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Genetic consequences of a single-founder population bottleneck in Trifolium amoenum (Fabaceae) / Eric E. Knapp in American Journal of Botany, 86 (1) (1999)
[article]
Titre : Genetic consequences of a single-founder population bottleneck in Trifolium amoenum (Fabaceae) Type de document : Imprimé Auteurs : Eric E. Knapp ; Peter G. Connors Année de publication : 1999 Article en page(s) : 124-130 Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Génétique et écologie (dynamique, démographique, sélection) Mots-clés : Trifolium Résumé : We investigated the genetic consequences of a single-founder bottleneck in a population of showy Indian clover (Trifolium amoenum), a species presumed to be extinct until rediscovered near Occidental, California, in 1993. Electrophoretic variation was evaluated in the bottlenecked population and in a larger population (Dillon Beach) discovered during the course of this study, as well as in populations of two closely related species, T. albopurpureum var. dichotomum and T. macraei. We found a surprisingly high amount of polymorphism in the single-founder T. amoenum population from Occidental (15% of loci polymorphic; an average of 1.1 alleles per locus). However, this represents a 53% reduction in number of polymorphic loci and a 20% reduction in average number of alleles per locus compared to three Trifolium populations with putatively similar mating systems (the Dillon Beach T. amoenum population and both populations of T. albopurpureum var. dichotomum). Expanding the genetic base of the Occidental T. amoenum population is a priority due to concerns about loss of evolutionary potential and the possibility of deleterious effects associated with inbreeding. However, using seed from the Dillon Beach T. amoenum population may not be beneficial due to distinct, presumably adaptive differences between plants from the two populations and concerns about outbreeding depression. Lien pérenne : DOI : 10.2307/2656961 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=137549
in American Journal of Botany > 86 (1) (1999) . - 124-130Knapp, EE., Connors, PG. 1999. Genetic consequences of a single-founder population bottleneck in Trifolium amoenum (Fabaceae). American Journal of Botany, 86(1): 124-130.Documents numériques
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article (1999)URL Morphological relationship among 15 species of Trifolium occurring in Poland / Z. Bulinska-Radomska (2000)
Titre : Morphological relationship among 15 species of Trifolium occurring in Poland Type de document : Tiré à part de revue Auteurs : Z. Bulinska-Radomska Année de publication : 2000 Importance : 267-272 Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Systématique, taxonomie
[CBNPMP-Thèmes] Variabilité morphologiqueMots-clés : Trifolium Résumé : Populations of 15 Trifolium species were morphologically assayed to elucidate species relationships and taxonomic arrangements in the genus. Twenty-one characters were scored and analyzed by numerical methods. All species proved to be heterogenous. The levels of dissimilarity among populations of the same species ranged from around 0.05 to around 0.6. Cluster analysis divided all taxa into two major groups of species which were joined at D (Euclidean Distance) around 0.9. Within the first group three major sub-groups were revealed, comprising T. hybridum L., T. repens L., T. strepens Cr., T. dubium Sibth., T. campestre Schreb., T. patens Schreb. and T. fragiferum L. The second major group consisted of T. pannonicum L., T. arvense L., T. montanum L., T. incarnatum L., T. alpestre L., T. rubens L., T. pratense L. and T. medium L. The present results proved that the genus is very heterogenous, and support the hypothesis that the section Lotoidea was probably the stock from which other sections derived. Morphological relationships among 15 Trifolium species support their taxonomic arrangements proposed by Zohary & Heller (1984), with some exceptions. Sectional positions of T. montanum and T. strepens should be reexamined. Conspecific ranks for three species of section Chronosemum – T. dubium, T. campestre and T. patens – should be considered. Lien pérenne : DOI : 10.1023/A:1008707024828 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=130448 Bulinska-Radomska, Z. 2000. Morphological relationship among 15 species of Trifolium occurring in Poland. Genetic Resources and Crop Evolution, 47 : 267-272.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 8789 B Tiré à part Centre de documentation Tirés à part Consultable The genus Trifolium / M. Zohary (1984)
Titre : The genus Trifolium Type de document : Imprimé Auteurs : M. Zohary ; D. Heller Editeur : Jérusalem (Israël) : The Israel Academy of Sciences and Humanities Année de publication : 1984 Importance : 606 p. Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Systématique, taxonomie Mots-clés : Trifolium Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=76826 Zohary, M., Heller, D. 1984. The genus Trifolium. The Israel Academy of Sciences and Humanities, Jérusalem (Israël). 606 pp.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 8847 FLO Livre Bureaux Flore Consultable Seed and seedling ecology in annual legumes, I : A comparison of seed size and seedling development in some annual species / George Ledyard Stebbins in Oecologia Plantarum, 11 (4) (1976)
[article]
Titre : Seed and seedling ecology in annual legumes, I : A comparison of seed size and seedling development in some annual species Type de document : Imprimé Auteurs : George Ledyard Stebbins (1906-2000) Année de publication : 1976 Article en page(s) : 321-331 Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Généralités en phytotechnie et production végétale
[CBNPMP-Thèmes] Récoltes annuelles des champs : céréales, légumineuses, pomme de terre
[CBNPMP-Géographique] MontpellierMots-clés : Medicago Melilotus Trifolium Medicago lupulina L. Medicago ciliaris (L.) All. Medicago orbicularis (L.) Bartal. Medicago scutellata (L.) Miller Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=150656
in Oecologia Plantarum > 11 (4) (1976) . - 321-331Stebbins, G.L. 1976. Seed and seedling ecology in annual legumes, I : A comparison of seed size and seedling development in some annual species. Oecologia Plantarum, 11(4): 321-331.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité R6159 P-341 Revue Réserve Revues Consultable Seed and seedling ecology in annual legumes, II : stem growth, seed production and mechanisms for transport / George Ledyard Stebbins in Oecologia Plantarum, 11 (4) (1976)
[article]
Titre : Seed and seedling ecology in annual legumes, II : stem growth, seed production and mechanisms for transport Type de document : Imprimé Auteurs : George Ledyard Stebbins (1906-2000) Année de publication : 1976 Article en page(s) : 333-344 Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Généralités en phytotechnie et production végétale
[CBNPMP-Thèmes] Récoltes annuelles des champs : céréales, légumineuses, pomme de terre
[CBNPMP-Géographique] MontpellierMots-clés : Medicago Melilotus Trifolium Medicago lupulina L. Medicago ciliaris (L.) All. Medicago orbicularis (L.) Bartal. Medicago scutellata (L.) Miller Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=150655
in Oecologia Plantarum > 11 (4) (1976) . - 333-344Stebbins, G.L. 1976. Seed and seedling ecology in annual legumes, II : stem growth, seed production and mechanisms for transport. Oecologia Plantarum, 11(4): 333-344.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité R6159 P-341 Revue Réserve Revues Consultable