Faculty of Biology, University of Latvia
Hard copy: ISSN 1691–8088
On-line: ISSN 2255–9582
Acta Univ Latv (2004) 676: 213–217
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Environmental and

Acta Univ Latv (2004) 676: 213–217

Orginal Article

Interspecific hybridization and embryo rescue in breeding of lilies

Juozas Proseviçius1*, Lidija Strikulyte2
1Department of .Botany, Faculty of Nature Science ,Vilnius Pedagogical University, Studentu 39, Vilnius 08106, Lithuania
2Institute of Botany, Žaliųjų Ežerų 49, Vilnius 2021, Lithuania
*Corresponding author, E-mail: juozasp@delfi.lt


This research investigates the hybridization of species Lilium pumilum Delile, L. regale Wils., L. candidum L., L. monadelphum Bieb., L. martagon L., L. henryi Baker. and cultivars of Asiatic, Trumpet and Oriental hybrids. To overcome fertilization barriers in incongruous crosses, cut-style pollination and pollination by mixed pollen were performed. The hybrid plants were obtained by in vitro cultivation of excised immature embryos. Cut-style pollination was efficient when Asiatic hybrids were pollinated by pollen of L. pumilum. Cut-style pollination and culture of excised embryo allowed receive few hybrids between Oriental hybrids and L. henryi or L. regale. Pollination of a female by a mixture of incompatible pollen was more efficient than cut-style pollination. Hybrid plants with random paternity were produced using the pollen mixture.

Key words: interspecific hybridization, pre-fertilization barriers, embryo rescue, Lilium candidum, L. pumilum, L. monadelphum, L. regale, L. henryi, L. martagon.

Acta Univ Latv (2004) 676: 213–217
 DOI: http://doi.org/10.22364/eeb

Prof. Gederts Ievinsh
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