【摘要】 白蜡品种繁多，在我国分布广泛，耐盐碱，适应性强，是盐碱地营林和城市绿化的重要树种，对促进盐碱地区绿化建设具有重要作用。本文综述了白蜡开花、花粉萌发等方面的生物学特性，对白蜡杂交育种的必要性、杂交方法和亲本选择等方面进行了探讨，总结了前人的研究进展，同时，根据目前白蜡杂交育种的研究现状，对白蜡杂交育种的发展趋势进行了展望。更多还原

【Abstract】 There are many varieties of Fraxinus and it is widely distributed in our country. It is an important tree species in saline-alkali soil afforestation and urban greening. In this paper, the biological characteristics of the flowering and pollen germination of Fraxinus were summarized, and the necessity of the hybrid breeding of Fraxinus, the methods of hybridization and the selection of parents were discussed, according to the current research status of hybrid breeding of Fraxinus, the development trend of hybrid breeding of Fraxinus was prospected.更多还原