Effects of heterosis on native populations of maize and their F1 crosses

Effects of heterosis on native populations of maize and their F1 crosses

ABSTRACT With the aim of quantifying the average Heterosis (Hp)and determine the effects of varietal heterosis (hj)and specific heterosis (sjj´) seven progenitor populations of native maize were used and their 21 direct crosses. The 28 maize genotypes were evaluated in three environments in the stat...

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Glavni autori: Cervantes Adame, Yessica Flor, Rebolloza Hernádez, Hermes, Broa Rojas, Elizabeth, Olvera Velona, Angeluz, Bahena Delgado, Gregorio
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Izdano: Universidad de Sonora 2020
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spelling biotecnia-article-9922022-05-31T17:20:08Z Effects of heterosis on native populations of maize and their F1 crosses Efectos de heterosis en poblaciones nativas de maíz y sus cruzas F1 Cervantes Adame, Yessica Flor Rebolloza Hernádez, Hermes Broa Rojas, Elizabeth Olvera Velona, Angeluz Bahena Delgado, Gregorio varietal effect crosses yield efecto varietal cruzas rendimiento ABSTRACT With the aim of quantifying the average Heterosis (Hp)and determine the effects of varietal heterosis (hj)and specific heterosis (sjj´) seven progenitor populations of native maize were used and their 21 direct crosses. The 28 maize genotypes were evaluated in three environments in the state of Morelos (Ayala-O/I-2012/2013, Ayala-P/V-2013 and Tepalcingo-P/V-2013). The experimental design, were complete blocks at random with three repetitions. Four variables were measured and subjected to a combined variance analysis, mean comparison (DMS0.01), Hp was calculated as a percentage, and the varietal heterosis and specific heterosis were determined by the Gardner and Eberhart method. In the percentage expression the Cross-17 presented positive values in Hp in the variables of GM (19.16), HM (11.81), P100G (7.77) and RG (5.36). In the (hj) the progenitors with greater varietal effect were BCP1 and CB029, both impacted in the formation of crosses with the highest sjj´ values as the Cross-26 and Cross-56 this for RG and GM. This allows the selection of native maize populations to improve characteristics related to grain yield through inter-population crossing. RESUMEN Con el objetivo de cuantificar la Heterosis Panmíctica (Hp) y determinar los efectos de Heterosis Varietal (Vj) y Heterosis especifica (sjj´), se utilizaron siete poblaciones de maíz nativo y sus 21 cruzas directas. Los 28 genotipos de maíz se evaluaron en tres ambientes del estado de Morelos (Ayala-O/I-2012/2013, Ayala-P/V-2013 y Tepalcingo-P/V-2013). El diseño experimental fue bloques completos al azar con tres repeticiones. Se midieron cuatro variables y se sometieron a un análisis de varianza combinado, comparación de medias (DMS0.01), la Hp se calculo de manera porcentual, la Heterosis varietal y Heterosis específica se determinaron por el método de Gardner y Eberhart. En la expresión porcentual la Cruza-17 presentó valores positivos en Hp en las variables de GM (19.16), HM (11.81), P100G (7.77) y RG (5.36). En la (Vj´) los progenitores con mayor efecto fueron BCP1 (5) y CB029 (6), ambos impactaron en la formación de cruzas con los valores más altos de (sjj´) como la Cruza-26 y Cruza-56 esto para RG y GM. Lo anterior permite la selección de poblaciones nativas de maíz para mejorar características relacionadas al rendimiento de grano mediante el cruzamiento inter-poblacional. Palabras clave:efecto varietal, cruzas, rendimiento Universidad de Sonora 2020-09-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Original peer-reviewed articles Artículos originales evaluados por pares application/pdf text/xml https://biotecnia.unison.mx/index.php/biotecnia/article/view/992 10.18633/biotecnia.v22i3.992 Biotecnia; Vol. 22 No. 3 (2020): Septiembre-Diciembre; 11-19 Biotecnia; Vol. 22 Núm. 3 (2020): Septiembre-Diciembre; 11-19 1665-1456 1665-1456 spa https://biotecnia.unison.mx/index.php/biotecnia/article/view/992/447 https://biotecnia.unison.mx/index.php/biotecnia/article/view/992/502 Derechos de autor 2020 Biotecnia
institution Biotecnia
collection OJS
language spa
format Online
author Cervantes Adame, Yessica Flor
Rebolloza Hernádez, Hermes
Broa Rojas, Elizabeth
Olvera Velona, Angeluz
Bahena Delgado, Gregorio
spellingShingle Cervantes Adame, Yessica Flor
Rebolloza Hernádez, Hermes
Broa Rojas, Elizabeth
Olvera Velona, Angeluz
Bahena Delgado, Gregorio
Effects of heterosis on native populations of maize and their F1 crosses
author_facet Cervantes Adame, Yessica Flor
Rebolloza Hernádez, Hermes
Broa Rojas, Elizabeth
Olvera Velona, Angeluz
Bahena Delgado, Gregorio
author_sort Cervantes Adame, Yessica Flor
title Effects of heterosis on native populations of maize and their F1 crosses
title_short Effects of heterosis on native populations of maize and their F1 crosses
title_full Effects of heterosis on native populations of maize and their F1 crosses
title_fullStr Effects of heterosis on native populations of maize and their F1 crosses
title_full_unstemmed Effects of heterosis on native populations of maize and their F1 crosses
title_sort effects of heterosis on native populations of maize and their f1 crosses
description ABSTRACT With the aim of quantifying the average Heterosis (Hp)and determine the effects of varietal heterosis (hj)and specific heterosis (sjj´) seven progenitor populations of native maize were used and their 21 direct crosses. The 28 maize genotypes were evaluated in three environments in the state of Morelos (Ayala-O/I-2012/2013, Ayala-P/V-2013 and Tepalcingo-P/V-2013). The experimental design, were complete blocks at random with three repetitions. Four variables were measured and subjected to a combined variance analysis, mean comparison (DMS0.01), Hp was calculated as a percentage, and the varietal heterosis and specific heterosis were determined by the Gardner and Eberhart method. In the percentage expression the Cross-17 presented positive values in Hp in the variables of GM (19.16), HM (11.81), P100G (7.77) and RG (5.36). In the (hj) the progenitors with greater varietal effect were BCP1 and CB029, both impacted in the formation of crosses with the highest sjj´ values as the Cross-26 and Cross-56 this for RG and GM. This allows the selection of native maize populations to improve characteristics related to grain yield through inter-population crossing.
publisher Universidad de Sonora
publishDate 2020
url https://biotecnia.unison.mx/index.php/biotecnia/article/view/992
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