一、看果苗的根系状况。优质果苗根系发达 ,侧根、须根多 ,侧根分布较均匀 ,主根直。反之 ,侧根少或不具备侧根的老苗不宜购买。二、看果苗的粗、高度。果苗茎干应达到0 .8～ 1厘米 (从嫁接部位以上 10厘米处测量 )。一般一、二等级果苗的高度达到 1米左右即可 ,最高不宜超过 1 First, see the seedling root system conditions. High-quality seedling roots developed, lateral roots, fibrous roots, lateral root distribution more evenly, the main root straight. On the contrary, less or less lateral root of the old seedlings should not be purchased. Second, see the seedlings rough, height. Seedling stems should reach 0.8 ~ 1 cm (measured 10 cm above the graft). Generally, the height of two-level fruit seedlings can reach about 1 meter, the highest should not exceed 1