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Revista Fitotecnia Mexicana
Article . 2014 . Peer-reviewed
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ENDOGAMIA EN EL MAÍZ EN LA SELECCIÓN RECURRENTE PARA APTITUD COMBINATORIA

Authors: Fidel Márquez-Sánchez;

ENDOGAMIA EN EL MAÍZ EN LA SELECCIÓN RECURRENTE PARA APTITUD COMBINATORIA

Abstract

En los tres tipos de selección recurrente para aptitud combinatoria en el maíz (Zea mays L.) se usan como unidades de selección a líneas S1, mientras que los criterios de selección son los mestizos hechos por las cruzas entre las unidades de selección y los probadores: una variedad de polinización libre, una línea altamente endogámica y la población B para las líneas S1 derivadas de A, y la población A para las líneas S1 derivadas de B. La endogamia que se genera ocurre por los cruzamientos entre las líneas seleccionadas S1 en los tres tipos de selección recurrente, aunque las líneas S1 no serán las mismas en los tres tipos de selección. En los cálculos que aquí se presentan se usaron 20 líneas S1 y 20 plantas por línea, que produjeron una alta endogamia (0.59) en el ciclo 10 de selección. Para reducir la endogamia a 0.20 basta con hacer solamente dos o tres ciclos de selección.

Keywords

selección recurrente, aptitud combinatoria, Biología, endogamia, Zea mays

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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
Average
Average
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