questionsmedicales.fr
Eucaryotes
Straménopiles
Oomycetes
Phytophthora
Phytophthora : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Phytophthora
Diagnostic médical
Symptômes
Maladies des plantes
Maladies fongiques
Diagnostic différentiel
Symptômes
5
Pourriture des racines
Phytopathologie
Fruits
Maladies des plantes
Espèces végétales
Phytopathologie
Prévention
5
Prévention
Gestion des maladies
Variétés résistantes
Sélection végétale
Contamination du sol
Désinfection
Pratiques culturales
Gestion des maladies
Traitements
5
Fongicides
Traitement des maladies
Efficacité des médicaments
Phytophthora
Santé des plantes
Gestion des maladies
Méthodes biologiques
Biocontrôle
Rotation des cultures
Gestion des maladies
Complications
5
Complications
Économie agricole
Environnement
Biodiversité
Pertes économiques
Agriculture
Gestion intégrée
Agriculture durable
Facteurs de risque
5
Facteurs de risque
Phytopathologie
Conditions climatiques
Épidémiologie
Sols argileux
Phytopathologie
Agriculture intensive
Vulnérabilité des cultures
Variétés sensibles
Phytopathologie
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"@type": "Question",
"name": "Quels tests de laboratoire sont utilisés ?",
"position": 2,
"acceptedAnswer": {
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"text": "Des cultures fongiques et des tests PCR peuvent être réalisés pour identifier Phytophthora."
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{
"@type": "Question",
"name": "Quels symptômes indiquent une infection ?",
"position": 3,
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"@type": "Question",
"name": "Peut-on confondre Phytophthora avec d'autres champignons ?",
"position": 4,
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"@type": "Question",
"name": "Quels sont les symptômes courants de Phytophthora ?",
"position": 6,
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"name": "Comment se manifeste la pourriture des racines ?",
"position": 7,
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"name": "Les fruits peuvent-ils être affectés ?",
"position": 8,
"acceptedAnswer": {
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"text": "Oui, les fruits peuvent montrer des taches et une décomposition, surtout en conditions humides."
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"@type": "Question",
"name": "Les symptômes varient-ils selon les plantes ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes peuvent varier selon l'espèce de plante hôte et les conditions environnementales."
}
},
{
"@type": "Question",
"name": "Y a-t-il des signes visibles sur le sol ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des zones de sol détrempé et des débris végétaux en décomposition peuvent être des signes."
}
},
{
"@type": "Question",
"name": "Comment prévenir les infections par Phytophthora ?",
"position": 11,
"acceptedAnswer": {
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"text": "La prévention inclut une bonne gestion de l'eau, des pratiques culturales et des variétés résistantes."
}
},
{
"@type": "Question",
"name": "Quel rôle joue le drainage dans la prévention ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un bon drainage réduit l'humidité du sol, limitant ainsi la prolifération de Phytophthora."
}
},
{
"@type": "Question",
"name": "Les variétés de plantes résistantes existent-elles ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines variétés de plantes sont développées pour être résistantes à Phytophthora."
}
},
{
"@type": "Question",
"name": "Comment éviter la contamination du sol ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éviter l'utilisation d'outils contaminés et pratiquer la désinfection du sol peut aider."
}
},
{
"@type": "Question",
"name": "Les pratiques culturales peuvent-elles aider ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des pratiques comme l'espacement des plantes et la gestion des résidus peuvent réduire les risques."
}
},
{
"@type": "Question",
"name": "Quels traitements sont efficaces contre Phytophthora ?",
"position": 16,
"acceptedAnswer": {
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"text": "Les traitements incluent des fongicides spécifiques et des pratiques culturales adaptées."
}
},
{
"@type": "Question",
"name": "Les fongicides sont-ils toujours efficaces ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'efficacité des fongicides peut varier selon la souche de Phytophthora et les conditions d'application."
}
},
{
"@type": "Question",
"name": "Comment améliorer la santé des plantes infectées ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Améliorer le drainage et réduire l'humidité peut aider à restaurer la santé des plantes."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser des méthodes biologiques ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des agents biologiques comme des champignons antagonistes peuvent être utilisés."
}
},
{
"@type": "Question",
"name": "Quel est le rôle de la rotation des cultures ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "La rotation des cultures aide à réduire l'accumulation de Phytophthora dans le sol."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec Phytophthora ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent la perte de rendement, la dégradation des cultures et des pertes économiques."
