Catégories
Documents disponibles dans cette catégorie (48)
![](./images/expand_all.gif)
![](./images/collapse_all.gif)
![Tris disponibles](./images/orderby_az.gif)
Hay-meadows production and weed dynamics as influenced by management / Danièle Magda (2003)
Titre : Hay-meadows production and weed dynamics as influenced by management Type de document : Tiré à part de revue Auteurs : Danièle Magda ; Jean-Pierre Theau ; Michel Duru ; François Coleno Année de publication : 2003 Importance : 127-132 Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Banque de semences
[CBNPMP-Thèmes] Biologie de la reproduction
[CBNPMP-Thèmes] Climax, succession plantes, dynamique végétation
[CBNPMP-Thèmes] Fertilisation minérale et organique, amendements
[CBNPMP-Thèmes] Pâturages artificiels, prairies
[CBNPMP-Thèmes] Plantes fourragères
[CBNPMP-Thèmes] Plantes subspontanées, naturalisées, envahissantes
[CBNPMP-Géographique] PyrénéesMots-clés : Chaerophyllum aureum L. Résumé : Managers of extensive livestock systems generally have 2 goals for permanent grassland management : to obtain sufficient dry matter to feed animals and to avoid the establishment and dominance of unpalatable species. Hay production in French Pyrenean meadows is dependant on the need to balance grazing and cutting dates to produce maximum biomass for hay stock and to prevent seed recruitment of Chaerophyllum aureum L., one of the major invasive unpalatable species. Experiments and observations on a set of meadows within farm shows that optimal dates calculated from degree-days for cutting or spring grazing of C. aureum fitted to seed production and apex development respectively, decreases hay yield. This decrease is related to the earliness of the cut in regard to sward growth or to the biomass loss by senescence ue to the vegetative regrowth of the sward after spring grazing. Compromises and choices have to be made for each meadowvby the farmer according to its potential production, the risk of invasion by C. aureum, and its role in the forage system. Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=134293 Magda, D., Theau, J.P., Duru, M., Coleno, F. 2003. Hay-meadows production and weed dynamics as influenced by management. Journal of Range management, 56(2) : 127-132.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 22273 M. Tiré à part Centre de documentation Tirés à part Consultable II Congreso de biología de la conservación de plantas : programa y libro de resúmenes / Jardín botánico atlántico (2005)
Titre : II Congreso de biología de la conservación de plantas : programa y libro de resúmenes Type de document : Imprimé Auteurs : Jardín botánico atlántico ; Sociedad española de biología de la conservación de plantas Editeur : Gijón : Jardín botánico atlántico Année de publication : 2005 Importance : 234 p. Langues : Français (fre) Catégories : [CBNPMP-Thèmes] Biologie de la reproduction
[CBNPMP-Thèmes] Espace protégé, protection de l'environnement, conservatoires Botaniques Nationaux
[CBNPMP-Thèmes] Statut des espèces & des milieux, degré de menace, extinction, régression, plantes rares, Livre RougeNote de contenu : Gijón 21, 22 y 23 de septiembre de 2005 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=79002 2005. II Congreso de biología de la conservación de plantas : programa y libro de resúmenes. Jardín botánico atlántico, Gijón. 234 pp.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 15268 4400 Livre Centre de documentation Bibliothèque Consultable Inbreeding depression in two populations of Arenaria uniflora (caryophyllaceae) with contrasting mating systems / Lila Fishman in Heredity, 86 (2) (02/2001)
![]()
[article]
