The variation coefficients of most traits are greater in half-sib families than that in clones except for several branch traits.

• 除枝下高、侧枝粗、分枝角、冠幅等几个分枝性状在无性系间的变异系数大于在半同胞家系间的变异系数外，其余性状均小于在半同胞家系间的变异系数。