2022
DOI: 10.15517/am.v34i1.51177
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Nuevo híbrido trilineal de maíz amarillo duro para el trópico peruano

Abstract: Introducción. El maíz amarillo duro (Zea mays L.) es fuente principal para elaborar alimentos, por lo que se requiere generar híbridos con rendimientos superiores a 2,8 t ha-1 y adaptabilidad climática. Objetivo. Evaluar y comparar el comportamiento agronómico de cinco híbridos trilineales experimentales de maíz amarillo duro y la variedad Marginal 28T, en ocho localidades del trópico peruano. Materiales y métodos. El experimento se realizó en dos fases: de marzo del 2018 a marzo del 2019 en cuatro parcelas de… Show more

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Cited by 2 publications
(5 citation statements)
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“…Both types of heterosis were higher in cross A than in B, because the genetic recombination occurred between two inbred lines in the first case, and between a simple cross and an endogamic line, in the second. This situation coincides with the argument that the heterotic response depends on the genetic background of the genotypes involved in the crossing [18].…”
Section: Resultssupporting
confidence: 87%
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“…Both types of heterosis were higher in cross A than in B, because the genetic recombination occurred between two inbred lines in the first case, and between a simple cross and an endogamic line, in the second. This situation coincides with the argument that the heterotic response depends on the genetic background of the genotypes involved in the crossing [18].…”
Section: Resultssupporting
confidence: 87%
“…The H and HB values of the NS in genotype B also stood out, this evidenced the favorable genetic recombination of the L10 line, which served as a pollinator for the L11L12 simple cross, for seed germination, which combined with the heterosis manifested in RL, RDW, and TDW, conferred favorable characteristics for the establishment of the assessed hybrid in the crop field. This result can be attributed to L10 coming from the Central Valleys of Oaxaca state, Mexico, a different environment from that in the Valley of Mexico, in which L11 and L12 were collected; so the lines belong to dissymbol heterotic groups, whose genetic recombination had a positive effect on the physiological quality of HAZUL 10E [18].…”
Section: Resultsmentioning
confidence: 98%
“…La dosis de aplicación de los biofermentos a base EM-1, CMB, Biol+CMP y Biol+EM-1 se realizaron siguiendo las recomendaciones del producto comercial de microorganismos eficientes (EM-1), usando 1 L de preparado en 20 litros de agua, una mochila pulverizadora manual de palanca. Se realizaron tres aplicaciones las dos primeras se aplicaron vía foliar y suelo en el estado vegetativo V3 (tres hojas verdaderas) y V6 (seis hojas verdaderas), en estas etapas las plantas son pequeñas por debajo de los 50 cm, la última aplicación en estado V9 (nueve hojas verdaderas), se realizó directo al suelo, basándonos en las recomendaciones de Díaz-Chuquizuta et al (2023) y García-Gonzales et al (2020) para maíz amarillo duro en condiciones de selva, debido que la planta en estado V9 presenta mayor altura en dicho estado.…”
Section: Aplicación De Los Biofermentosunclassified
“…Al completar la madurez fisiológica del grano (punto negro), se cosecharon las mazorcas de las hileras centrales, obteniendo el peso de campo utilizando una balanza digital de 50 kg de capacidad con 0.50 kg de precisión. El rendimiento en tꞏha -1 se calculó usando fórmula empelada por Díaz-Chuquizuta et al (2023).…”
Section: Variables Evaluadasunclassified
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