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Letteratura scientifica selezionata sul tema "Cultures – Rendements – Maladies"
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Articoli di riviste sul tema "Cultures – Rendements – Maladies"
de Bon, Hubert, Laure Brun-Diallo, Jean-Michel Sène, Serge Simon e Mamadou Abdoulaye Sow. "Rendements et pratiques des cultures maraîchères en agriculture biologique au Sénégal". Cahiers Agricultures 28 (2019): 2. http://dx.doi.org/10.1051/cagri/2019001.
Testo completoGARANE, Ali, Koussao SOME, Jeanne NiKIEMA, Mamoudou TRAORE e Mahamadou SAWADOGO. "Etude du comportement de neuf cultivars de tomates (Solanum Lycopersicum L.) dans différentes zones agro-écologiques du Burkina Faso pendant l’hivernage." Journal of Animal & Plant Sciences 40, n. 3 (28 giugno 2019): 6656–73. http://dx.doi.org/10.35759/janmplsci.v40-3.1.
Testo completoBernard, Ir SHABANI KASONGO. "L’INCIDENCE DES MALADIES ET DES RAVAGEURS SUR LA CULTURE DU CACAO (THEOBROMA CACAO) A KINDU, R.D.CONGO." IJRDO-Journal of Agriculture and Research (ISSN: 2455-7668) 9, n. 3 (6 marzo 2023): 1–7. http://dx.doi.org/10.53555/ar.v9i3.5610.
Testo completoKa, Modou, Mame Samba Mbaye, Ndongo Diouf, Samba Laha Ka, Mamadou Faye e Kandioura Noba. "Flore adventice du niébé (Vigna unguiculata [L] Walp.) dans la zone nord du bassin arachidier (Niakhène-Sénégal)". International Journal of Biological and Chemical Sciences 17, n. 2 (29 maggio 2023): 349–62. http://dx.doi.org/10.4314/ijbcs.v17i2.5.
Testo completoCoulibaly, Noupé Diakaria, Lassina Fondio, Mako François De Paul N’gbesso, Yannick Brindou, Christian Landry Ossey e André Gabazé Gadji. "Influence des substrats fibre de coco, coque d’arachide et compost de soja sur le comportement de deux variétés de tomates TMA97 et Lindo en culture hydroponique". International Journal of Biological and Chemical Sciences 15, n. 1 (21 aprile 2021): 200–211. http://dx.doi.org/10.4314/ijbcs.v15i1.17.
Testo completoBellarmin, WABENGA BASILWANGO. "APPORT DES TECHNIQUES CULTURALES DANS L’AMÉLIORATION DES PLANTES VIVRIÈRES SOUS L’APPROCHE ÉCOCLIMATIQUE ; CAS DE LA VARIÉTÉ PNAP DE POMME DE TERRE (SOLANUM TUBEROSUM L.) À GOMA AU KIVU". IJRDO-Journal of Agriculture and Research (ISSN: 2455-7668) 9, n. 4 (10 aprile 2023): 11–20. http://dx.doi.org/10.53555/ar.v9i4.5645.
Testo completoMouria, Btissam, Amina Ouazzani-Touhami e Allal Douira. "Effet de diverses souches du Trichoderma sur la croissance d'une culture de tomate en serre et leur aptitude à coloniser les racines et le substrat". Phytoprotection 88, n. 3 (25 settembre 2008): 103–10. http://dx.doi.org/10.7202/018955ar.
Testo completoChevalier-Gérard, C., JB Denis e JM Meynard. "Perte de rendement due aux maladies cryptogamiques sur blé tendre d'hiver. Construction et validation d'un modèle de l'effet du système de culture". Agronomie 14, n. 5 (1994): 305–18. http://dx.doi.org/10.1051/agro:19940504.
Testo completoAdifon, Fiacre Hermann, Ibouraïma Yabi, Pierre Vissoh, Ibouraïman Balogoun, Joseph Dossou e Aliou Saïdou. "Écologie, systèmes de culture et utilisations alimentaires des ignames en Afrique tropicale : synthèse bibliographique". Cahiers Agricultures 28 (2019): 22. http://dx.doi.org/10.1051/cagri/2019022.
