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Academic literature on the topic 'Feuilles de plante – croissance et développement'
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Journal articles on the topic "Feuilles de plante – croissance et développement"
Bationo, Babou André, Niéyidouba Lamien, Nicole Demers, and Serigne Kandji. "Culture du baobab Adansonia digitata L. (Bombacaceae) en planche maraîchère : une méthode pour simplifier sa récolte et favoriser sa propagation au Sahel." BOIS & FORETS DES TROPIQUES 299, no. 299 (March 1, 2009): 79. http://dx.doi.org/10.19182/bft2009.299.a20426.
Full textBroquedis, Michel, Tayeb Koussa, and Jacques Bouard. "Mise en évidence de l'interconversion de l'acide abscissique et de l'abscissate de β-D-glucopyranose dans des feuilles de Vitis vinifera L. au cours de leur développement." OENO One 22, no. 4 (December 31, 1988): 295. http://dx.doi.org/10.20870/oeno-one.1988.22.4.1264.
Full textMontagnini, Florencia, Beatriz Eibl, and Sara R. Barth. "Yerba maté biologique : un système agroforestier en phase avec l'environnement et l'économie sociale et financière." BOIS & FORETS DES TROPIQUES 308, no. 308 (June 1, 2011): 59. http://dx.doi.org/10.19182/bft2011.308.a20475.
Full textAissi, Abdeldjalil, Yassine Beghami, and Myriam Heuertz. "Le chêne faginé (Quercus faginea, Fagaceae) en Algérie : potentiel germinatif et variabilité morphologique des glands et des semis." Plant Ecology and Evolution 152, no. 3 (November 28, 2019): 437–49. http://dx.doi.org/10.5091/plecevo.2019.1553.
Full textBoureima, Seyni, and Laouali Ibrahim Mahaman. "Effets de la déficience en phosphore du sol sur la croissance et le développement du sésame (Sesamum indicum L.)." International Journal of Biological and Chemical Sciences 14, no. 3 (June 19, 2020): 1014–24. http://dx.doi.org/10.4314/ijbcs.v14i3.28.
Full textOuattara, A., A. Touré, K. J. Golly, G. M. Ahon, A. Coulibaly, and K. Ouattara. "Activité antibactérienne d’un extrait hydroalcoolique des feuilles de Carapa procera (Méliacée) sur Staphylococcus aureus et Shigella sp." Phytothérapie 19, no. 2 (March 16, 2021): 64–68. http://dx.doi.org/10.3166/phyto-2018-0104.
Full textLamy Lamy, Georges Maxime. "Étude ethnobotanique et variabilité morphologique de Syzygium guineense var. macrocarpum dans les hautes savanes guinéennes de l’Adamaoua (Cameroun)." BOIS & FORETS DES TROPIQUES 343 (March 31, 2020): 83–84. http://dx.doi.org/10.19182/bft2020.343.a31852.
Full textBen Abdallah, Ferjani, Nada Elloumi, Imed Mezghani, Makki Boukhris, and Jean Pierre Garrec. "Réponses d’une vigne locale à une pollution fluorée." Canadian Journal of Botany 84, no. 3 (March 2006): 393–99. http://dx.doi.org/10.1139/b06-010.
Full textAgban, Amégninou, Yao Hoekou, Passimna Pissang, Tchadjobo Tchacondo, and Komlan Batawila. "Evaluation du potentiel antimicrobien et de la toxicité des extraits de Jatropha multifida Linn, (Euphorbiaceae)." Journal of Applied Biosciences 151 (July 31, 2020): 15550–58. http://dx.doi.org/10.35759/jabs.151.4.
Full textBeauchamp, C. J. "Mode d’action des rhizobactéries favorisant la croissance des plantes et potentiel de leur utilisation comme agent de lutte biologique." Phytoprotection 74, no. 1 (April 12, 2005): 19–27. http://dx.doi.org/10.7202/706033ar.
Full textDissertations / Theses on the topic "Feuilles de plante – croissance et développement"
Masson, Florence. "Hétérogénéité structurale et fonctionnelle de la membrane plasmique de feuilles de tabac (Nicotiana tabaccum c. V. Xanthi)." Montpellier 2, 1994. http://www.theses.fr/1994MON20060.
