questionsmedicales.fr
Phénomènes biologiques
Allélopathie
Allélopathie : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Exsudats
Culture in vitro
Croissance des plantes
Phytotoxicité
Maladies des plantes
Carences nutritionnelles
Symptômes
5
Flétrissement
Phytotoxicité
Espèces végétales
Interactions écologiques
Récupération
Conditions environnementales
Dommages aux plantes
Exposition
Prévention
5
Sélection des plantes
Gestion des sols
Espacement des plantes
Interactions végétales
Pratiques culturales
Gestion des cultures
Surveillance des plantes
Détection précoce
Conditions climatiques
Écologie
Traitements
5
Conditions de croissance
Variétés résistantes
Amendements du sol
Santé du sol
Plantes compagnes
Interactions végétales
Traitements chimiques
Phytoprotection
Rotation des cultures
Gestion des sols
Complications
5
Rendements agricoles
Biodiversité
Santé du sol
Communautés microbiennes
Impacts économiques
Rendements
Plantes envahissantes
Espèces natives
Écosystèmes
Interactions écologiques
Facteurs de risque
5
Densité de plantation
Espèces végétales
Type de sol
Propriétés du sol
Conditions climatiques
Stress environnemental
Pratiques agricoles
Gestion des cultures
Interactions entre espèces
Écologie
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"name": "Diagnostic",
"headline": "Diagnostic sur Allélopathie",
"description": "Comment identifier l'allélopathie chez les plantes ?\nQuels tests peuvent confirmer l'allélopathie ?\nQuels signes indiquent une interaction allélopathique ?\nL'allélopathie peut-elle être confondue avec d'autres maladies ?\nQuels facteurs environnementaux influencent le diagnostic ?",
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"@type": "Question",
"name": "Comment identifier l'allélopathie chez les plantes ?",
"position": 1,
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"text": "L'allélopathie se diagnostique par l'observation de la croissance des plantes et des tests de bioassay."
}
},
{
"@type": "Question",
"name": "Quels tests peuvent confirmer l'allélopathie ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests de culture en milieu contrôlé et des analyses chimiques des exsudats racinaires peuvent confirmer."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une interaction allélopathique ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des signes incluent un retard de croissance, une décoloration des feuilles et une mortalité accrue."
}
},
{
"@type": "Question",
"name": "L'allélopathie peut-elle être confondue avec d'autres maladies ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut être confondue avec des maladies fongiques ou des carences nutritionnelles."
}
},
{
"@type": "Question",
"name": "Quels facteurs environnementaux influencent le diagnostic ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'humidité, le type de sol et la densité de plantation peuvent influencer les résultats du diagnostic."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent une allélopathie ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent un flétrissement, une croissance réduite et des feuilles jaunies."
}
},
{
"@type": "Question",
"name": "Les symptômes varient-ils selon les espèces ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes d'allélopathie peuvent varier selon les espèces de plantes impliquées."
}
},
{
"@type": "Question",
"name": "Comment l'allélopathie affecte-t-elle la biodiversité ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut réduire la biodiversité en inhibant la croissance d'espèces sensibles dans un écosystème."
}
},
{
"@type": "Question",
"name": "Les symptômes sont-ils réversibles ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Dans certains cas, les symptômes peuvent être réversibles si les conditions s'améliorent."
}
},
{
"@type": "Question",
"name": "L'allélopathie peut-elle causer des dommages permanents ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des dommages permanents peuvent survenir si l'exposition à des substances allélopathiques est prolongée."
}
},
{
"@type": "Question",
"name": "Comment prévenir l'allélopathie dans les cultures ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "La prévention inclut la sélection de variétés de plantes compatibles et la gestion des sols."
}
},
{
"@type": "Question",
"name": "L'espacement des plantes est-il important ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un espacement adéquat peut réduire les interactions allélopathiques entre les plantes."
}
},
{
"@type": "Question",
"name": "Les pratiques culturales peuvent-elles aider ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des pratiques culturales appropriées peuvent minimiser les effets de l'allélopathie."
}
},
{
"@type": "Question",
"name": "Faut-il surveiller les plantes voisines ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, surveiller les plantes voisines peut aider à détecter les signes d'allélopathie tôt."
}
},
{
"@type": "Question",
"name": "Les conditions climatiques influencent-elles l'allélopathie ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les conditions climatiques comme l'humidité et la température peuvent influencer l'allélopathie."
}
},
{
"@type": "Question",
"name": "Comment traiter les effets de l'allélopathie ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement inclut l'amélioration des conditions de croissance et l'utilisation de variétés résistantes."
}
},
{
"@type": "Question",
"name": "Les amendements du sol aident-ils ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les amendements organiques peuvent améliorer la santé du sol et réduire les effets allélopathiques."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser des plantes compagnes pour contrer l'allélopathie ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines plantes compagnes peuvent atténuer les effets négatifs de l'allélopathie."
}
},
{
"@type": "Question",
"name": "Les traitements chimiques sont-ils efficaces ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des traitements chimiques peuvent être utilisés, mais ils doivent être appliqués avec précaution."
