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1. Interspecific hybridisation and genome size analysis in Buddleja

Author:
Van Laere, Katrijn; Leus, Leen; Van Huylenbroeck, Johan; Van Bockstaele, Erik
Source:
Euphytica 2009 v.166 no.3 pp. 445-456
ISSN:
0014-2336
Subject:
hybrids; chromosome number; interspecific hybridization; genome; chromosome aberrations; Buddleja davidii; meiosis
Abstract:
... Interspecific hybrids Buddleja davidii x Buddleja weyeriana, Buddleja weyeriana x Buddleja davidii and Buddleja davidii x Buddleja lindleyana were generated using in vitro embryo rescue 10-11 weeks after manual pollination. The morphological variation within the F1 populations was limited. The F1 progeny of B. davidii x B. lindleyana was almost sterile and no F2 generation was obtained. From the o ...
DOI:
10.1007/s10681-008-9844-9

2. Potential for analytic breeding in allopolyploids: an illustration from Longiflorum x Asiatic hybrid lilies (Lilium)

Author:
Khan, Nadeem; Zhou, Shujun; Ramanna, M. S.; Arens, Paul; Herrera, Jeronimo; Visser, Richard G. F.; Van Tuyl, Jaap M.
Source:
Euphytica 2009 v.166 no.3 pp. 399-409
ISSN:
0014-2336
Subject:
backcrossing; allopolyploidy; plant breeding; hybrids; karyotyping; diploidy; chromosomes; genome; triploidy; aneuploidy; heterozygosity; introgression; Lilium longiflorum; interspecific hybridization; nucleic acid hybridization; genetic recombination
Abstract:
... Ploidy level and intergenomic recombination was studied in interspecific hybrids between Longiflorum x Asiatic lilies (LA hybrid) backcross to Asiatic parents in order to assess the possibility for analytic breeding in lily. By backcrossing the diploid (2n = 2x = 24) F1 interspecific hybrid between Longiflorum x Asiatic lilies to Asiatic parents, 104 BC1 progeny plants were produced. Among these, ...
DOI:
10.1007/s10681-008-9824-0