2013
DOI: 10.15517/am.v24i1.9644
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Rendimiento de variedades precoces de maíz grano amarillo para Valles Altos de México.

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Cited by 6 publications
(7 citation statements)
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“…The yield of the intervarietal crosses was statistically equal to the controls, ranging from 5.15 to 7.09 Mg ha -1 and was equal to that of conventional hybrids, one OPV and it was superior to all parents. Different genotypes have been found to match or outperform hybrids, such as divergent population hybrids (Carena, 2005); improved OPV (Espinosa-Calderón et al, 2013); non-conventional hybrids and OPV (Martínez-Yañez et al, 2017); crosses between maize races (Velasco-García et al, 2019); population hybrids (Eze et al, 2020); experimental single hybrids (Cieza et al, 2020). Furthermore, the use of divergent parents tends to increase yield (Moll et al, 1965).…”
Section: Yield and Yield Componentsmentioning
confidence: 99%
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“…The yield of the intervarietal crosses was statistically equal to the controls, ranging from 5.15 to 7.09 Mg ha -1 and was equal to that of conventional hybrids, one OPV and it was superior to all parents. Different genotypes have been found to match or outperform hybrids, such as divergent population hybrids (Carena, 2005); improved OPV (Espinosa-Calderón et al, 2013); non-conventional hybrids and OPV (Martínez-Yañez et al, 2017); crosses between maize races (Velasco-García et al, 2019); population hybrids (Eze et al, 2020); experimental single hybrids (Cieza et al, 2020). Furthermore, the use of divergent parents tends to increase yield (Moll et al, 1965).…”
Section: Yield and Yield Componentsmentioning
confidence: 99%
“…Traits expressed vary, such as spike reduction, more erect leaves, fewer tillers and lower protein percentage (Duvick, 2005); tassel size and tassel branch number (Nardino et al, 2016); days to male flowering and DFF (López-Morales et al, 2020). In yellow maize, days to male flowering, DFF, leaf insertion angle and IP (Chura and Tejeda, 2014); days to male flowering, DFF, AP and AM (Espinosa-Calderón et al, 2013). Results in this study indicated that all the agronomic traits evaluated influenced a greater expression of yield and agree with those reported by other authors, but in the evaluated crosses the most important traits were AP, AM, AF and IP, which translate into larger and more productive plants.…”
Section: Agronomic Performancementioning
confidence: 99%
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“…También se registró el número de mazorcas (NM) y el peso de mazorca en kg y se ajustó a humedad constante del 14 %. P a r a l a e s t i m a c i ó n del rendimiento de grano se usó la fórmula recomendada por Espinosa et al (2013):…”
Section: Variables Evaluadasunclassified
“…En los mercados a futuro se considera que el precio internacional del maíz se mantendrá elevado y probablemente se incrementará; ante esta situación, la opción es producir maíz amarillo en México, para lo cual se requieren variedades mejoradas. El Programa de Mejoramiento Genético de Maíz del Valle de México ha propuesto como alternativa ofrecer materiales precoces con alto potencial productivo para promover el uso de semillas mejoradas entre los productores, dado su escaso empleo en condiciones de ambientes restrictivos y periodo corto libre de heladas, como ocurre en Valles Altos (2200 a 2600 msnm), para posibilitar el uso de semillas de grano amarillo en siembras muy tardías (Espinosa et al, 2010;2011;Espinosa-Calderón et al, 2013;Tadeo-Robledo et al, 2015); ésto permitiría que los agricultores incrementen la producción de grano.…”
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