Genetic variations in different levels of masson pine (Pinus massoniana Lamb.) in main traits were studied on the basis of the 12-year-old data of provenance tests at 7 test locations and the 11-year-old data of plus progenies at 2 test locations, and the
Genetic variations in different levels of masson pine (Pinus massoniana Lamb.) in main traits were studied on the basis of the 12-year-old data of provenance tests at 7 test locations and the 11-year-old data of plus progenies at 2 test locations, and the
以7个试验点12年生马尾松种源试验林及2个试验点11年生优树子代测定林为基础材料，在研究马尾松主要性状不同层次遗传变异的基础上，对马尾松制浆造纸材良种选育目标及在不同变异层次的选择策略进行了探讨。