Simple digital imaging for weed cover studies

Assemat L., Bonnot François. 2009. Simple digital imaging for weed cover studies. In : Treizième Colloque international sur la biologie des mauvaises herbes, Dijon, France, 8-10 septembre 2009 = Thirteenth International Conference on weed biology, Dijon, France, 8-10 September 2009. AFPP. Paris : AFPP, 38-42. ISBN 978-2-950550-17-0 Colloque international sur la biologie des mauvaises herbes. 13, Dijon, France, 8 Septembre 2009/10 Septembre 2009.

Titre anglais : Effect of harvesting season of sugar cane on weed growth dynamic in la Reunion island

Résumé : A simple but realistic model to construct 2D view of seedling cover within a crop is presented.Leaves are constructed from outlines of real leaves; then each seedling is made of several leaves depending of development stage knowledge on relative arrangement of leaves (phyllotaxis). First application of this work is validation of digital image processing software for site-specific weed control. All sizeand shape parameters are subject to controlled variation for better rendering and to quantify consequences of phenotypic variation of indivdual at community level. Output of the model is total and illuminated percent cover of each species in the mixture. When cover is split over its different components, potential competitive relations can be devised. A simple example is presented.

Classification Agris : H60 - Mauvaises herbes et désherbage
U10 - Informatique, mathématiques et statistiques

Auteurs et affiliations

• Assemat L.
• Bonnot François, CIRAD-BIOS-UPR Etiologie dépérissements (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/558861/)

Métriques

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