火炬松引种试验及优良家系选择

对从美国引进的火炬松第1代种子园的25个家系,以湿地松、马尾松为对照在福建省漳平五一国有林场开展引种栽培试验,结果表明:火炬松的生长优于湿地松、马尾松;各家系在树高、胸径和材积等性状上有着显著差异,3个性状的遗传力高,根据性状综合表现选择出6个优良家系。

Pinus taeda Introduction Experiment and Fine Family Selection

The result showed that the Pinus taeda growth was superior to the P.elliottii and P.massoniana growth;there were evident characteristic differences of tree height,dbh and volume among various families,the genetic abilities of the 3 characteristic were high,6 fine familes were selected according to the characteristic comprehensive display.