Brassica sect. Brassica (Brassicaceae)
Identifieur interne : 000346 ( Main/Exploration ); précédent : 000345; suivant : 000347Brassica sect. Brassica (Brassicaceae)
Auteurs : Roland Von Bothmer [Suède] ; Mats Gustafsson [Suède] ; Sven Snogerup [Suède]Source :
- Genetic Resources and Crop Evolution [ 0925-9864 ] ; 1995-06-01.
Descripteurs français
English descriptors
- KwdEn :
- Abnormal number, Abnormal seedlings, Accession, Adult plants, Alboglabra, Bourgeaui, Brassica, Brassica oleracea, Brassica sect, Broccoli, Brussels sprouts, Cabbage, Calabrese, Cauliflower, Cretica, Cultivar, Curly kale marrow, Cytodeme, Dias, Fertility, Genome, Germination, Germination frequencies, Giant jersey, Gustafsson, High values, Hybrid, Hybrid families, Incana, Insularis, Ionian islands, Kale, Karam, Kinanian, Kinanian quiros, Kohlrabi, Landraces, Macrocarpa, Major groups, Montana, Morphological characters, Oleracea, Oleracea cytodeme, Oleracea group, Pollen fertility, Pollen stainability, Present investigation, Quiros, Rflp study, Rupestris, Savoy cabbage, Seed assoc, Seedling, Several combinations, Snogerup, Taxon, Thompson morgan, Villosa, White cabbage, White head cabbage, Wild forms, Wild species, Wild taxa.
- Teeft :
- Abnormal number, Abnormal seedlings, Accession, Adult plants, Alboglabra, Bourgeaui, Brassica, Brassica oleracea, Brassica sect, Broccoli, Brussels sprouts, Cabbage, Calabrese, Cauliflower, Cretica, Cultivar, Curly kale marrow, Cytodeme, Dias, Fertility, Genome, Germination, Germination frequencies, Giant jersey, Gustafsson, High values, Hybrid, Hybrid families, Incana, Insularis, Ionian islands, Kale, Karam, Kinanian, Kinanian quiros, Kohlrabi, Landraces, Macrocarpa, Major groups, Montana, Morphological characters, Oleracea, Oleracea cytodeme, Oleracea group, Pollen fertility, Pollen stainability, Present investigation, Quiros, Rflp study, Rupestris, Savoy cabbage, Seed assoc, Seedling, Several combinations, Snogerup, Taxon, Thompson morgan, Villosa, White cabbage, White head cabbage, Wild forms, Wild species, Wild taxa.
Abstract
Summary: An extensive crossing program including 10 wild taxa and 23 accessions representing 6 major cultivated forms and landraces of theBrassica oleracea group was carried out. Data for crossability, germination, viability, fertility inF 1 andF 2 were studied as well as the meiotic chromosomal pairing inF 1 hybrids in some combinations. The fertility of hybrids between all cultivated forms and wild populations ofB. oleracea was high and it was concluded that all, including the Chinese endemicalboglabra form, belong to the same biological species. Among the other species,B. macrocarpa, B. montana, andB. rupestris had the lowest andB. cretica the highest fertility values in crosses with cultivated forms. The crossing data do not give any further information as to the genetic differentiation ofB. oleracea during the course of domestication. Introgression between wild and cultivated forms has probably occurred frequently. All members of theB. oleracea cytodeme belong to the primary and secondary gene pools of the 18 chromosomic crops and are as such of great importance for breeding purposes.
Url:
DOI: 10.1007/BF02539520
Affiliations:
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Le document en format XML
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Data for crossability, germination, viability, fertility inF 1 andF 2 were studied as well as the meiotic chromosomal pairing inF 1 hybrids in some combinations. The fertility of hybrids between all cultivated forms and wild populations ofB. oleracea was high and it was concluded that all, including the Chinese endemicalboglabra form, belong to the same biological species. Among the other species,B. macrocarpa, B. montana, andB. rupestris had the lowest andB. cretica the highest fertility values in crosses with cultivated forms. The crossing data do not give any further information as to the genetic differentiation ofB. oleracea during the course of domestication. Introgression between wild and cultivated forms has probably occurred frequently. All members of theB. oleracea cytodeme belong to the primary and secondary gene pools of the 18 chromosomic crops and are as such of great importance for breeding purposes.</div></front></TEI><affiliations><list><country><li>Suède</li></country></list><tree><country name="Suède"><noRegion><name sortKey="Von Bothmer, Roland" sort="Von Bothmer, Roland" uniqKey="Von Bothmer R" first="Roland" last="Von Bothmer">Roland Von Bothmer</name></noRegion><name sortKey="Gustafsson, Mats" sort="Gustafsson, Mats" uniqKey="Gustafsson M" first="Mats" last="Gustafsson">Mats Gustafsson</name><name sortKey="Snogerup, Sven" sort="Snogerup, Sven" uniqKey="Snogerup S" first="Sven" last="Snogerup">Sven Snogerup</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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