思茅松优树选择

Selection of Superior Tree of Pinus kesiya var.langbianensis

以对比木法选优为基础，应用数理统计方法，以相对生长指标及绝对生长指标建立思茅松优树选择综合指数，将思茅松优树选择定量化，提高了优树选择的可靠性，简化了选优程序.

On the basis of the contrast tree method,the authors of the article have esta-blished an integrated index of Plus tree selection of Pinus kesiya var.langbianensis applyingquantitative statistic method and the relative and the absolute growth indices to increase theircredibiIity and simplize the selection process.