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RESUMEN The cut flower business requires exact synchronicity between product offer and demand in consumer countries. Having tools that help to improve this synchronicity through predictions or crop growth monitoring could provide an important advantage to program standards and corrective agronomic practices. At the Centro de Biotecnologia Agropecuaria, SENA (SENA’s Biotechnology, Agricultural and Livestock Center), located in Mosquera, Cundinamarca, a trial with standard carnation cv. Delphi grown under greenhouse conditions was carried out. The objective of this study was to build a simple model of dry matter (DM) production and partition of on-carnation flower stems. The model was based on the photosynthetically active radiation (PAR) MJ m -2 d -1 and temperature as exogenous variables and assumed no water or nutrient limitations or damage caused by pests, disease or weeds. In this model, the daily DM increase depended on the PAR, the light fraction intercepted by the foliage (FLINT) and the light use efficiency (LUE) g MJ -1 . The LUE in the vegetative and reproductive stages reached values of 1.31 and 0.74 g MJ -1 , respectively. The estimated extinction coefficient (k) value corresponded to 0.53 and the maximum FLINT was between 0.79 and 0.82. Partitioning between the plant vegetative and reproductive stages was modeled based on the hypothesis that the partition is regulated by the source sink relationship. The estimated partition coefficient for the vegetative stage of the leaves was 0.63 and 0.37 for the stems. During the reproductive stage, the partitioning coefficients of leaves, stems and flower buds were 0.05, 0.74, and 0.21, respectively. El negocio de las flores de corte requiere una estricta sincronia entre la oferta del producto y la demanda en los sitios de consumo. Contar con herramientas que ayuden a mejorar esta sincronia mediante predicciones o monitoreo del cultivo puede significar una ventaja importante a la hora programar practicas de manejo rutinarias o correctivas. En el Centro de Biotecnologia Agropecuaria del SENA, ubicado en Mosquera, Cundinamarca, se establecio un ensayo en clavel estandar cv. Delphi en condiciones de invernadero. El objetivo del estudio fue construir un modelo simple de produccion y distribucion de masa seca en tallos florales de clavel. El modelo se baso

Potential growing model for the standard carnation cv. Delphi