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Modificaciones filotáxicas en maíz. II

Authors: Blanco González, Mariano; Lorenzo Andreu, Antonio; Blanco González, José Luis;

Modificaciones filotáxicas en maíz. II

Abstract

[ES] Se exponen los resultados obtenidos en la F1. F2 y retrocruza­mientos utilizando material de maíz que presenta distintas alte­raciones de filotaxia. Se estudia la segregación y expresividad de algunos caracteres, entre los que se incluye la presencia de gérme­nes múltiples, con objeto de intentar definir la naturaleza heredi­taria del carácter o caracteres en cuestión. La complejidad de los resultados obtenidos da idea de la difi­cultad del problema. No obstante, parece ser que en autofecun­dación de material consanguíneo, las plantas normales dan siem­pre descendencia normal, mientras que las anormales pueden dar cualquier tipo de anormalidad, si bien las de gérmenes múltiples sólo lo hacen cuando son a la vez anormales. En los cruzamientos realizados en ambos sentidos entre plantas normales y anormales, la descendencia aparece siempre normal, independientemente de la naturaleza de la anormalidad. En la F2 se pone de manifiesto la existencia de segregación de las anormalidades estudiadas.

[EN] Observations were made on F1, F2 and backcrossed maize plants of mo­dified phyllotaxis including plurality of embryos. Selfing normal inbred material, the offspring was normal, while the selfed abnormal plants gave origin to every type of abnormality. However, the ma­terial with plurality of embryos gave abnormal plants only when the corres­ponding selfed plant presented another abnormality at the same time. Crossing abnormal with normal plants, in both directions, the resulting offspring was normal. Segrngation of abnormalities was clearly manifested in the F2 plants.

8 Pags.- 3 Figs.- 3 Cuadrs.

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selected citations
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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).
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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.
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