Evaluation of mosicas sugarcane growth model in Brazil

Bernardes M.S., Suguitani C., Laclau P.R., Martiné Jean-François, Chopart Jean-Louis. 2007. Evaluation of mosicas sugarcane growth model in Brazil. In : ISSCT 2007: 26th Congress of the International Society of Sugar Cane Technologists Congress, 29 juillet - 2 août 2007, Durban, South Africa. ISSCT. Réduit : ISSCT, 589-592. ISBN 1-920017-01-1 ISSCT Congress. 26, Durban, Afrique du Sud, 29 Juillet 2007/2 Août 2007.

Titre espagnol : Evaluacion del modelo de crecimiento de cana de azucar Mosicas en Brasil / Titre français : Evaluation du modèle de croissance MOSICAS au Brésil

Résumé : SUGARCANE computer growth simulation models developed in Brazil were rarely used and their programming became outdated. MOSICAS is a simulation model developed by Centre de Coopération Internationale en Recherche Agronomique pour le Dévelopment (CIRAD) with successful application by sugarcane farmers and their associated mills and available for research cooperation. The model consists of a carbon balance, with partitioning to roots, leaves and stalk (fibre and sucrose) according to the interception of solar radiation by a given leaf area. This is linked to the water balance by the canopy transpiration. A field trial to test this model was conduced at Piracicaba, one of the main regions for sugarcane growing in Brazil. The model was tested for two local varieties, RB72454 and SP83-2847, in reference to R570 and to NCo376. The simulations for total above ground biomass, millable stalk dry matter, yield, leaf area index, plant height, root density, maximum root depth and soil water balance presented a significant correlation with observed data. These results are promising and MOSICAS has potential for use in research for understanding sugarcane growth and yield under Brazilian conditions.

Classification Agris : U10 - Informatique, mathématiques et statistiques
F01 - Culture des plantes

Auteurs et affiliations

• Bernardes M.S., USP (BRA)
• Suguitani C., Centro de Tecnologia Canavieira (BRA)
• Laclau P.R., USP (BRA)
• Martiné Jean-François, CIRAD-PERSYST-UPR Systèmes canniers (REU)
• Chopart Jean-Louis, CIRAD-PERSYST-UPR Systèmes canniers (REU)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/540873/)

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