植物性别问题的研究,一直是人们所关注的问题,它不仅在理论上,而且在生产实践上均具有重要的意义。因为不同性别的植株,具有不同的经济价值,特别是雌、雄异株的植物。尤其是经济林木,需要生长几年后才进入开花期。所以在树木幼年期进行性别鉴定,一直成为人们所期望的目标。特别是经济林木性别的早期鉴定的研究越来越显得迫切和重要。 Research on plant gender has always been a concern of people, which is of great significance not only in theory but also in production practice. Because of different gender plants, have different economic value, especially the female and the male plant. In particular, economic trees, need to grow a few years before entering the flowering period. Therefore, gender identification in the tree infancy has been the target of people’s expectations. In particular, the research on the early identification of economic forest sex becomes more and more urgent and important.