Relevant bibliographies by topics / Plante oleagineuse

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Academic literature on the topic 'Plante oleagineuse'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Plante oleagineuse"

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Ntasiou, Panagiota, Alexandra Kaldeli Kerou, Theodora Karamanidou, Afrodite Vlachou, George T. Tziros, Alexander Tsouknidas, and George S. Karaoglanidis. "Synthesis and Characterization of Novel Copper Nanoparticles for the Control of Leaf Spot and Anthracnose Diseases of Olive." Nanomaterials 11, no. 7 (June 24, 2021): 1667. http://dx.doi.org/10.3390/nano11071667.

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Olive crop is frequently treated with copper fungicides to combat foliar and fruit diseases such as olive leaf spot caused by Fusicladium oleagineum and anthracnose caused by Colletotrichum spp. The replacement of copper-based products with more eco-friendly alternatives is a priority. Metal nanoparticles synthesized in several ways have recently revolutionized crop protection with applications against important crop pathogens. In this study, we present the development of four copper-based nanoparticles (CuNP Type 1 to 4) synthesized with a wet chemistry approach. The CuNPs were characterized using Transmission Electron Microscopy, Dynamic Light Scattering, Laser Doppler Electrophoresis, and Attenuated Total Reflection measurements. In addition, the activity of the four CuNP types was tested in vitro and in planta against F. oleagineum and Colletotrichum spp. In vitro sensitivity measurements showed that for both pathogens, mycelial growth was the most susceptible developmental stage to the tested compounds. Against both pathogens, CuNP Type 1 and Type 2 were found to be more active in reducing mycelial growth compared to the reference commercial compounds of copper oxide and copper hydroxide. In planta experiments showed that CuNP Type 3 and CuNP Type 4 exhibited a strong protectant activity against both F. oleagineum and Colletotrichum acutatum with control efficacy values significantly higher than those achieved by the applications of either reference product.
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Viruega, José R., Luis F. Roca, Juan Moral, and Antonio Trapero. "Factors Affecting Infection and Disease Development on Olive Leaves Inoculated with Fusicladium oleagineum." Plant Disease 95, no. 9 (September 2011): 1139–46. http://dx.doi.org/10.1094/pdis-02-11-0126.

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Infection and development of olive scab disease, caused by Fusicladium oleagineum, were evaluated on detached leaves and potted plants of the susceptible cultivar Picual in growth chambers and a shadehouse. An inoculum dose of 1 × 105 conidia per ml was selected from a range of densities tested, and it was used for all experiments. Infection occurred from 5 to 25°C, and disease severity was the greatest at ~20°C for wetness durations of 12 to 24 h and at ~15°C for longer durations. Based on a generalized form of the Analytis Beta model, the optimum temperature and minimum wetness duration for infection were 15.5°C and 11.9 h. Dry periods ≤78 h immediately after inoculation did not reduce disease incidence but did reduce disease severity. Disease severity was negatively correlated with leaf age. Disease incubation period was positively correlated with leaf age, with a minimum incubation period of 28 days in the youngest leaves. Inoculated plants that were incubated in a growth chamber or in a shadehouse had the same level of infection, but disease severity was lower in plants incubated in the growth chamber because many infections remained latent for 6 months after inoculation. The data in this study will be useful for the development of a forecasting system for olive scab epidemics.
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Marra, Roberta, Mariangela Coppola, Angela Pironti, Filomena Grasso, Nadia Lombardi, Giada d’Errico, Andrea Sicari, et al. "The Application of Trichoderma Strains or Metabolites Alters the Olive Leaf Metabolome and the Expression of Defense-Related Genes." Journal of Fungi 6, no. 4 (December 16, 2020): 369. http://dx.doi.org/10.3390/jof6040369.

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Biocontrol fungal strains of the genus Trichoderma can antagonize numerous plant pathogens and promote plant growth using different mechanisms of action, including the production of secondary metabolites (SMs). In this work we analyzed the effects of repeated applications of selected Trichoderma strains or SMs on young olive trees on the stimulation of plant growth and on the development of olive leaf spot disease caused by Fusicladium oleagineum. In addition, metabolomic analyses and gene expression profiles of olive leaves were carried out by LC–MS Q-TOF and real-time RT-PCR, respectively. A total of 104 phenolic compounds were detected from olive leave extracts and 20 were putatively identified. Targeted and untargeted approaches revealed significant differences in both the number and type of phenolic compounds accumulated in olive leaves after Trichoderma applications, as compared to water-treated plants. Different secoiridoids were less abundant in treated plants than in controls, while the accumulation of flavonoids (including luteolin and apigenin derivatives) increased following the application of specific Trichoderma strain. The induction of defense-related genes, and of genes involved in the synthesis of the secoiridoid oleuropein, was also analyzed and revealed a significant variation of gene expression according to the strain or metabolite applied.
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Rhouma, A., M. Chettaoui, S. Krid, H. Elbsir, M. Msallem, and M. A. Triki. "Evaluation of susceptibility of an olive progeny (Picholine x Meski) to olive leaf spot disease caused by Fusicladium oleagineum." European Journal of Plant Pathology 135, no. 1 (September 29, 2012): 23–33. http://dx.doi.org/10.1007/s10658-012-0062-x.