Titre : Inbreeding depression in two populations of Arenaria uniflora (caryophyllaceae) with contrasting mating systems Type de document : Imprimé Auteurs : Lila Fishman (1969-) Année de publication : 2001 Article en page(s) : 184-194 Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Biologie de la reproduction Mots-clés : Arenaria Résumé : I used parallel family-structured crossing designs to investigate the relative performance of self and outcross progeny in selfing and predominantly outcrossing populations of the annual plant Arenaria uniflora. The selfer population experienced much lower inbreeding depression (δ=0.05 ± 0.02 SE) than the outcrossers (δ=0.19 ± 0.02 SE). The negative association between genetic load and selfing rate suggests that purgable partially recessive alleles are the primary source of inbreeding depression, as does its late expression in both populations. Inbreeding depression in the selfer population, which naturally consists of highly inbred lines, was used to calculate the mean dominance (h=0.33) and incidence rate (U=0.30) of deleterious mutations. In the outcrosser population, significant variation among individuals in the expression of inbreeding depression may reflect lineage-specific differences in inbreeding history or, more probably, random variation in mutational load. The low (<<0.5) inbreeding depression of outcrossers suggests that the maintenance of a mixed mating system in some A. uniflora populations and the evolution of nearly cleistogamous self-pollination in others may reflect local pollinator-mediated selection for selfing rather than the constant 3:2 genetic advantage invoked by many models. Lien pérenne : DOI : 10.1046/j.1365-2540.2001.00820.x Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=137507
in Heredity > 86 (2) (02/2001) . - 184-194Fishman, L. 2001. Inbreeding depression in two populations of Arenaria uniflora (caryophyllaceae) with contrasting mating systems. Heredity, 86(2): 184-194.Documents numériques
Consultable
Article (2001)URLIncidences conservatoires et systématiques d'une étude morphologique, biologique et cytogénétique de l'Eryngium viviparum Gay, taxon au bord de l'extinction / Stéphane Buord in Bulletin de la Société botanique du Centre-ouest. Numéro spécial, 19 (n.s.) (1999)
[article]
Titre : Incidences conservatoires et systématiques d'une étude morphologique, biologique et cytogénétique de l'Eryngium viviparum Gay, taxon au bord de l'extinction Type de document : Imprimé Auteurs : Stéphane Buord ; Michèle Couderc ; Henri Couderc (1934-2020) ; Jean Pierre Reduron (1950-) Année de publication : 1999 Article en page(s) : 197-208 Catégories : [CBNPMP-Thèmes] Cytogénétique
[CBNPMP-Thèmes] Caryologie, degré de ploïdie, nombre de chromosomes
[CBNPMP-Thèmes] Biologie de la reproductionMots-clés : Eryngium viviparum Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=143708
in Bulletin de la Société botanique du Centre-ouest. Numéro spécial > 19 (n.s.) (1999) . - 197-208Buord, S., Couderc, M., Couderc, H., Reduron, J.P. 1999. Incidences conservatoires et systématiques d'une étude morphologique, biologique et cytogénétique de l'Eryngium viviparum Gay, taxon au bord de l'extinction. Bulletin de la Société botanique du Centre-ouest. Numéro spécial, 19(n.s.): 197-208.Male sterility, protogyny, and pollen-pistil interference in Plantago maritima (Plantaginaceae), a wind-pollinated, self-incompatible perennial / Patrik Dinnétz in American Journal of Botany, 84 (11) (1997)
![]()
[article]
Titre : Male sterility, protogyny, and pollen-pistil interference in Plantago maritima (Plantaginaceae), a wind-pollinated, self-incompatible perennial Type de document : Imprimé Auteurs : Patrik Dinnétz Année de publication : 1997 Article en page(s) : 1588-1594 Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Biologie de la reproduction Mots-clés : Plantago Plantago maritima L. Résumé : Evolution and maintenance of male sterility in seed plants can be explained by the maternal inheritance of mitochondria, which encode the trait, and by adaptive functions that enhance female fecundity in male-sterile compared to hermaphrodite individuals. Protogyny and male sterility can independently decrease the negative effect of pollen–pistil interference in self-incompatible