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El programa de mejora genética de Pinus pinaster en Galicia

Authors: Zas, R.; Merlo, E.;

El programa de mejora genética de Pinus pinaster en Galicia

Abstract

[ES] El pino marítimo es una de las especies más importantes del sector forestal gallego. Fruto de esta importancia, desde los años 80 se lleva a cabo un programa de mejora cuyo fin último es el abastecimiento de semilla de alta calidad genética para su uso en repoblación. En este trabajo se revisan las actuaciones realizadas al respecto tanto en la zona costera como en el interior de Galicia. Se describe el dispositivo experimental del programa, los objetivos y la estrategia de mejora, los resultados más relevantes alcanzados hasta la fecha, así como la planificación de las actuaciones futuras. Aunque el programa se centra en caracteres clásicos como la productividad y la rectitud del fuste, se también los resultados obtenidos y las posibilidades de mejora de otros caracteres de interés como la resistencia a patologías y plagas, la eficiencia nutricional o la calidad de madera.

[EN] Maritime pine is one the most important forest-tree species in Galicia. A breeding program was started in the 80’s with the aim to provide genetic improved seed to be use in reforestation. In the present paper we review all the activities done to date, both in the coastal and interior area of Galicia, describing the experimental device, the breeding objectives and breeding strategy, presenting the main results achieved, and advancing further activities of the program. Although the breeding program was focused on classical traits such productivity and stem straightness, results and breeding possibilities of other traits such as pest and disease resistance, nutritional efficiency and wood quality are also discussed.

El programa de mejora de P. Galicia se ha desarrollado bajo múltiples fuentes de financiación, entre las que destacan las distintas propuestas del Plan de Mejora de Galicia y los proyectos INIA RTA2-109 e INIA RTA5-173 más recientes.

20 páginas, 2 tablas, 5 figuras.

Peer reviewed

Country
Spain
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Keywords

Interacción genotipo × ambiente, Genotype by environment interaction, Quantitative genetics, Seed orchard, Juvenile mature correlation, Reproductive forest material, Maritime pine, Correlación juvenil-adulto, Ensayos de progenie, Heritability, Heredabilidad, Huerto semillero, Progeny trials, Pino marítimo, Material forestal de reproducción

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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