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Desde la creación del FLAR se desarrolló un programa de mejoramiento genético que se integra con los diferentes programas de los países socios. En 2001 se estableció un programa específico para la zona templada, es decir para los socios del Cono Sur de América Latina, en donde las bajas temperaturas afectan en forma negativa el cultivo del arroz.

El objetivo es desarrollar poblaciones segregantes  que combinen buen rendimiento, tolerancia al frío, granos largos y finos, alto contenido de amilosa y resistencia a las principales enfermedades de la zona.

Las actividades principales son: generación de 300 cruzamientos, en promedio, al año; evaluación de tolerancia al frío en los estados de germinación, plántula y floración; y el envío de poblaciones segregantes, a los socios para que ellos continúen la selección en condiciones locales para la producción de variedades y para la obtención de nuevos progenitores potenciales. 

Hay un flujo constante de  germoplasma con las características de interés, distribuído en diferentes viveros según la zona hacia donde se dirija. Los socios tienen varias líneas en ensayos finales de rendimiento, en pruebas nacionales y  Argentina tiene casi lista una variedad comercial.

Se hace seguimiento al programa a través del comité técnico y en la visita técnica  a cada uno de los  centros de investigación de los socios de la zona templada.

Este programa se desarrolla con la colaboración del INTA en Argentina, del INIA en Uruguay y del IRGA en Brasil. El programa está en continuo crecimiento y las líneas generadas hasta ahora son superiores en cuanto a la tolerancia al frío en condiciones controladas con relación a las variedades índicas y presentan mejor calidad, tipo de grano y tipo de planta con respecto al germoplasma japónico.

 

 
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