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近十几年来,国外果树栽培特点是矮化密植,实行集约化、专业化和机械化,选用良种,使用激素,提高果品质量。一、更新品种,提高品质苹果品种更新对象主要有:①世界著名品种如“红星”和“金冠”;②红星、金冠的矮型芽变;③新近育成的优良品种。当前以矮型芽变为发展重点,红星的芽变品种,色泽艳丽,香甜爽口,占美国出口品种95％以上。金
In recent ten years, the fruit cultivation characteristics of foreign countries are dwarf densification, intensification, specialization and mechanization, selection of elite species, use of hormones and improvement of fruit quality. First, update the varieties and improve quality Apple varieties are updated mainly include: ① world famous varieties such as “Red Star” and “Golden Delicious”; ② Red Star, Golden Crown short buds change; ③ bred recently developed fine varieties. At present, the development of dwarf buds is the focus of development. Red Star’s budding varieties are beautiful in color, sweet and refreshing, accounting for more than 95% of the U.S. exports. gold