结果表明：该属植物种子微形态特征在种的水平上具有分类学意义；同种的不同地方居群间基本类型一致，但也存在一定程度的变异。
The results show that the seeds micro-morphological characteristics have taxonomic and significance at species level and there is little variation existing in different populations.
本文还就不同作物间的进化关系及种皮纹饰在种子鉴定方面的应用问题进行了讨论。
The evolutional relationships of Brassica crops and the application of OSC to the seed certification are discussed as well.
白皮松种子休眠特性在种源间的差异是气候及地理因子共同作用的结果。
The difference of dormancy characteristics of different P. bungeana seed sources was the result of interaction between climatic and geographical factors.
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