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Eucaryotes
Viridiplantae
Streptophyta
Embryophyta
Tracheobionta
Magnoliopsida
Poaceae
Zea mays
Zea mays : Questions médicales fréquentes
Termes MeSH sélectionnés :
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"description": "Comment identifier une variété de maïs ?\nQuels tests pour détecter des maladies du maïs ?\nQuels signes indiquent une carence en nutriments ?\nComment évaluer la qualité du maïs ?\nQuels symptômes de maladies fongiques ?",
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"name": "Comment identifier une variété de maïs ?",
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"text": "L'identification se fait par l'examen des caractéristiques morphologiques des épis et des grains."
}
},
{
"@type": "Question",
"name": "Quels tests pour détecter des maladies du maïs ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests de laboratoire comme l'analyse de l'ADN et l'observation des symptômes sur les feuilles."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une carence en nutriments ?",
"position": 3,
"acceptedAnswer": {
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"text": "Des feuilles jaunies, un retard de croissance et des épis mal formés peuvent indiquer une carence."
}
},
{
"@type": "Question",
"name": "Comment évaluer la qualité du maïs ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "La qualité se mesure par l'humidité, la taille des grains et l'absence de contaminants."
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{
"@type": "Question",
"name": "Quels symptômes de maladies fongiques ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des taches foliaires, des pourritures des racines et des épis déformés sont des symptômes courants."
}
},
{
"@type": "Question",
"name": "Quels symptômes d'une infestation d'insectes ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des trous dans les feuilles, des épis mangés et une croissance ralentie sont des signes d'infestation."
}
},
{
"@type": "Question",
"name": "Comment reconnaître le flétrissement ?",
"position": 7,
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"@type": "Answer",
"text": "Le flétrissement se manifeste par des feuilles tombantes et une décoloration, souvent due à un stress hydrique."
}
},
{
"@type": "Question",
"name": "Quels signes de stress hydrique ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des feuilles enroulées, une croissance réduite et des épis petits peuvent indiquer un stress hydrique."
}
},
{
"@type": "Question",
"name": "Quels symptômes d'une maladie virale ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des motifs de mosaïque sur les feuilles et une croissance anormale des épis sont des indicateurs."
}
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{
"@type": "Question",
"name": "Comment détecter une intoxication par pesticides ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes comme le jaunissement des feuilles et la mort des plants peuvent indiquer une intoxication."
}
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{
"@type": "Question",
"name": "Comment prévenir les maladies du maïs ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utiliser des semences résistantes et pratiquer la rotation des cultures pour réduire les risques."
}
},
{
"@type": "Question",
"name": "Quelles pratiques pour éviter les infestations d'insectes ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Maintenir une bonne hygiène des cultures et utiliser des pièges à insectes pour surveiller les populations."
}
},
{
"@type": "Question",
"name": "Comment éviter le stress hydrique ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Planifier l'irrigation en fonction des besoins des cultures et des conditions climatiques."
}
},
{
"@type": "Question",
"name": "Quelles mesures pour la qualité du sol ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Effectuer des analyses de sol régulières et appliquer des amendements organiques pour améliorer la qualité."
}
},
{
"@type": "Question",
"name": "Comment prévenir les carences nutritionnelles ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utiliser des engrais équilibrés et surveiller régulièrement l'état nutritionnel des plantes."
}
},
{
"@type": "Question",
"name": "Quels traitements pour les maladies fongiques ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'application de fongicides et la rotation des cultures sont des méthodes efficaces."
}
},
{
"@type": "Question",
"name": "Comment traiter les infestations d'insectes ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utiliser des insecticides spécifiques et introduire des prédateurs naturels pour contrôler les populations."
}
},
{
"@type": "Question",
"name": "Quelles solutions pour le stress hydrique ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Améliorer l'irrigation et utiliser des variétés résistantes à la sécheresse peuvent aider."
}
},
{
"@type": "Question",
"name": "Comment gérer les carences nutritionnelles ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Appliquer des engrais appropriés et ajuster le pH du sol pour corriger les carences."
