Comment diagnostiquer la photosynthèse chez les plantes ?

On évalue la production d'oxygène et l'absorption de CO2 en conditions contrôlées.

Quels tests pour mesurer la transpiration des plantes ?

On utilise des pots de pesée pour mesurer la perte d'eau par évaporation.

Comment évaluer la respiration des plantes ?

On mesure la consommation d'oxygène et la production de CO2 dans un environnement fermé.

Quels indicateurs de stress hydrique chez les plantes ?

On observe le flétrissement, la décoloration des feuilles et la chute prématurée des fleurs.

Comment détecter la photosensibilité des plantes ?

On observe les mouvements des feuilles et la direction de croissance en fonction de la lumière.

Quels symptômes d'une carence en azote chez les plantes ?

Les feuilles jaunissent et se dessèchent, surtout les plus anciennes.

Comment reconnaître une carence en potassium ?

Les feuilles présentent des bords bruns et des taches nécrotiques.

Quels signes d'excès d'eau chez les plantes ?

Les racines pourrissent, les feuilles jaunissent et la plante flétrit.

Quels symptômes d'une carence en phosphore ?

Les plantes montrent un retard de croissance et des feuilles violettes.

Comment identifier un stress thermique chez les plantes ?

Les feuilles se recroquevillent, et la croissance est ralentie.

Comment prévenir les carences en nutriments ?

Utiliser des engrais équilibrés et effectuer des analyses de sol régulières.

Quelles pratiques pour éviter le stress hydrique ?

Installer un système d'irrigation et mulcher le sol pour conserver l'humidité.

Comment prévenir les maladies des plantes ?

Assurer une bonne circulation de l'air et éviter l'humidité excessive.

Quelles mesures pour éviter l'excès d'eau ?

Utiliser des pots avec drainage et éviter les arrosages excessifs.

Comment prévenir le stress thermique ?

Fournir de l'ombre et arroser les plantes pendant les périodes chaudes.

Comment traiter une carence en nutriments ?

Appliquer des engrais spécifiques selon le nutriment manquant.

Quelles solutions pour le stress hydrique ?

Augmenter l'arrosage et améliorer le drainage du sol.

Comment remédier à un excès d'eau ?

Réduire l'arrosage et améliorer l'aération du sol.

Quelles méthodes pour améliorer la photosynthèse ?

Optimiser l'éclairage et la concentration de CO2 dans l'environnement.

Comment traiter les maladies fongiques des plantes ?

Utiliser des fongicides appropriés et retirer les parties infectées.

Quelles complications d'une carence en azote ?

Peut entraîner un retard de croissance et une faible production de fruits.

Quels risques d'un excès d'eau ?

Peut provoquer la pourriture des racines et la mort de la plante.

Quelles complications d'un stress hydrique prolongé ?

Peut entraîner la défoliation et la mort des plantes.

Quels effets d'une carence en phosphore ?

Peut réduire la floraison et la fructification des plantes.

Quelles complications d'un stress thermique ?

Peut causer des brûlures foliaires et un affaiblissement général.

Quels facteurs augmentent le risque de carences ?

Un sol pauvre, une mauvaise gestion de l'eau et un manque d'engrais.

Comment le climat influence-t-il la photosynthèse ?

Des températures extrêmes et un manque de lumière peuvent réduire la photosynthèse.

Quels facteurs augmentent le stress hydrique ?

Des périodes de sécheresse prolongées et un sol mal drainé augmentent le stress.

Comment la pollution affecte-t-elle les plantes ?

La pollution de l'air et du sol peut nuire à la croissance et à la santé des plantes.

Quels facteurs de risque pour les maladies fongiques ?

L'humidité élevée et le manque de circulation d'air favorisent les maladies fongiques.

Phénomènes physiologiques des plantes - Informations médicales vérifiées

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Jul 2023

DOI: 10.1016/j.nepr.2023.103650 PMID: 37119757

Nursing education research is complex and contextualized. The evaluation and impact of educational innovations on students, educators, and educational outcomes are influenced by the complexity of envi... This paper aims to explore the value of implementation science theories, models, and frameworks and hybrid designs for interventional nursing education research and illustrate how these can be used in... A brief overview of implementation science, the various types of theories, models and frameworks and Hybrid designs are provided. Illustrative examples demonstrating the incorporation of these methodo... A brief overview of implementation and its key concepts namely context, implementation strategies, fidelity, outcomes, adaptation, and sustainability is provided. Three types of hybrid designs are dis... The implications of implementation science for nursing education research are: a) Accelerating uptake of innovations to improve educational outcomes, b) targeting systematic change in individual and o... Incorporating implementation science in nursing education research can optimize the uptake of educational innovations in practice in a sustainable manner. Nurse educators should equip themselves with ...