}
},
{
"@type": "Question",
"name": "Phytophthora peut-elle affecter plusieurs cultures ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, Phytophthora peut infecter une large gamme de cultures, y compris les légumes et les fruits."
}
},
{
"@type": "Question",
"name": "Y a-t-il des impacts environnementaux ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les infections peuvent perturber les écosystèmes locaux et réduire la biodiversité."
}
},
{
"@type": "Question",
"name": "Les pertes économiques sont-elles significatives ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les pertes économiques dues à Phytophthora peuvent être considérables pour les agriculteurs."
}
},
{
"@type": "Question",
"name": "Comment les agriculteurs peuvent-ils faire face aux complications ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les agriculteurs peuvent adopter des stratégies de gestion intégrée pour minimiser les impacts."
}
},
{
"@type": "Question",
"name": "Quels sont les principaux facteurs de risque ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'humidité élevée, le sol mal drainé et les pratiques culturales inadéquates."
}
},
{
"@type": "Question",
"name": "Les conditions climatiques influencent-elles l'infection ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des conditions climatiques humides favorisent la propagation de Phytophthora."
}
},
{
"@type": "Question",
"name": "Les sols argileux sont-ils plus à risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les sols argileux retiennent plus d'eau, augmentant le risque d'infection par Phytophthora."
}
},
{
"@type": "Question",
"name": "Les pratiques agricoles intensives augmentent-elles le risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les pratiques agricoles intensives peuvent accroître la vulnérabilité des cultures à Phytophthora."
}
},
{
"@type": "Question",
"name": "Les variétés sensibles sont-elles un facteur de risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la culture de variétés sensibles augmente le risque d'infection par Phytophthora."
}
}
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}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 12/02/2025
Contenu vérifié selon les dernières recommandations médicales
5 publications dans cette catégorie
Affiliations :
Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253, Bragança, Portugal. albracho@ipb.pt.
Publications dans "Phytophthora" :
4 publications dans cette catégorie
Affiliations :
Crop Production and Pest Control Research Unit, Agricultural Research Service, USDA, and College of Agriculture, Purdue University, West Lafayette, Indiana, United States of America.
Publications dans "Phytophthora" :
4 publications dans cette catégorie
Affiliations :
Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253, Bragança, Portugal.
Publications dans "Phytophthora" :
4 publications dans cette catégorie
Affiliations :
School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China.
Publications dans "Phytophthora" :
3 publications dans cette catégorie
Affiliations :
Cell and Molecular Sciences, James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK.
Publications dans "Phytophthora" :
3 publications dans cette catégorie
Affiliations :
Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China.
The Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, Jiangsu, 210095, China.
Publications dans "Phytophthora" :
3 publications dans cette catégorie
Affiliations :
Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China.
The Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, Jiangsu, 210095, China.
Publications dans "Phytophthora" :
3 publications dans cette catégorie
Affiliations :
Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China.
The Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, Jiangsu, 210095, China.
Publications dans "Phytophthora" :
3 publications dans cette catégorie
Affiliations :
School of Bioengineering, Dalian University of Technology, Dalian 116024, China.
Publications dans "Phytophthora" :
3 publications dans cette catégorie
Affiliations :
School of Bioengineering, Dalian University of Technology, Dalian 116024, China. Electronic address: ysluan@dlut.edu.cn.
Publications dans "Phytophthora" :
3 publications dans cette catégorie
Affiliations :
State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling 712100, China.
Publications dans "Phytophthora" :
3 publications dans cette catégorie
Affiliations :
China Agricultural University, Beijing 100193, China; State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling 712100, China. Electronic address: seedling@cau.edu.cn.
Publications dans "Phytophthora" :
3 publications dans cette catégorie
Affiliations :
School of Bioengineering, Dalian University of Technology, Dalian, 116024, China.
Publications dans "Phytophthora" :
2 publications dans cette catégorie
Affiliations :
Department of Plant Breeding, Swedish University of Agricultural Sciences, Lomma, SE-234 22, Sweden.
Publications dans "Phytophthora" :
2 publications dans cette catégorie
Affiliations :
Gannan Academy of Sciences, 557367, Ganzhou, Jiangxi, China; 1373583449@qq.com.
Publications dans "Phytophthora" :
2 publications dans cette catégorie
Affiliations :
Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Campus Soane Nazaré de Andrade, Rodovia Jorge Amado, km 16, 45662-900, Ilhéus, BA, Brazil.
