60～7O年代以来,我们从国外陆续引进了一批苹果新品种,通过多年的引种观察筛选和生产试栽,选出了富士、北斗、首红、津轻等一批优质丰产、果大色艳的早、中、晚熟新品种,其中富士苹果已在我省大面积开发推广。北斗、首红、津轻等苹果近年发展较快,现全省已发展到300余万株,特别是北斗,大连郊 Since the 1960s-1970s, we have introduced a batch of new apple varieties from abroad. Through years of introduction observation screening and production trial planting, we have selected a group of high-quality and high-yield fruits such as Fuji, Beidou, First Red, Yan early, middle and late maturing new varieties, including Fuji apple has been developed in large areas in our province. Big Dipper, the first red, Tsugaru Apple rapid development in recent years, the province has now developed to more than 3000000 strains, especially the Beidou, Dalian suburb