通过对7个无性系的苗高、地径的生长对比分析,可以看出各无性系间的高、径变幅较大,从而说明了可供选择的范围之大;同时各无性系苗高、地径、生根率的遗传力均在80%以上,说明了遗传的稳定性。 By comparing the height growth and diameter growth of seven clones, it can be seen that the height and diameter of each clones vary greatly, which shows the range of available options. At the same time, , Diameter, rooting rate of heritability are more than 80%, indicating the genetic stability.