Full textDervaux, Julien. "Morphogénèse et élasticité en géométrie mince." Phd thesis, Université Paris-Diderot - Paris VII, 2010. http://tel.archives-ouvertes.fr/tel-00544143.
Full textMathieu, Amélie. "Essai sur la modélisation des interactions entre la croissance et le développement d'une plante- Cas du modèle GreenLab." Phd thesis, Ecole Centrale Paris, 2006. http://tel.archives-ouvertes.fr/tel-00124839.
Full textLES TRAVAUX DE CETTE THESE VISENT A AMELIORER LA MODELISATION DE LA CROISSANCE EN INTEGRANT LES INTERACTIONS ENTRE LA CROISSANCE ET LE DEVELOPPEMENT. EN FONCTION DES CONDITIONS EXTERIEURES, LA PLANTE PRODUIT PLUS OU MOINS DE MATIERE, CE QUI A UNE INFLUENCE NON SEULEMENT SUR LE VOLUME DE SES ORGANES, MAIS AUSSI SUR LEUR NOMBRE (FEUILLES, FRUITS), SUR LA RAMIFICATION ET SUR LES CARACTERISTIQUES FONCTIONNELLES DE CERTAINS ORGANES. LA PRISE EN COMPTE DE CES PHENOMENES PERMET DE REPRESENTER LES DIFFERENTES PHASES DE CROISSANCE D'UN ARBRE OU LES CAPACITES D'ADAPTATION D'UNE PLANTE DANS SON ENVIRONNEMENT, CELA GRACE A L'EVOLUTION DYNAMIQUE DU RAPPORT DE L'OFFFRE SUR LA DEMANDE, VARIABLE DE CONTROLE DES DIFFERENTS EVENEMENTS DUS AUX INTERACTIONS ENTRE LA CROISSANCE ET LE DEVELOPPEMENT.
LA CROISSANCE DE LA PLANTE EST MODELISEE DE MANIERE DISCRETE. L'ECRITUTE DU SYSTEME DYNAMIQUE DISCRET CORRESPONDANT A L'AIDE D'UN FORMALISME ADAPTE PERMET DE MENER DES ETUDES DE COMPORTEMENT DU MODELE, ET DE TESTER LA SENSIBILITE AUX PARAMETRES.
CE MODELE CONCEPTUEL DE CROISSANCE DE PLANTES PEUT ETRE APPLIQUEE A DIFFERENTES PLANTES REELLES EN CHERCHANT DES JEUX DE PARAMETRES D'ENTREE DU MODELE PERMETTANT DE REPRODUIRE AU MIEUX LA CROISSANCE DE CES PLANTES.S
Rostand-Mathieu, Amélie. "Essai sur la modélisation des interactions entre la croissance et le développement d'une plante cas du modèle Greenlab." Châtenay-Malabry, Ecole centrale de Paris, 2006. http://www.theses.fr/2006ECAP1018.
Full textBased on AMAP model, GreenLab is a plant growth model combining both architecture and functioning. Some improvements in the plant growth modeling are presented here, by integrating interactions between organogenesis and photosynthesis. According the environmental conditions, plant produces more or less biomass, which modifies not only organs volumes but also their numbers (size of the branching system, number of fruits). Taking these phenomena into account allow to represent different phasis of plant growth or plant plasticity in its environment thanks to one variable, the ratio of biomass divided by demand. The latter has been chosen as a factor controlling different events in the plant growth
Silvestre, Jérôme. "Étude des conséquences de l'asphyxie racinaire sur la croissance et le développement du colza d'hiver." Toulouse, INPT, 1992. http://www.theses.fr/1992INPT033A.
Full textAubry, Emilia. "Rôle des transporteurs SWEET dans le développement du système vasculaire d'Arabidopsis thaliana, la croissance et l'adaptation de la plante à son environnement." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS583.