}
},
{
"@type": "Question",
"name": "Quels traitements pour les maladies virales ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas de traitement spécifique, mais la prévention par la sélection de semences est cruciale."
}
},
{
"@type": "Question",
"name": "Quelles complications des maladies fongiques ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les maladies fongiques peuvent entraîner une perte de rendement et des contaminations mycotoxiques."
}
},
{
"@type": "Question",
"name": "Quels risques d'infestation d'insectes ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les infestations peuvent causer des dommages structurels aux plantes et réduire la qualité des grains."
}
},
{
"@type": "Question",
"name": "Quelles conséquences du stress hydrique ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le stress hydrique peut entraîner une réduction significative des rendements et des pertes économiques."
}
},
{
"@type": "Question",
"name": "Quels effets des maladies virales ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les maladies virales peuvent provoquer des déformations des épis et une baisse de la productivité."
}
},
{
"@type": "Question",
"name": "Quelles complications des carences nutritionnelles ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les carences peuvent entraîner des déformations des plantes et une susceptibilité accrue aux maladies."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque de maladies ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'humidité excessive, la densité de plantation et l'utilisation de semences non résistantes augmentent les risques."
}
},
{
"@type": "Question",
"name": "Comment le climat influence-t-il le maïs ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des conditions climatiques extrêmes, comme la sécheresse ou l'humidité, peuvent affecter la croissance."
}
},
{
"@type": "Question",
"name": "Quels sols favorisent les maladies ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les sols mal drainés et riches en matière organique peuvent favoriser le développement de maladies."
}
},
{
"@type": "Question",
"name": "Comment la monoculture affecte-t-elle le maïs ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "La monoculture peut accroître la vulnérabilité aux maladies et réduire la biodiversité du sol."
}
},
{
"@type": "Question",
"name": "Quels sont les risques liés aux pesticides ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une utilisation excessive de pesticides peut entraîner des résistances et des impacts environnementaux négatifs."
}
}
]
}
]
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This study examines whether the modality effect can be used to improve visual time perception. In Experiment 1, we used a time-reproduction task to explore the accuracy (i.e., deviation of reproduced ...
Mirror symmetry is a global percept formed from specific arrangements of matching local information. It has been shown that some features of this local information can interact with the global percept...
Verbal hints can bias perceptual decision-making, even when the information they provide is false. What makes individuals more or less susceptible to such influences, however, remains unclear. Here, w...
This study investigates bistable perception as a function of the presentation side of the ambiguous figures and of participants' sex, to evaluate left-right hemispheric (LH-RH) asymmetries related to ...
Visual abilities tend to vary predictably across the visual field-for simple low-level stimuli, visibility is better along the horizontal vs. vertical meridian and in the lower vs. upper visual field....
Non-numeric stimulus features frequently influence observers' number judgments: when judging the number of items in a display, we will often (mis)perceive the set with a larger cumulative surface area...
The clinical determination of vocal fold (VF) hypomobility based on laryngoscopy is subjective. Previous studies point to VF motion anomaly as the most commonly reported factor in the diagnosis of hyp...
Retrospective....
Semi-automated analysis of laryngoscopic videos of 18 subjects diagnosed with unilateral VF hypomobility and 13 subjects with normal VF mobility was performed to quantify/compare the VF angular veloci...
In the hypomobile VF group, 7 out of 15 (47%) videos with /i/-sniff and 5 out of 8 (63%) with laugh had a statistically significant difference in the angular velocities between the VFs in either abduc...
Differences in VF angular velocity or ROM are measurable in a substantial subset of subjects diagnosed with unilateral VF hypomobility. Clinicians' ability to gauge VF motion goes beyond what can be e...
3 Laryngoscope, 133:866-874, 2023....
Serial dependence (SD) refers to the effect in which a person's current perceptual judgment is attracted toward recent stimulus history. Perceptual and memory processes, as well as response and decisi...
From moment to moment, the visual properties of objects in the world fluctuate because of external factors like ambient lighting, occlusion and eye movements, and internal (proximal) noise. Despite th...
Virtual reality (VR) has established itself as a useful tool in the study of human perception in the laboratory. A recent study introduced a new approach to examine visual sensory attenuation (SA) eff...