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Tecnociencia Chihuahua
Article . 2020
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Componentes de varianza de caracteres de maíz asociados al nixtamal

Authors: Aurelio Guevara-Escobar; José Salazar-Martínez; Guadalupe Malda-Barrera; César Humberto Rivera-Figueroa; Yolanda Salinas-Moreno;

Componentes de varianza de caracteres de maíz asociados al nixtamal

Abstract

Los componentes de varianza y la heredabilidad de características de grano blanco, relacionadas con la calidad industrial de la harina nixtamalizada, fueron estimadas en cinco híbridos de maíz (Zea mayz L.) del tipo "media altura". El objetivo del trabajo fue conocer los componentes de varianza, la heredabilidad y la correlación de características de grano blanco asociadas con la calidad industrial del nixtamal de híbridos de maíz. Durante el ciclo Verano 2003, se estableció el experimento bajo condiciones de riego en tres localidades representativas de la región El Bajío. Se evaluaron nueve características físicas de grano y siete asociadas al proceso de "nixtamalización". Se identificaron cinco rasgos de interés para la industria del nixtamal: Peso o masa hectolítrica (densidad de grano) y peso de 100 granos, asociados al rendimiento de grano a tortilla; endospermo tipos harinoso y córneo, relacionados con la calidad de la tortilla; pericarpio retenido, asociado al rendimiento de grano a tortilla. La variable pericarpio retenido mostró una heredabilidad alta (h2 > 0.50), mientras que los caracteres peso hectolítrico, peso de cien granos, endospermo harinoso y endospermo córneo presentaron baja heredabilidad (h2 0.50), while for the characteristics: Hectoliter weight, weight of 100 grains, endosperm types flour and hard were the estimated heritability values were lower than 0.50. According to the observed results, it is recommendable to select endosperm corn values (percentage based on grain dry weight) type flour below 36.4 %, type hard greater than 46.4 %; moreover, the retained pericarp should be above 35.8 %. Keywords: Components of variance, heritability, genetic variation coefficient, nixtamal quality, retained pericarp

Keywords

ZA3040-5185, coeficiente de variación genética, pericarpio retenido, Componentes de varianza, calidad de nixtamal, heredabilidad, Information resources (General)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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