3、培养合理树体结构和群体体构的技术途径合理树体结构和群体结构的培养,是在加强综合管理的基础上得以实现的。其中,最重要的技术措施,是选配好品种、砧木组合,合理密植和整形修剪等三个方面。(1)适宜品种、砧木组合的选择:矮化密植栽培,是当前苹果生产向集约化、优质丰产发展的总趋势。选配好品种、砧木组合,既能够构成合理的树体结构和群体结 3, to cultivate a reasonable tree structure and group structure of the technical approach reasonable tree structure and group structure of the training is to strengthen the integrated management based on the achieved. Among them, the most important technical measures are the matching of three varieties of varieties, rootstock combinations, rational close planting and plastic trimming. (1) Selection of Suitable Varieties and Rootstocks Combination: Dwarfing and close planting cultivation is the general trend of current apple production to intensive and high-yield and high-yield development. Selection of good varieties, rootstock combinations, both to form a reasonable tree structure and group knots