Full textArabidopsis thaliana’s floral stem is composed of axillary stems, cauline leaves, flowers and siliques and represents 60% of the plant biomass, thanks to the secondary cell wall in the xylem conductive cells. During the secondary cell wall formation, an important amount of sugars is needed. However, the mechanisms by which sugars are transported to their site of use are far from being understood. Previous work suggested that SWEET11 and SWEET12, members of the SWEET family (Sugar Will Eventually Be Exported Transporters) could achieve this task. Moreover, SWEET16 and SWEET17 that are tonoplastic transporters located in the xylem cells could also be good candidates. To further understand the role of the SWEET in the development, the growth and the physiology of the plant, I analyzed simple, double, triple and quadruple mutant lines of SWEET11, SWEET12, SWEET16 and/or SWEET17. First, their expression patterns were mapped spatially and temporally. Furthermore, using growth parameters kinetics and metabolomics approach, our results suggest that SWEET11 and SWEET12 play a key role in the C/N balance especially around the floral stem emergence and by enhancing the nitrogen remobilization to the seeds. Moreover, analysis of their expression pattern, a segmentation-based approach and vibrational spectroscopy analysis of the mutant lines allow to suggest that SWEETs transporters play a key role in vessel and/or fiber development. Indeed, SWEET16 might act during cell division and cell enlargement whereas SWEET17 has been shown to act on the secondary cell wall formation and reinforcement. Finally, the behavior of the mutant lines was assessed under different abiotic stress conditions (drought, cold and freezing temperatures) by using metabolomic analysis or histological studies. Our results show that even if the mutant lines are more tolerant to freezing and cold stress, they are not more resistant to drought. Overall, this work suggests specific and complementary roles of these SWEETs during plant growth, development and physiology. It highlights also the importance of the sugar transport between vacuole and cytosol role during cell elongation and the importance of neighboring living cells during the cell wall reinforcement
Pallas, Benoît. "Modélisation dynamique des interactions plante-environnement : application à l'étude des interactions entre les relations sources-puits et les processus de développement chez la vigne." Phd thesis, Ecole Centrale Paris, 2009. http://tel.archives-ouvertes.fr/tel-00448756.
Full textRey, Hervé. "Utilisation de la modélisation 3D pour l'analyse et la simulation du développement et de la croissance végétative d'une plante de tournesol en conditions environnementales fluctuantes (température et rayonnement)." Montpellier, ENSA, 2003. http://www.theses.fr/2003ENSA0023.
Full textIn order to analyze and to model effect of tempe rature and light on leaf area expansion of sunflower plants, numerical 3D plants are constructed using AMAPsim software. These plants are used to estimate evolution of radiative balance of the culture (MlR-MUSC-RADBAL) in several experimental conditions. Plant architecture edification and evolution of radiation absorption (which cannat be experimentally observed) are analyzed at organ, plant and stand levels. Absorbed radiation by plant is used to model variability of leaf expansion rates and development durations and to simulate leaf expansion in changing tempe rature and light conditions. This model demonstrates the importance of coordination phenomena between reduction in expansion rates and lengthening in expansion durations for low incident radiation
Abdul, Hafez Abdul Monim. "Mise en place des pectines dans les parois de lin et modifications de leur structure au cours des premiers stades de développement de la plante." Rouen, 1991. http://www.theses.fr/1991ROUES015.
Full textDelaire, Mickaël. "Variations de la capacité d'absorption minérale par les racines du jeune Acer pseudoplatanus, L. (Acéracées) consécutives à l'histoire nutritionnelle récente et ancienne de la plante : Application à la culture hors sol des végétaux ligneux." Angers, 2005. http://www.theses.fr/2005ANGE0015.
Full text“Is it necessary to fertilize continuously ornamentals woody plants leading in containers or can we achieve the same plant with fractional mineral supply?” This assumes that roots could develop a short term capacitive functioning. This hypothesis was tested in young Acer pseudoplatanus. After its botanical description, its development and root mineral uptake were studied. NO3 and K are the main elements absorbed. Their both uptakes are strongly coupled but differently following the seasons. In absence of aerial system, roots can absorb nitrate with strong variations following the old and recent nutritional story of plant. The hypothesis was finally tested with an agronomic approach. The results show that a weekly fertilizer supply does not induce any change in aerial development compared to a daily supply if the cumulated fertilizer quantities supplied each week are preserved. The integration at the whole plant scale of the short term roots capacitive functioning is discussed