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Grain yield and stability of white early maize hybrids in the highland valleys of Mexico

Author: Torres Flores, J.L.
Author: Mendoza García, B.
Author: Prasanna, B.M.
Author: Alvarado Beltrán, G.
Author: San Vicente, F.M.
Author: Crossa, J.
Year: 2017
Abstract: There is great interest in Mexico in reducing imports of grain and becoming self-sufficient in cereal production. Identifying high-yielding and stable maize (Zea mays L.) hybrids from different research institutions could contribute to increasing maize production in the highlands of Mexico. In this study, 16 early white maize hybrids were evaluated at 37 highland sites in several Mexican states with the objective of identifying high-yielding and stable hybrids, as well as high-yielding sites. Using the site regression model, it was possible to identify some outstanding hybrids (CHLHW09035, CHLHW02517, and HIBRIDO 2010) with acceptable grain yield production that were also stable across most of the 37 sites. Hybrids ST-010 and ASPROS-823 were less stable but produced acceptable yields. Sites with higher stability included Site 26 (Amealco, Queretaro), Site 7 (Epitacio Huerta, Michoacan), Site 37 (Tlachaloya, State of Mexico), Site 34 (Ciudad Hidalgo, Michoacan), and Site 29 (Metepec, State of Mexico). Other sites with satisfactory stability included Site 20 (Jilotepec, State of Mexico), Site 5 (Quecholac, Puebla), Site 6 (Huejotzingo, Puebla), Site 13 (Ajacuba, Hidalgo), and Site 19 (Santo Domingo, Oaxaca).
Format: PDF
Language: English
Publisher: Crop Science Society of America (CSSA)
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Type: Article
Country focus: Mexico
Place of Publication: Madison, WI
Pages: 3002-3015
Issue: 6
Volume: 57
DOI: 10.2135/cropsci2017.03.0145
Agrovoc: MAIZE
Related Datasets:
Journal: Crop Science

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  • Maize
    Maize breeding, phytopathology, entomology, physiology, quality, and biotech

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