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5

Sanda, K., and K. Kpegba. "Etude chimique de quelques plantes oleagineuses non conventionnelles de la flore du Togo." Journal de la Recherche Scientifique de l'Universite de Lome 1, no. 1 (November 11, 2009). http://dx.doi.org/10.4314/jrsul.v1i1.47713.

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Dissertations / Theses on the topic "Plante oleagineuse"

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Centis, Sonia. "Transfert de fragments de genes d'un caulimovirus dans le colza (brassica napus l. ) : obtention de plantes transgeniques." Toulouse 3, 1988. http://www.theses.fr/1988TOU30198.

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Le virus de la mosaique du chou-fleur, representant modele des caulimovirus, comprend une molecule circulaire d'adn double brin d'organisation genetique connue. Des fragments de l'adn viral ont ete introduits dans le genome du colza, grace au vecteur naturel de transformation agrobacterium rhizogenes, afin de faire produire par la cellule vegetale un arn antisens permettant d'interferer avec l'expression d'un gene essentiel dans le cycle vital du virus. Des plantes transgeniques ont ete regenerees a partir des racines transformees
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Serror, Pascale. "Etude de la variabilite de l'adn chloroplastique dans le genre helianthus : recherche de marqueurs de cytoplasmes." Clermont-Ferrand 2, 1988. http://www.theses.fr/1988CLF21132.

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Akkif, Mohamed. "Contribution a l'etude des racines de secheresse du colza (brassica napus var. Oleifera metzg. ) : aspects cytophysiologiques et metaboliques." Nantes, 1987. http://www.theses.fr/1987NANT2010.

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Apres avoir montre que les racines de secheresse sont mises en place de facon endogene par une reactivation meristematique du pericycle, leur devenir cytophysiologique est suivi au cours de la phase de deshydratation. L'aptitude des racines courtes a reprendre le metabolisme des acides nucleiques et des proteines lors de la levee de la contrainte hydrique est examinee par marquage isotopique
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Couderchet, Michel. "Essai de quantification de la réponse à l'application de différents stress à partir d'une étude sur la chronosensibilité au froid chez le soja (glycine max [L. ] Merr. )." Besançon, 1988. http://www.theses.fr/1988BESA2025.

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Des plants sont exposes a une temperature de -10**(o)c pendant 4 minutes, a differents moments du nyethemere. La resistance au froid est maximale en find e photophase. On etudie les variations des teneurs en eau, en potassium et en chlorophylle, cette derniere methode pouvant etre utilisee pour quantifier la reponse a d'autres stress (ablations, herbicides) de facon non destructive. L'effet de substances de croissance sur la senescence des cotyledons semble impliquer une relation source puits a l'origine du mecanisme sous-jacent
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LIU, GONG-SHE. "Ontogenese, genetique et approche physiologique du caractere isomature chez le tournesol (helianthus annuus l. )." Clermont-Ferrand 2, 1986. http://www.theses.fr/1986CLF21028.

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Le nouveau genotype wjr::(1629) de tournesol (helianthus annuus l. , seconde plante oleagineuse du monde) est remarquable par son caractere isomature : il possede deux ou plusieurs capitules symetriques qui fleurissent et murissent simultanement. Son interet sur le plan agronomique est prometteur. Il est mis en evidence que la realisation du caractere isomature est sous la dependance de un a trois genes dominants et d'un effet maternel. Ce resultat impliquera necessairement, dans le futur, l'utilisation d'un parent femelle isomature pour le creation d'hybrides commerciaux
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Books on the topic "Plante oleagineuse"

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Séminaire sur la culture et la transformation des oleagineuses au Rwanda (1989 Kigali, Rwanda). Séminaire sur la culture et la transformation des oleagineuses au Rwanda. [Kigali]: TECHNOSERVE-Rwanda, 1989.

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