autumn, bonus, Huang Taiping and Jin Hong. These cultivars have low performance and poor storage in our city. The economic benefits are not high. In the 1970s, we took