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本文总结了1981年在我国3个气候带7个试验点火炬松8a种源试验结果:①对不同种源火炬松的树高、胸径生长进行了显著性检验;②火炬松种源(树高、材积)×地点的互作显著;③火炬松种源2、4年生树高、胸径和至8年生高、径生长相关显著,为早期选择提供依据;④根据生长快、适应性强两项因子,综合评选出一批适合我国不同气候带及自然类型区的国外松树种及火炬松优良种源。
This paper summarizes the results of eight provenances of Pinus taeda in seven test sites in three climatic zones in China in 1981: (1) The tree height and DBH growth of Pinus taeda were significantly tested; (2) , Volume) × site interaction; ③ 2-3 years of Pinus taeda provenance tree height, DBH and 8-year-old height, diameter growth significantly, providing the basis for early selection; ④ According to the rapid growth and adaptability of two Factors, a comprehensive selection of a number of suitable for China’s different climatic zones and natural types of areas of foreign pine species and good sources of Pinus taeda.