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近年来,国内外苹果生产的发展发生了变革,长期以来一直沿用的传统的稀植、大冠、乔化栽培方式,逐步被密植、小冠、矮化这种新的栽培模式所替代。同时,果树无病毒化栽培,又是目前果树生产现代化的重要标志之一,也是今后苹果栽培发展的方向。本试验于1996—1999年选用脱毒、矮化
In recent years, the development of apple production at home and abroad has undergone a transformation. The traditional cultivation methods of planting sparsely popped, large crowns and cultivated flowers have long been replaced by the new cultivation mode of dense planting, small crowns and dwarfing. At the same time, fruit trees without virus cultivation, but also an important symbol of the modernization of fruit production, Apple cultivation is also the direction of development. The test in 1996-1999 use detoxification, dwarfing