Aptitud combinatoria del rendimiento y sus componentes en dos grupos de líneas de maíz.

César Guerrero-Guerrero; Armando Espinoza-Banda; Arturo Palomo-Gil; Emiliano Gutiérrez-del Río; Héctor Zermeño-González; María P. González-Castillo

doi:10.15517/am.v22i2.11800

Yield combining ability and components in two groups of inbred lines of maize.

Authors

César Guerrero-Guerrero Universidad Autónoma Agraria Antonio Narro Unidad Laguna
Armando Espinoza-Banda Universidad Autónoma Agraria Antonio Narro Unidad Laguna
Arturo Palomo-Gil Universidad Autónoma Agraria Antonio Narro Unidad Laguna
Emiliano Gutiérrez-del Río Universidad Autónoma Agraria Antonio Narro Unidad Laguna
Héctor Zermeño-González Instituto Tecnológico de Torreón, Departamento de Agronomía
María P. González-Castillo Instituto Politécnico Nacional, Unidad Durango

DOI:

https://doi.org/10.15517/am.v22i2.11800

Keywords:

Zea mays L., hybrids, genetic material, crosses, SCA.

Abstract

The objective of this

work was to estimate the effects of the General Combining

Ability (GCA) of inbreed lines, and Specifi c Combining

Ability (SCA) of its crosses, and to evaluate its use

in maize hybridization program. The present work was

conducted in two stages; in year 2006 the crosses were done

at the experimental station from Universidad Autónoma

Agraria Antonio Narro Unidad Laguna (UAAANUL), and

evaluation of the crosses was conducted in year 2007,

at two localities and in three environments: UAAAN’s

experimental station during spring and summer cycles,

Niagara and Aguascalientes Municipality during the spring

cycle. The genetic material used were two groups of inbred

lines, the fi rst formed by four inbred lines from UAAANUL,

and the second group was formed by ten inbred lines from

Centro Internacional para el Mejoramiento del Maíz y

Trigo (CIMMYT). The estimation of General Combining

Ability (GCA) and Specifi c Combining Ability (SCA) were

obtained using a test of line x line. CML254 (10.88 t/ha)

and AN447 (6.64 t/ha) had the highest effects of GCA for

both groups. The highest effects of SCA were for CML264

x AN447 (128.8 t/ha) and CML247 x AN123 (116.2 t ha-

1). These results show that is possible to structure a maize

hybridization program, using the best inbred lines from

CIMMYT and UAAANUL.

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How to Cite

Guerrero-Guerrero, C., Espinoza-Banda, A., Palomo-Gil, A., Gutiérrez-del Río, E., Zermeño-González, H., & González-Castillo, M. P. (2011). Yield combining ability and components in two groups of inbred lines of maize. Agronomía Mesoamericana, 22(2), 257–267. https://doi.org/10.15517/am.v22i2.11800

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Issue

2011: Agronomía Mesoamericana: Vol. 22, Issue 2 (July-December)

Section

Articles

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