species. In Plantago maritima, which possesses both traits, protogyny increases seed set in hermaphrodite individuals. This is shown both by a significantly positive association between seed set and retarded dehiscence of the anthers and by a more than 50% reduction in seed set following self-pollination. Male sterility does not seem to increase seed set further, as female and hermaphrodite plants do not differ significantly in mean seed set per capsule. Bagging experiments demonstrate strong self-incompatibility in the study populations. Hence, in P. maritima male sterility seems neither to prevent selfing nor to reduce the effect of pollen–pistil interference. Females had significantly larger stigmas than hermaphrodites, but seed set varied negatively with stigma length among females, indicating that the evolution of unisexuality in P. maritima is not due to prefertilization sex allocation. I therefore conclude that the genetical system of nucleocytoplasmic determination of gender is the main cause for maintenance of male sterility in P. maritima. Lien pérenne : DOI : 10.2307/2446621 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=137653
in American Journal of Botany > 84 (11) (1997) . - 1588-1594Dinnétz, P. 1997. Male sterility, protogyny, and pollen-pistil interference in Plantago maritima (Plantaginaceae), a wind-pollinated, self-incompatible perennial. American Journal of Botany, 84(11): 1588-1594.Documents numériques
Consultable
article (1997)URLMating system of yellow starthistle (Centaurea solstitialis), a successful colonizer in North America / M. Sun in Heredity, 80 (2) (02/1998)
![]()
PermalinkLes mouvements des végétaux / Paul-Emile Pilet (1953)
PermalinkNouvelles découvertes de sporophytes juvéniles dans les populations de gamétophytes indépendants de Trichomanes speciosum Willd. / S. Loriot in Le Monde des plantes, 478 (2003)
PermalinkOrchidées d'Europe : fleur et pollinisation / Jean Claessens (2016)
PermalinkOutcrossing rate and self-incompatibility in the colonizing species Senecio squalidus / Richard Abbott in Heredity, 71 (2) (1993)
![]()
PermalinkPhenomorphology and reproductive biology of Pinguicula longifolia Ramond ex DC. subsp. longifolia (Lentibulariaceae), a carnivorous endemic / María Begoña García (1994)
PermalinkPlant density, cleistogmy and self-fertilization in natural populations of Lithospermum caroliniense / Donald A. Levin in American Journal of Botany, 59 (1972)
PermalinkPlant growth and reproduction on a toxic alpine ultramafic sil : adaptation to nutrient limitation / Lazlo Nagy in New Phytologist, 137 (2) (1997)
![]()
PermalinkLes plantes rares possèdent-elles des particularités reproductives ? Bilan pour les espèces végétales pyrénéennes ; Cas d'étude : le genre Androsace (Primulaceae) / S. Caceres (2002)
PermalinkLes plantes et le sexe / Marc Philippe in La Garance voyageuse, 105 (2014)
PermalinkPollen limitation of reproductive success in two sympatic alpine willows (Salicaceae) with contrasting pollination strategies / Ørjan Totland in American Journal of Botany, 88 (6) (2001)
![]()
PermalinkPollination biology of Paeonia jishanensis T. Hong & W.Z. Zhao (Paeoniaceae), with special emphasis on pollen and stigma biology / L. Zhou-Shi in Botanical journal of the Linnean Society, 130 (1) (05/1999)
![]()
PermalinkReproductive biology of the Iberian species of Potentilla L. (Rosaceae) / A Guillén in Anales del Jardín Botánico de Madrid (1979), 62 (1) (06/2005)
PermalinkThe biology and chemistry of the Compositae - Volume 1 / Vernon Hilton Heywood (1977)
PermalinkThe biology and chemistry of the Compositae - Volume 2 / Vernon Hilton Heywood (1977)
PermalinkThe different mechanism of sporophytic self-incompatibility / Simon John Hiscock (2003)
PermalinkThe diversity of self-incompatibility systems in flowering plants / Simon John Hiscock (2003)
PermalinkThe relationship of reproductive biology to the rarity of endemic Aster curtus (Asteraceae) / D. Giblin (1999)
Permalink