论文部分内容阅读
1 注意品种:优良果树苗品种要纯正,要适应当地的自然环境条件。一般科研单位和生产主管部门直接培育的苗木是比较信得过的,对个人经销的要搞清苗木来源或接穗来源,确认可信时再购买。 2 注意根系:优良果树苗的根系要发达,有较多的侧根和须根,且分布均匀,一、二级苗应具有3条以上侧根,根系不能失水。 3 注意苗木规格:优良果树苗高1~1.3m,地基经(接口以上)0.8~1cm。
1 pay attention to varieties: good fruit saplings varieties to be pure, to adapt to the local natural environment conditions. General research institutes and production departments directly nurtured nursery stock is more trustworthy, personal distribution to find out the source of seedlings or scion, confirm credible and then buy. 2 pay attention to the root: good fruit saplings should be developed root system, there are more lateral roots and fibrous roots, and evenly distributed, a secondary seedlings should have 3 or more lateral roots, the root can not be dehydrated. 3 Note nursery stock specifications: excellent fruit tree height 1 ~ 1.3m, foundation by (interface above) 0.8 ~ 1cm.