2种国外松与马尾松生长比较

通过对福建闽侯南屿林场火炬松、湿地松及马尾松家系子代测定林连续10 a的跟踪调查分析表明,火炬松家系不仅在胸径、树高及材积上存在极显著差异,而且与湿地松、马尾松的生长量也存在极显著差异;火炬松早期生长明显优于马尾松,但是随着树龄增长,马尾松生长速度明显加快,7年生时生长量超过火炬松家系平均生长量,10年生时超过火炬松最好家系生长量;湿地松生长趋势与火炬松相似,即前期生长比马尾松快,后期生长落后于马尾松,但湿地松早期生长稍落后于火炬松,后期生长优于火炬松。

Comparisons between 2 Kinds of Exotic Pines and Masson Pine

The growth data of a loblolly pine,slash pine and masson pine family filial generation determination forests in Fujian Minhou Nanyu Forest Farm was tracked,investigated,and analyzed continuously for 10 years.The results showed the growth variance among the loblolly pine families' dbh,height,and volume was significant,the variance among loblolly pine,slash pine and masson pine growth was significant;loblolly pine growth was evidently superior to masson pine,but with the increase of age,masson pine growth spe...