论文部分内容阅读
本文对杉木、马尾松雄球花形态特征的变异性进行了测定和探讨。结果表明,这两个树种的雄球花在其自然分布区内存在着遗传变异,但杉木及马尾松大多数雄球花的性状变异,不呈现出地理分布上的变异规律性。
In this paper, the morphological variability of male flower of Chinese fir and Pinus massoniana was determined and discussed. The results showed that the male flowers of the two tree species had genetic variation in their natural distribution area, but the characters of most male flowers of Chinese fir and Pinus massoniana variances did not show the regularity of variation in geographical distribution.