日本落叶松家系选择研究

Research on Family Selection for Larix kaempferi

笔者介绍了1989-2004年间进行的日本落叶松家系选择研究,结果表明：家系间生长差异大,相关关系紧密,从日本落叶松59个家系中,选育出日本落叶松优良家系20个,占1/3,比对照材积提高22.9%。

The authors introduce research on family selection for Larix kaempferi from 1989 to 2004. Result indicates that there are great growth differences and close correlativity among the family. From 59 families of Larix kaempferi , 20 elite families have been selected and bred accounting for 1/3 which raise 22.9% than comparison volume areas.