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| Code-barres | Cote | Support | Localisation | Section | Disponibilité |
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| R20638 | P-1824 | Revue | Centre de documentation | Revues | Consultable |
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Ajouter le résultat dans votre panierMonographs on invasive plants in Europe N° 5: Ambrosia trifida L. / Bruno Chauvel in Botany letters, 168 (2) (2021)
Titre : Monographs on invasive plants in Europe N° 5: Ambrosia trifida L. Type de document : Imprimé Auteurs : Bruno Chauvel ; Guillaume Fried ; Swen Follak ; Daniel S Chapman ; Yuliana Kulakova ; Thomas Le Bourgeois ; Dragana Marisavljevic ; Arnaud Monty ; Jean-Pierre Rossi ; Uwe Starfinger ; Rob Tanner ; Xavier Tassus ; Johannes Leonardus Cornelis Hendrikus van Valkenburg (1964) ; Emilie Regnier Année de publication : 2021 Article en page(s) : 167-190 Langues : Anglais (eng) Catégories : [CBNPMP-Thématique] Plantes subspontanées, naturalisées, envahissantes Mots-clés : Ambrosia trifida L., 1753 Résumé : Ambrosia trifida L. (giant ragweed, Asteraceae) is native to the North American continent and was introduced into Europe and Asia at the end of the 19th century. In its native range, this tall annual species is common in riparian and ruderal habitats and is also a major weed in annual cropping systems. For nearly a century, A. trifida has also been of great concern in the U.S. for its highly allergenic pollen, necessitating targeted control measures to reduce its impact on human populations. Based on the distribution of A. trifida in North America and in its introduced range, riparian systems in the rest of the world may be particularly at risk to invasion, with potential negative consequences for their biodiversity. Currently, A. trifida has invaded Asia more widely than Europe, likely due to the more favourable local conditions in Asia. Throughout its introduced range, A. trifida is host to a limited number of invertebrates and pathogens and only a few biological agents are available for its control. The main impacts of A. trifida at a global level are on crop yield and human health, resulting in significant socio-economic impacts. The success of A. trifida invasion in areas in which it has been introduced is still unclear, but climate change may increase climate suitability, increasing the potential for A. trifida to spread. While effective management in cultivated fields seems potentially possible, the development and control of A. trifida in natural riparian habitats is of great concern due to the difficulty of management in these areas. Lien pérenne : DOI : 10.1080/23818107.2021.1879674 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=146882
in Botany letters > 168 (2) (2021) . - 167-190Chauvel, Bruno, Fried, Guillaume, Follak, Swen, Chapman, Daniel S, Kulakova, Yuliana, Le Bourgeois, Thomas, Marisavljevic, Dragana, Monty, Arnaud, Rossi, Jean-Pierre, Starfinger, Uwe, Tanner, Rob, Tassus, Xavier, Valkenburg, Johannes Leonardus Cornelis Hendrikus van (1964), Regnier, Emilie 2021 Monographs on invasive plants in Europe N° 5: Ambrosia trifida L. Botany letters, 168(2): 167-190.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité R20638 P-1824 Revue Centre de documentation Revues Consultable
Titre : Genetic variation underlies the plastic response to shade of snapdragon plants (Antirrhinum majus L.) Type de document : Imprimé Auteurs : Mathilde Mousset ; Sara Marin ; Juliette Archambeau ; Christel Blot ; Vincent Bonhomme ; Laura Garaud ; Benoit Pujol Année de publication : 2021 Article en page(s) : 256-269 Langues : Anglais (eng) Catégories : [CBNPMP-Thématique] Phénologie Résumé : A classic example of phenotypic plasticity in plants is the set of traits that change in response to shade. There is widespread evidence that plants in low light conditions often avoid shade by growing taller or by increasing their photosynthetic efficiency, i.e. the shade avoidance syndrome. Whether this plasticity might evolve in response to natural selection depends upon the presence of its standing genetic variation in wild populations. There is limited evidence for heritable standing variation in the plastic response of plants to shade. In this study, we used an experimental common garden approach to investigate this plastic response in snapdragon plants (Antirrhinum majus L.) originating from four natural populations from the Mediterranean region. Our results showed that individual plants reacted strongly to the presence of shade by growing longer shoots, longer internodes, and increasing their specific leaf area in these four populations. Our results also revealed genetic variation for the plastic response within these populations, as well as little genetic constraints to its evolution. Our findings imply that natural populations of A. majus harbour standing genetic variation for phenotypic plasticity in response to shade, providing them the potential to evolve in response to selection. Lien pérenne : DOI : 10.1080/23818107.2020.1857833 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=146883
