The level of genetic variation in population originated from seedings (PPB=37.36%) was higher than that in population of old trees (PPB= 16.48%) and population of graft-originated (PPB=20.88%).

• 百山祖冷杉的3个群体遗传多样性比较分析表明；经人工授粉的实生苗群体(PPB=37.；36%25)遗传多样性明显高于老树群体(PPB=16