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DIGITAL.CSIC
Conference object . 2018 . Peer-reviewed
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Mejora del valor agronómico del maíz dulce

Authors: Revilla Temiño, Pedro; Ordás Pérez, Amando; Malvar Pintos, Rosa Ana;

Mejora del valor agronómico del maíz dulce

Abstract

[ES] El maíz dulce alóctono procedente de Norteamérica presenta algunas dificultades cuando se cultiva en la España húmeda. Para resolver este problema se desarrolló un programa de mejora, a partir de líneas puras élite americanas, con el fin de obtener líneas puras de segundo ciclo adaptadas, mejorando principalmente el vigor temprano, la tasa de emergencia y la precocidad. La aptitud combinatoria de estas líneas fue evaluada con probadores adecuados y, a partir de estas evaluaciones, se seleccionaron híbridos para medir la efectividad del programa de mejora comparando estos híbridos con testigos y variedades comerciales en tres ambientes. Estos híbridos mostraron mejor valor agronómico que los testigos de similar ciclo vegetativo. Se concluye que la selección por vigor temprano, nascencia y precocidad ha sido efectiva.

[EN] Exotic sweet corn from North America do not grow properly in humid Spain. To solve this problem a breeding program was undertaken, beginning with exotic elite inbred lines, to obtain adapted, second cycle inbred lines, improving mainly early vigour, emergency rate, and earliness. The combining ability of these lines was evaluated with adequate testers and from these evaluations, hybrids were selected to measure the effectiveness of the breeding program by comparing these hybrids with checks and commercial varieties in three environments. These hybrids performed better than checks having the same growth period. It is concluded that selection for early vigour and earliness has been effective.

Comunicación presentada en las VIII Jornadas de selección y mejora de plantas hortícolas, celebradas en Pontevedra entre el 17 y el 19 de septiembre de 1991.- 6 páginas y 4 tablas.

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Spain
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Keywords

Zea mays, L., Maíz dulce, Agronomic value, Breeding programs, Mejora genética, Sweet corn, Breeding program, Valor agronómico

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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.
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influence
This indicator 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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impulse
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