Publications dans "Phytophthora" :
2 publications dans cette catégorie
Affiliations :
Departamento de Ciências Agrárias, Universidade Federal do Recôncavo da Bahia, Cruz das Almas, Bahia 44380-000, Brazil.
Publications dans "Phytophthora" :
2 publications dans cette catégorie
Affiliations :
Consiglio Nazionale delle Ricerche, Institute of Biophysics, Via S. Lorenzo, I-56100 Pisa, Italy.
Publications dans "Phytophthora" :
2 publications dans cette catégorie
Affiliations :
Embrapa Mandioca e Fruticultura. Cruz das Almas, Bahia 44380-000, Brazil.
Publications dans "Phytophthora" :
2 publications dans cette catégorie
Affiliations :
Embrapa Mandioca e Fruticultura. Cruz das Almas, Bahia 44380-000, Brazil; and Corresponding author. Email: abelmon.gesteira@embrapa.br.
Publications dans "Phytophthora" :
Perceptual learning is the improvement of perceptual performance after repeated practice on a perceptual task. Studies on perceptual learning in color vision are limited. In this study, we measured th...
Hering's Opponent-Colors Theory has been central to understanding color appearance for 150 years. It aims to explain the phenomenology of colors with two linked propositions. First, a psychological hy...
To evaluate gingiva-colored resin-based composites' (GCRBC) color stability and degree of conversion (DC%)....
Eight discs (8 × 1 mm) of 20 shades of GCRBC were prepared. Color coordinates were measured against a gray background with a calibrated spectroradiometer, CIE D65 illuminant and the CIE 45°/0° geometr...
DC% and color stability correlated with each other and with the GCRBC brand. DC% ranged between 43% and 96%, highest values correspond to flowable composites. All composites have experienced color cha...
The DC% of GCRBCs is sufficient to achieve adequate biocompatibility and physicomechanical properties, but the high susceptibility to staining could compromise aesthetic long-term results....
The degree of conversion and the color stability of gingiva-colored resin-based composites correlated with each other. All composites have experienced color changes after immersion in water, wine and ...
This study evaluated the background and effect of surrounding colors on the color blending of a single-shade composite used in a thin layer. Disc-shaped specimens (1.0 mm thickness) were built with th...
With the continuous development and progress of image sensing technology in recent years, the problem of image data acquisition, recovery, and recording has been solved, and people have gradually real...
Thermochromic microspheres based on poly(N-isopropylacrylamide) attract much attention in detection and sensor due to the noticeable color response and fast response rate. However, some issues such as...
Although skin color has been suggested to be associated with the risk of some chronic disease, there has been no validated visual skin-color scale, with which subjects can self-report their skin color...
Study participants were 99 university Japanese students aged 19-29. We developed a skin color evaluation scale consisting of six colors from light to dark. Participants were asked to choose one color ...
Spearman's rank correlation coefficients of self-reported color with the melanin index after adjusted for age, temperature, and humidity were moderate but significant at both sites for both men and wo...
The validity of the skin color chart was moderate of melanin among Japanese people. It may be useful for large population studies examining the relationships between skin color and health outcomes....
The color-matching ability of single-shade composites Omnichroma (OMN) and Omnichroma Flow (OCF) is ensured by structural color, which arises from monodisperse 260 nm spherical fillers. This study eva...
The color of monolithic zirconia restorations is obtained by presintering or postsintering coloring techniques. However, studies on the differences in surface characteristics and their influence on co...
The purpose of this in vitro study was to evaluate the influence of shading and staining techniques for a zirconia ceramic on the surface characteristics and colorimetric parameters (color difference,...
Ceramic disks (N=30; Ø10×1mm) were allocated into 3 groups: preshaded-shaded by the manufacturer (IPS e.max ZirCAD MT, shade A2); manually shaded-unshaded zirconia (IPS e.max ZirCAD MT, bleaching shad...
The shaded groups found an irregular ceramic surface with uniformly sized zirconia crystals. The stained group found a glass-covered smoother surface. Significant alterations in color parameters (∆E...
The coloring technique influences the surface characteristics of zirconia ceramic and also the color parameters after exposure to colored beverages and polishing....
A procedure is presented and discussed that highlights the use of the Nix Pro Color Sensor ("Nix") in digitizing soil colors with applications for forested wetland soils. Informed by our soil color in...