}
},
{
"@type": "Question",
"name": "Comment la rotation des cultures aide-t-elle ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "La rotation des cultures peut réduire l'accumulation de substances allélopathiques dans le sol."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent résulter de l'allélopathie ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent la réduction des rendements agricoles et la perte de biodiversité."
}
},
{
"@type": "Question",
"name": "L'allélopathie peut-elle affecter la santé du sol ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'allélopathie peut dégrader la santé du sol en perturbant les communautés microbiennes."
}
},
{
"@type": "Question",
"name": "Y a-t-il des impacts économiques liés à l'allélopathie ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'allélopathie peut entraîner des pertes économiques dues à des rendements réduits."
}
},
{
"@type": "Question",
"name": "Les plantes envahissantes exacerbent-elles l'allélopathie ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les plantes envahissantes peuvent intensifier les effets allélopathiques sur les espèces natives."
}
},
{
"@type": "Question",
"name": "Comment l'allélopathie affecte-t-elle les écosystèmes ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut perturber les écosystèmes en modifiant les interactions entre les espèces végétales."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque d'allélopathie ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent la densité de plantation élevée et la présence de certaines espèces végétales."
}
},
{
"@type": "Question",
"name": "Le type de sol influence-t-il l'allélopathie ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains types de sol peuvent favoriser l'expression des effets allélopathiques."
}
},
{
"@type": "Question",
"name": "Les conditions climatiques jouent-elles un rôle ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des conditions climatiques extrêmes peuvent exacerber les effets de l'allélopathie."
}
},
{
"@type": "Question",
"name": "Les pratiques agricoles influencent-elles le risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des pratiques agricoles inappropriées peuvent augmenter le risque d'allélopathie."
}
},
{
"@type": "Question",
"name": "Les interactions entre espèces sont-elles un facteur ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les interactions entre espèces peuvent augmenter le risque d'allélopathie dans un écosystème."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 19/02/2025
Contenu vérifié selon les dernières recommandations médicales
5 publications dans cette catégorie
Affiliations :
Institute of Environment and Ecology & School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, PR China.
State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai, PR China.
Publications dans "Allélopathie" :
3 publications dans cette catégorie
Affiliations :
5030 Gembloux, Belgium Laboratory of Chemistry of Natural Molecules, Agrobiotech Gembloux, Liege University.
Publications dans "Allélopathie" :
3 publications dans cette catégorie
Affiliations :
Allelopathy Laboratory, Botany Department, Aligarh Muslin University, Aligarh, 202002 India.
Publications dans "Allélopathie" :
3 publications dans cette catégorie
Affiliations :
Institute of Environment and Ecology & School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, PR China.
Publications dans "Allélopathie" :
3 publications dans cette catégorie
Affiliations :
Institute of Environment and Ecology & School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, PR China.
Publications dans "Allélopathie" :
3 publications dans cette catégorie
Affiliations :
Institute of Environment and Ecology & School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, PR China.
Publications dans "Allélopathie" :
3 publications dans cette catégorie
Affiliations :
Institute of Environment and Ecology & School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, PR China.
Publications dans "Allélopathie" :
3 publications dans cette catégorie
Affiliations :
College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China.
Publications dans "Allélopathie" :
3 publications dans cette catégorie
Affiliations :
School of Emergency Management, Jiangsu University, Zhenjiang, 212013, China. ddl@ujs.edu.cn.
School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China. ddl@ujs.edu.cn.
Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou, 215009, China. ddl@ujs.edu.cn.
Publications dans "Allélopathie" :
3 publications dans cette catégorie
Affiliations :
Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China.
Publications dans "Allélopathie" :
3 publications dans cette catégorie
Affiliations :
Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China. Electronic address: jtwang@ouc.edu.cn.
Publications dans "Allélopathie" :
2 publications dans cette catégorie
Affiliations :
Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (ceiA3), School of Science, University of Cadiz, C/República Saharaui 7, 11510, Puerto Real, Cadiz, Spain. famacias@uca.es.
Publications dans "Allélopathie" :
2 publications dans cette catégorie
Affiliations :
Allelopathy Laboratory, Botany Department, Aligarh Muslin University, Aligarh, 202002 India.
Publications dans "Allélopathie" :
2 publications dans cette catégorie
Affiliations :
Allelopathy Laboratory, Botany Department, Aligarh Muslin University, Aligarh, 202002 India.
Publications dans "Allélopathie" :
2 publications dans cette catégorie
Affiliations :
Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou, 318000, China.
Publications dans "Allélopathie" :
2 publications dans cette catégorie
Affiliations :
Plant Production Department, College of Food & Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia; Department of Botany, Faculty of Sciences, Mansoura University, Mansoura 35516, Egypt. Electronic address: aibrahim2@ksu.edu.sa.
Publications dans "Allélopathie" :
2 publications dans cette catégorie
Affiliations :
School of Emergency Management, Jiangsu University, Zhenjiang, 212013, China.
School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
Publications dans "Allélopathie" :
2 publications dans cette catégorie
Affiliations :
School of Emergency Management, Jiangsu University, Zhenjiang, 212013, China.
