| 1 | The strategies of conservation of Liriodendron were also discussed in this paper. | |
| 2 | With clustering analyses, 12 provenances of Chinese tulip was classified into two groups. | |
| 3 | The abortion of pollen is one of the important factors to restrict reproduction success of Liriodendron chinense (Hemsl. | |
| 4 | Overall, a relatively high level of genetic diversity was found in the progenies of the 14 mating combinations in Liriodendron. | |
| 5 | These indicated that there existed rich energy metabolisms in the genesis and development of somatic embryos of Liriodendron hybrid. |