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Research Methods Used in Evidence-Based Design: An Analysis of Five Years of Research Articles From the

01 2023

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This study aims to analyze research methodologies from 157 research articles published in this journal in the last five years (2016-2020).... Health environments research is comprised of research covering many topics and from various disciplines worldwide. No systematic study exists to uncover themes in evidence-based design (EBD) research ... Case study research was used to analyze 157 articles published in the... Findings are reported on categories commonly found in empirical research articles: (i) key words, (ii) disciplines from authors, (iii) settings studied, (iv) populations studied or sampled, (v) resear... The analyses highlighted the research methods most frequently used in health environments research. Findings revealed several inconsistencies across articles on key words and the framing of research m...

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The Relative Merits of Observational and Experimental Research: Four Key Principles for Optimising Observational Research Designs.

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Hand surgeons are constantly faced with evaluation of new evidence to identify best practices in clinical care. However, even the most rigorous study designs have limitations due to biases, generaliza...

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The MoXFo initiative - study design: Considerations related to study design and methodology in exercise research for people with multiple sclerosis.

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Exercise as a subset of physical activity is a cornerstone in the management of multiple sclerosis (MS) based on its pleiotropic effects, but continued progression of the field requires better future ... This paper outlines the work of the 'Study design and methodology' group of the MoXFo (moving exercise research forward) initiative, and addresses critical aspects and future directions when defining ... The work is based on the formation of an international expert panel formed within the MoXFo initiative. We provide a structured and concise synthesis of exercise-specific MS research challenges and co... Challenges and considerations are presented using the Patient population, Intervention, Comparator, Outcomes, Timing, Setting (PICOTS) framework, thereby forming a new and specific MS exercise PICOTS ... We propose that researchers should carefully consider and align all elements of this MS exercise PICOTS framework when developing future research questions and study designs, ultimately improving the ...

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Engaging with patients when designing a clinical or research project is beneficial; feedback from the intended audience provides invaluable insight form the patients' perspective. Working with patient... Patients were included in the PREHABS study from inception to completion. The Theory of Change methodology was used to provide a framework to implement patient feedback to refine the study interventio... In total, 69 patients engaged with the PREHABS project. Two patients were recruited as co-applicants on the grant and were members on the Trial Management Group. Six patients attended the pre applicat... It is practicable and beneficial to include patients at all stages of designing and delivering a research study. Patient feedback can help refine the study interventions to allow for maximum acceptanc... Including patients in the design of radiotherapy research studies can provide invaluable insight that can support the selection and delivery of interventions that are acceptable to the patient cohort....

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25 10 2022

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Evidence-based medicine and evidence hierarchies have been widely adopted and have strongly influenced decision making across many fields, including clinical aphasiology. However, questions remain abo... This article builds on ideas about scientific approaches and evidence originally shared by Elman (1995, 1998, 2006). This article reviews the history of evidence hierarchies and argues that improving ... Concepts from a wide variety of fields including philosophy of science, research design and methodology, and precision medicine are brought together in an attempt to focus research on the scientific u... It is hoped that by incorporating diverse research designs, methods, and perspectives, clinical aphasiologists will become better able to provide effective, personalized treatments, ensuring that each...

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Phénomènes physiologiques des plantes : Questions médicales fréquentes

Termes MeSH sélectionnés :

Questions fréquentes et termes MeSH associés

Diagnostic 5

Symptômes 5

Prévention 5

Traitements 5

Complications 5

Facteurs de risque 5

Contenu validé par Dr Olivier Menir

Sous-catégories

Résistance à la sécheresse

Gamétogenèse de plante

Perception de la gravité

Organogenèse des plantes

Parthénogenèse

Photosynthèse

Défense des plantes contre les herbivores

Développement des plantes

Maladies des plantes

Dispersion des plantes

Immunité des plantes

Stérilité des plantes

Nodulation racinaire

Techniques d'embryogenèse somatique végétale

Transpiration des plantes

Pollinisation

Dispersion des graines

Autofécondation

Auto-incompatibilité chez les plantes à fleurs

Tropisme

Apomixie

Métabolisme acide crassulacéen

Photophosphorylation

Étiolement

Germination

Sénescence des plantes

Maladie à phytoplasme

Nécrose et chlorose des plantes

Tumeurs végétales

Résistance à la maladie

Résistance systémique induite des plantes

Gravitropisme

Phototropisme

Dormance des plantes

Auteurs principaux

Sources (10000 au total)