Testo completoMinengu, Jean de Dieu, Aiko Ikonso Mwengi, Romain Kawanga, Simon Mwengi e Oscar Mangunda Yama. "Principales spéculations maraîchères cultivées dans les zones urbaines et périurbaines de la ville de Kinshasa (<i>Synthèse bibliographique</i>)". Revue Africaine d’Environnement et d’Agriculture 7, n. 2 (24 luglio 2024): 83–102. http://dx.doi.org/10.4314/rafea.v7i2.9.
Testo completoTesi sul tema "Cultures – Rendements – Maladies"
Bouhouch, Yassine. "Helminthosporiose chez l’orge : détection précoce, modélisation prédictive, deep learning et adaptation génomique de l'agent pathogène Pyrenophora teres". Electronic Thesis or Diss., Reims, 2024. http://www.theses.fr/2024REIMS030.
Testo completoThis project adopts an interdisciplinary approach to address the challenges posed by net blotch, a phytopathogenic disease caused by Pyrenophora teres, affecting barley (Hordeum vulgare L.) within the context of climate change. This disease is one of the most destructive, significantly reducing crop yields.In this work, a deep-learning model combining Cascade R-CNN and U-Net architectures was developed to quantify disease symptoms on barley leaves. The model achieved a 95% accuracy in lesion detection and demonstrated a particular effectiveness in identifying small, irregular lesions four days post-infection. This model was validated through classical measurements and PCR-based detection methods, providing a robust tool for automated disease management under real conditions.Additionally, a novel early detection method was developed based on k-mer analysis of P. teres genomes, leading to the design of primers and a TaqMan probe capable of detecting both P. teres f. sp. teres and P. teres f. sp. maculata before symptom onset. This detection before symptoms occurrence, validated through qPCR and ddPCR, is the first one in our knowledge. Thus, this approach represents a major breakthrough for net blotch management in barley and more largely for managing diseases in agricultural settings.In the context of climate change, projections revealed that annual mean temperature and precipitation during the coldest quarter are key factors influencing the future distribution of P. teres. Models predict a potential expansion of this pathogen to North America, Oceania, and Europe by 2040. Genomic analysis of hybrid strains showed an increased diversity of effectors and secondary metabolites, enhancing pathogen adaptabilityand virulence. Key effectors identified include Kex2, RCLR-like motifs, MoCDIP11, as well as ToxB, PIN_09941, MoCDIP8, and Nip1, highlighting the crucial role of genetic ecombination in the pathogenicity of hybrid strains.This study emphasizes the importance of integrating genomic tools, climate modeling, and biocontrol technologies to develop sustainable disease management strategies for phytopathogens in an evolving environment
Dutilloy, Emma. "Biocontrôle des maladies du blé et de l'orge à l'aide de bactéries bénéfiques". Electronic Thesis or Diss., Reims, 2023. http://www.theses.fr/2023REIMS070.
Testo completoWheat (Triticum aestivum L.) and barley (Hordeum vulgare L.) are among the main cereals cultivated worldwide due to their economic and social significance. However, their yield can drop by more than 40% when infected by the ascospore Zymoseptoria tritici, causing wheat septoria, and by Pyrenophora teres, which causes net blotch. Therefore, to reduce the use of pesticides, this project aimed to identify a strain that can significantly reduce the symptoms caused by these two pathogens. The strain Bacillus velezensis BE2 DSM115797 was chosen for its antifungal properties, both in vitro and in planta. An in-depth study of the mechanisms of action revealed that, when applied to the roots of wheat and barley, the bacterium significantly reduced leaf symptoms, inducing systemic resistance in the plant. Transcriptomic and metabolomic studies confirmed that the bacteria, once applied, did not trigger an immediate response in the plant. However, after a pathogenic infection, plants inoculated with the BE2 strain showed a more pronounced activation of their defense mechanisms, leading to a potentiating effect in the plant. At the bacterial level, a direct antagonism was also demonstrated with the identification of secondary metabolites that have antifungal effects on both fungi. Moreover, the production of these metabolites varied based on the presence of the pathogens
Valdès, Gomez Hector. "Relations entre états de croissance de la vigne et maladies cryptogamiques sous différentes modalités d’entretien du sol en région méditerranéenne". Montpellier, ENSA, 2007. http://www.theses.fr/2007ENSA0012.
Testo completo