【摘要】 论述了鹅掌楸属2个种植物的分布、形态演化及生殖生物学、资源保护和育种等方面的研究进展,以供生产利用借鉴。更多还原

【Abstract】 There are two species left in Liriodendron now.One is L.tulipifera,distributed in the east of USA and southeast of Canada.The other is L.chinense,scattered in south mountain areas of Yangze River.It has been falling into "endangered species",its natural setting percentage was lower than 15 percent with a lot of reproductive ecological and embryological reasons.The hybrid of the two species has many values,for example vigorous growth,nice flower,beautiful tree form,strong adaptive faculty,no diseases and insects.The current advances was reviewed on distribution,morphology evolution,reproductive biology,germplasm protection and breeding.更多还原