School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
Publications dans "Allélopathie" :
2 publications dans cette catégorie
Affiliations :
School of Emergency Management, Jiangsu University, Zhenjiang, 212013, China.
School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
Publications dans "Allélopathie" :
2 publications dans cette catégorie
Affiliations :
School of Emergency Management, Jiangsu University, Zhenjiang, 212013, China.
School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
Publications dans "Allélopathie" :
This study was designed to estimate the burden of blindness and vision impairment in school children, and to determine the proportion of students meeting the visual acuity (VA) demand for their classr...
Dynamic visual acuity (DVA) is crucial for the perception of moving objects. While traditional DVA assessment tools predominantly focus on horizontal movements, the evaluation of vertical DVA remains ...
To investigate the early visual acuity (VA) changes that occur after trabeculectomy and their reversal with recovery....
Two hundred ninety-two eyes of 292 patients after initial trabeculectomy as a standalone procedure fulfilling the following conditions were included: 1) patients with a postoperative follow-up of at l...
The mean IOPs (mmHg) after trabeculectomy were significantly lower than preoperatively during the entire period (P < 0.0001). The mean corrected VA for all patients was 0.06 ± 0.17, 0.24 ± 0.38, 0.19 ...
The frequency of serious vision loss was 4.45% for two or more levels of vision loss, and early postoperative VA changes after trabeculectomy may not be reversed even 3 months later. VA loss is influe...
Visual perception is limited by spatial resolution, the ability to discriminate fine details. Spatial resolution not only declines with eccentricity but also differs for polar angle locations around t...
Standard-of-care assessment for children with amblyopia includes measuring amblyopic eye best-corrected visual acuity (AE BCVA) with the fellow eye occluded. By definition, this abolishes the interocu...
Cross-sectional study....
Dichoptic and monocular AE BCVA of children aged 6-12 years (42 with amblyopia, 24 with recovered normal AE BCVA, 30 control) were measured. Stereoacuity, suppression, eye-hand coordination, and readi...
Overall, 81% of amblyopic children had worse dichoptic than monocular AE BCVA (mean difference=0.15±0.11 logMAR; P < .0001), and 71% of children with recovered normal AE BCVA had worse dichoptic than ...
Dichoptic AE BCVA deficits were worse than monocular AE BCVA deficits and were associated with reduced stereoacuity and suppression, consistent with the hypothesis that binocular dysfunction plays a r...
Evaluate the differences between clinical visual acuity (VA) as recorded in medical records and electronic Early Treatment Diabetic Retinopathy Study (eETDRS) protocol VA measurements and factors affe...
Retrospective chart review....
Study and fellow eyes of participants enrolled in DRCR Retina Network Protocols AC and AE (diabetic macular edema), and W (nonproliferative diabetic retinopathy) with clinical VA recorded within 3 mon...
Differences and their association with patient and ocular factors were evaluated using linear mixed models with random effects for correlations within sites and participants....
Difference between VA letter scores measured by eETDRS during a study visit versus measured by Snellen during a regular clinical visit (Snellen fraction converted to eETDRS)....
Data from 1016 eyes (511 participants) across 74 sites were analyzed. The mean VA measurements were 68.6 letters (Snellen equivalent 20/50) at the clinical visit and 76.3 letters (Snellen equivalent 2...
On average, clinical Snellen VA is 1 to 2 lines worse than eETDRS protocol refraction and VA testing, which may partly explain why clinical practice does not always replicate clinical trial results. E...
Proprietary or commercial disclosure may be found after the references....
Visual acuity declines with age, and disease-related visual acuity changes vary. We evaluated factors affecting visual acuity and age-related visual acuity in diseases associated with reduced visual a...
Lighting conditions significantly influence visual acuity (VA), visual function, and quality of life. Previous research highlighted a correlation between luminance and VA but left a gap in understandi...
This study aimed to investigate the influence of both central and surrounding luminance on VA through distance VA measurements....
A dual-component lighting system was utilized, comprising a self-illuminated ETDRS chart and a skyLED system for consistent surrounding illumination. Two experimental setups were conducted: the first ...
Sixty-six participants with refractive errors between 0.0 D and -2.75 D were tested under various lighting conditions. Both uncorrected refractive error (URE) and corrected refractive error (CRE) eyes...
Paired t-tests were used to evaluate the statistical significance of differences in VA scores....
Experiment 1 demonstrated a significant increase in VA scores, with mean improvements of -0.120 LogMAR for URE eyes and -0.073 LogMAR for CRE eyes as chart luminance increased from 26 cd/m² to 153 cd/...
This study emphasizes the significant impact of both central and peripheral luminance on VA. The introduction of the skyLED lighting system underlines the importance of optimal lighting for visual per...
Silicone oil is an established intraocular surgical aid, which enables the treatment of the most complex starting situations but no other alternative has been found; however, the available data indica...
Human sensitivity to visual input often scales with the magnitude of evoked responses in the brain. Here, we demonstrate an exception. We record electroencephalography (EEG) while people attempt to re...