红松分杈现象对生长和结实的影响

Effects of Branching on Growth and Fruit of Korean pine in Eastern Mountainous Region of Liaoning

对辽东山区部分红松人工林分杈树的结实和生长情况进行了调查,分析了林木早期分杈与生长、结实的关系。结果表明,早期分杈林木的单株材积比林分的平均单株材积大27.1%,分杈树的平均单株结实量是林分的平均单株结实量的3.76%,林木早期分杈有利于增加结实量和促进林木材积生长。

A survey was conducted to study effects of early branching on grow th and fruit of Kore-an pine in Eastern Mountainous Region of Liaoning .The results showed that the individual vol-ume of branching trees was 27 .1% higher than mean volume than of the stand .The individual fruit of branching trees was 27 .1% higher than mean fruit than of the stand .So branching has a important role on grow th and fruit .