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1、注意品种选择。选购的果树品种要纯正;要适合本地的自然环境条件;要经过主管技术部门审定。一般来说,科研单位和主管部门直接培育和引进推广的品种,是比较信得过的品种,对于个人经销的苗木,购买前要搞清苗木的来源或接穗的来源,确认可信时再引用。 2、注意苗木规格。优良果苗高以1-1.3米为宜,地基径(接口处上)0.8-1厘米为宜,且根系发达,有较多分布均匀的侧根和须根。一、二级苗应有3条以上的侧根,根系不失水
1, pay attention to variety selection. To buy a pure variety of fruit trees; to be suitable for local natural conditions; to be approved by the competent technical department. In general, scientific research institutes and competent departments to directly cultivate and introduce the promotion of varieties, is more trustworthy varieties, for individual distribution of seedlings, the source of seedlings before buying to find out the source or scion, confirm credible and then reference. 2, pay attention to seedling specifications. Good seedling height 1-1.3 meters is appropriate, the foundation diameter (interface) 0.8-1 cm is appropriate, and the root system developed, there are more uniform distribution of lateral roots and fibrous roots. First, two seedlings should have more than 3 lateral roots, root system without losing water