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Título: | Effects of selection for resistance to Sesamia nonagrioides on maize yield, performance and stability under infestation with Sesamia nonagrioides and Ostrinia nubilalis in Spain |
Autor: | Sandoya Miranda, Germán CSIC ORCID; Malvar Pintos, Rosa Ana CSIC ORCID ; Álvarez Rodríguez, Ángel CSIC; Revilla Temiño, Pedro CSIC ORCID ; Butrón Gómez, Ana María CSIC ORCID | Palabras clave: | GGE interaction maize Ostrinia nubilalis Sesamia nonagrioides Stability yield |
Fecha de publicación: | may-2010 | Editor: | John Wiley & Sons | Citación: | Sandoya G, Malvar RA, Álvarez A, Revilla P, Butrón AM. Effects of selection for resistance to Sesamia nonagrioides on maize yield, performance and stability under infestation with Sesamia nonagrioides and Ostrinia nubilalis in Spain. Annals of Applied Biology 156 (3): 377-386 (2010) | Resumen: | A maize synthetic population was improved for resistance to the Mediterranean corn borer (MCB, Sesamia nonagrioides) while maintaining yield. The objectives of this research were to investigate whether yield and yield stability of the maize synthetic population named EPS12 were affected by selection for MCB resistance; also to determine which genotypic and environmental covariates could explain the genotype (G), environment (E) and genotype × environment (GE) effects for yield under corn borer infestation. Plants from three cycles of selection and their testcrosses to three inbred testers (A639, B93 and EP42) were evaluated at two locations in 2 years, under MCB and European corn borer infestations. After selection EPS12 was a more stable genotype. Hybrids derived from crosses between B93 and inbreds obtained from the initial cycles of selection could be recommended for cultivation in northern Spain. The yield of crosses between cycles of selection and testers increased when there were fewer days with temperatures >25°C and higher mean maximum temperatures. Differences in yield among these genotypes were mostly explained by resistance to corn borer attack. In general, among EPS12-derived materials, genetic characteristics that contribute to increased grain yield were also responsible for increased abiotic stress tolerance. | Descripción: | 31 Pag., 3 Tabl., 1 Fig. The definitive version is available at: http://www3.interscience.wiley.com | Versión del editor: | http://dx.doi.org/10.1111/j.1744-7348.2010.00395.x | URI: | http://hdl.handle.net/10261/24574 | DOI: | 10.1111/j.1744-7348.2010.00395.x | ISSN: | 0003-4746 |
Aparece en las colecciones: | (EEAD) Artículos (MBG) Artículos |
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