in Botany letters > 168 (2) (2021) . - 256-269Mousset, Mathilde, Marin, Sara, Archambeau, Juliette, Blot, Christel, Bonhomme, Vincent, Garaud, Laura, Pujol, Benoit 2021 Genetic variation underlies the plastic response to shade of snapdragon plants (Antirrhinum majus L.). Botany letters, 168(2): 256-269.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité R20638 P-1824 Revue Centre de documentation Revues Consultable
Titre : Biodiversity of some Solanum species from southwestern Saudi Arabia’s highlands Type de document : Imprimé Auteurs : Gamal A. El-Shaboury ; Husain M. Al-Wadi ; Abdelfattah Badr Année de publication : 2021 Article en page(s) : 246-255 Langues : Anglais (eng) Catégories : [CBNPMP-Thématique] Phylogénie (liens existant entre espèces apparentées) Mots-clés : Solanum Résumé : The wild species of Solanum are important genetic resources for the medicinal and vegetable crop species of the genus and reservoir of genes for developing new economic uses of Solanum species. In this article, the genetic diversity and systematics of 14 Solanum accessions representing 11 species growing in the southwestern highlands of Saudi Arabia were evaluated using morphological variations and molecular polymorphism generated by 13 ISSR primers. Substantial variations were scored in 26 morphological characters and reflected in the cluster analysis of the examined accessions based on morphological variation. In the cluster trees illustrating the relatedness of the examined accessions based on morphological variation and ISSR polymorphism, the accessions of S. villosum and S. nigrum were differentiated as one cluster and S. dulcamara was associated with S. sisymbriifolium. In the meantime, S. coagulans was clustered with S. macracanthum. The analysis of ISSR data confirms that S. villosum is related to S. nigrum and supports the grouping S. incanum and S. glabratum based on the morphological traits. Principle Component Analysis (PCA) analysis of morphological and ISSR data as a combined set, differentiated the examined species into four groups in a scatter plot. The differentiation of the species/populations in the PCA scatter diagram agrees with their separation in the cluster trees. The four groups are 1. S. macracanthum, S. coagulans and S. schimperianum. 2. S. glabratum and S. incanum. 3. S. dulcamara, S. sisymbriifolium and S. torvum, 4. S. nigrum, S. villosum, and S. villosum ssp. puniceum. Lien pérenne : DOI : 10.1080/23818107.2020.1846614 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=146884
in Botany letters > 168 (2) (2021) . - 246-255El-Shaboury, Gamal A., Al-Wadi, Husain M., Badr, Abdelfattah 2021 Biodiversity of some Solanum species from southwestern Saudi Arabia’s highlands. Botany letters, 168(2): 246-255.Exemplaires (1)
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Titre : Phenotypic trait variation and life strategy in Ranunculus reptans L. facing water level changes Type de document : Imprimé Auteurs : Alicja Robionek-Selosse Année de publication : 2021 Article en page(s) : 283-296 Langues : Anglais (eng) Catégories : [CBNPMP-Thématique] Eaux douces Mots-clés : Ranunculus reptans L Résumé : In defence against environmental constraints, plants respond by changing their morphology and/or physiology and this reaction can be a manifestation of a life strategy. Amphibious plants are good models to test for life strategies because they display plastic responses to aquatic and terrestrial conditions. In our study we investigated the architecture and phenotypic responses of the boreal plant Ranunculus reptans L. to water level changes by observing spontaneous aquatic populations during their flowering period and by conducting experimental transplantation. We interpret these data (1) in terms of adaptation to aquatic versus terrestrial conditions, and (2) as a manifestation of the life strategy. We document a radical change in R. reptans architecture and reproduction. Reduction of plant size, elongation of leaves and stolons, vegetative reproduction are characteristic of aquatic plants. Terrestrial plants are bigger, with wider lanceolate leaves and shorter stolons leading to higher density; they reproduce vegetatively and generatively. R. reptans appeared to follow the avoidance life strategy: (1) small growth form in aquatic conditions minimises the frontal area and diminishes the risk of uprooting; (2) elongated submerged leaves decrease hydraulic resistance and mechanical damages; (3) formation of individuals with multiple axes reduce the risk of uprooting by waves; (4) capacity to quickly reconfigure the architectural traits of aquatic and terrestrial plants adjusts them to changes in environmental conditions. Our findings thus suggest that R. reptans is phenotypically plastic and adjusts vegetatively to water level, essentially reflecting an avoidance strategy, while using complementarily terrestrial and aquatic conditions in its reproduction. Lien pérenne : DOI : 10.1080/23818107.2020.1860815 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=146885
in Botany letters > 168 (2) (2021) . - 283-296Robionek-Selosse, Alicja 2021 Phenotypic trait variation and life strategy in Ranunculus reptans L. facing water level changes. Botany letters, 168(2): 283-296.Exemplaires (1)
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