刺槐原产地不同种源果实和种子性状的对比研究

Comparative study on the fruit and seed characters of Robinia pseudoacacia from different provenances

从刺槐原产地美国收集32个不同种源刺槐果实和种子,对不同种源刺槐的果实和种子性状进行了分析。结果显示:不同种源果实和种子的性状存在极显著差异;果实和种子的性状受种源的地理位置影响,具有地理变异性,但不同性状变异规律不同。

The fruits and seeds of Robinia pseudoacacia from 32 different provenances in the Unit- ed States were collected and their characters were analyzed. The results showed that there were very significant differences in fruit and seed characters of R. pseudoacacia from different provenances,and their characters were influenced by the provenances geographic locations and had a geographical variability though different characters had different variation patterns.