Analysis of the Hybridization between Triploid Ornamental Lily (Lilium) and Diploid Edible Lilium brownii var. viridulum
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    Abstract:

    To explore the hybridization compatibility of triploid lily and Lilium brownii var. viridulum (BB), and realize the fusion and innovation of the ornamental and edible lily, we used triploid lily Triumphator (LLO) as female parent, L. brownii var. viridulum as male parents, and the normal and cut style pollination, and with genomic in situ hybridization (GISH) to analyze the genome composition of parents and progenies. The results showed that: (1) 17 welldeveloped fruits were obtained, and 40 seedlings were obtained by embryo rescue, and the normal pollination was obviously better than that of cut style pollination. (2) GISH showed that all the progenies, which were selected randomly, were aneuploidy with 26-32 chromosomes, among which the O genome chromosome number were 2-8, and the sum of L and B genome chromosomes were 24 invariably. (3) Meaning O genome could not be distinguished from B genome using GISH, and there was no recombination in the parent and progenies. This illustrated, L. brownii var. viridulum and lilies would not be so distant, and when L. brownii var. viridulum as male parent was hybridized with the triploid Triumphator, aneuploidy lilies could be obtained. Since this way could realize the fusion and innovation of ornamental and edible lilies, it provide some valuable information to breed edible and ornamental lilies.

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CUI Luomin, WAN Lin, ZHOU Shujun. Analysis of the Hybridization between Triploid Ornamental Lily (Lilium) and Diploid Edible Lilium brownii var. viridulum[J]. Acta Botanica Boreali-Occidentalia Sinica,2021,41(6):971-976

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  • Online: July 20,2021
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