果树生产的商品化是现代果树生产的特征之一。目前 ,果品市场已出现质优价优的趋势 ,而在我省现有的苹果园中 ,老品种园面积还很大 ,占到总面积的71.9%。这些果园大多是 2 0世纪 6 0年代～ 70年代所建 ,不仅产量低 ,而且品种混杂 ,相当一部分品种质量低劣 ,市场竞争能力差 ,经? The commercialization of fruit tree production is one of the characteristics of modern fruit tree production. At present, the fruit market has emerged the trend of high quality and excellent prices, and in our province’s existing apple orchard, the old varieties of garden area is still large, accounting for 71.9% of the total area. Most of these orchards were built in the 1960s and 1970s in the 20th century. Not only are the yields low, but also the varieties are mixed. A considerable part of the orchards have poor quality and poor market competitiveness.