Evaluación de híbridos de Solanum polyadenium Greenm. Para resistencia al gusano blanco de la papa (Premnotrypes vorax Hustache)
Evaluation of hybrids of So/anum po/yadenium Greenm for white worm resistance in potatoe (Premmotripes voraxHustoche.)
Keywords:
gusano blanco, premnotrypes vorax Hustache, resistencia a insectos, especies silvestres, solanum polyadenium, solanum berthanltií, solanum chacoense Solanum phureja (es)andean potato weevil, premnotrypes vorax hustache, insect resistance, wild species, solanum polyadenlum, solanum berthanitll, solanum chacoense, solanum phureja (en)
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al gusano blanco de la Papa (Premnotrypes voraxHustache) de los hibrldos obtenidos mediante el cruzamiento de la especie Solanum polyadenium con las especies Solanum berthanltil, Solanum chacoense y Solanum phureja. De un total de 397 hibridos evaluados, se seleccionaron seis (1.5%) por su alto nivel de resistencia al gusano blanco. Porotras caracteristicas agronómicas y bioquimicas, se consideraron como losmás importantesen un programa de mejoramiento a los hibridos 12; 14 y 15 de la Familia 2 (498096.1 - hibrido de Solanum polyadenlum x Amarilla Perú - Solanum phureja). El mecanismo de resistencia observado es del tipo antibiosis, el cual afecta la supervivencia, desarrollo y reproducción del insecto.
were selected for resistance. For other agronomical and biochemical characteristics the most promising hybrids were the 12 th, the 14 th and the 15 th from the second family (498096.1-Solanum polyadenlium x Solanum phureja. The type of resistance found was antibiosis which affects both the development and the reproduction of the insect.
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