随着市场经济的发展和人民生活水平的提高，国内外市场对苹果果实品质的要求越来越高，目前我国苹果产量虽居世界前列，但品质与国际市场标准相比，差距较大，致使出口数量不多，创汇甚少，国内市场也出现滞销势头，经济效益受到明显的影响。要改变这种状况，必须加强各种技术 With the development of market economy and the improvement of people’s living standard, the demand of apple fruit quality in domestic and overseas markets is getting higher and higher. Although the output of apple in our country ranks forefront in the world, the quality is far from the international market standards, Export volume is small, very little foreign exchange earnings, the domestic market also appears to be slow-moving, economic benefits have been significantly affected. To change this situation, various technologies must be strengthened