- INTRANET (Reserved access)
| Date and place | Participant(s) | Content |
|---|---|---|
| 25/02/2020 from 11h00 to 12h00 PS 2 salle 201 |
Han LEE Sue | Jeudi de l'AMAP (Résultats & Programmes) PLANT HEATH: Plant disease monitoring in crowdsourced image stream Read the summary AMAP's ThursdayOn 25/02/2020 , from 11h00 to 12h00, PS 2 salle 201 Han LEE Sue will present PLANT HEATH: Plant disease monitoring in crowdsourced image streamPlant diseases are a major threat to agricultural production, causing a severe food recession and affecting crop quality. Automated identification of plant diseases has mainly been carried out on a single crop/host species using hand-crafted approaches and, since deep learning, has demonstrated extremely high recognition capabilities, replacing the need to manually design feature representations, multiple host species and disease-based models, which are receiving increasing attention. In this presentation, I will present the results of my research on the conceptual study of the use of deep learning to solve the problem of plant disease identification. It covers preliminary results on the effect of transfer learning on model training, the exploration of a new modelling method based on recurrent neural network and the latest state-of-the-art method for modelling multiple host species and disease images taken in a real-life scenario. Joined File : 20200225_Sue_HAN_JeudiAMAP.pdf Joined File : 20200225_Sue_HAN_JeudiAMAP.pdf |
| 27/02/2020 from 11h00 to 12h00 PS 2 salle 201 |
Corentin DUPONTDUPONT Corentin
| Jeudi de l'AMAP (Compte-rendu) Morphological, colour and odour traits of Sarracenia pitcher plants involved in the capture of the Asian hornet Read the summary AMAP's ThursdayOn 27/02/2020 , from 11h00 to 12h00, PS 2 salle 201 Corentin DUPONT will present Morphological, colour and odour traits of Sarracenia pitcher plants involved in the capture of the Asian hornetThe Asian hornet, Vespa velutina, is an invasive alien species, which rapidly spreads in Europe, as a results of increased trades and climate change. It jeopardizes honeybee populations, Apis mellifera, and their pollination services, thereby threatening apiculture, agriculture and plant biodiversity. However, eradication campaigns are inefficient and harmful to biodiversity, calling for biological control. While no insect-pheromone trap has yet emerged, we drew inspiration from carnivorous plants of the genus Sarracenia. We measured the hornet-capture efficiency of four species of Sarracenia pitcher plants, which differ in pitcher morphology and cues and identified the morphological traits, which optimize hornet capture. We quantified the attractiveness of these pitcher plants towards the hornet and identified the visual and olfactory cues involved in its attraction, as well as the volatile organic compounds, which trigger electrophysiological responses of hornets but not bees. Our research offer promising results for the development of a selective and ecologically-friendly trap Joined File : 20200127_Corentin_Dupont_JeudiAMAP.pdf Joined File : 20200127_Corentin_Dupont_JeudiAMAP.pdf |
| 19/03/2020 from 11h00 to 12h00 PS 2 salle 201 |
Michel CHAUVET | Jeudi de l'AMAP (Vulgarisation) L'Encyclopédie des plantes alimentaires Read the summary AMAP's ThursdayOn 19/03/2020 , from 11h00 to 12h00, PS 2 salle 201 Michel CHAUVET will present L'Encyclopédie des plantes alimentairesUne idée répandue est que notre alimentation repose sur une dizaine d'espèces, et que nombreuses sont celles qui ont été "oubliées". C'est vrai si l'on raisonne en quantité mais pas en qualité. Or j'ai pu recenser plus de 700 espèces dont les produits sont disponibles sur les marchés français et européens, y compris comme ingrédients dans des produits transformés. Cela s'explique par le regain d'intérêt pour la diversité, mais aussi par la mondialisation (commerce international, tourisme et cuisines exotiques, domestication d'espèces dans les pays tropicaux...). L'encyclopédie décrit ces espèces, leur histoire, leurs noms populaires et leur importance économique. Elle est illustrée par plus de 1700 dessins originaux et 340 cartes de répartition, et est le résultat de vingt ans de travail. Joined File : 20200319_Michel_Chauvet_JeudiAMAP.pdf Joined File : 20200319_Michel_Chauvet_JeudiAMAP.pdf |
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