Agronomic performance of maize (Zea mays L.) populations segregating the polyembryony mutant
The maize polyembryony (PEm) is phenotypically expressed when the seed germinates in two or more seedlings simultaneously, which in turn develops the capacity to overcome the close competition among sisters and neighboring plants. Because of that, it is thought that the inclusion of PEm in some new...
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| Formato: | Online |
| Lenguaje: | eng spa |
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Facultad de Ciencias Agrarias-UNCuyo
2019
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| Acceso en línea: | https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2329 |
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I11-R107article-2329 |
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Universidad Nacional de Cuyo |
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Revistas en línea |
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Revistas en línea |
| collection |
Revista de la Facultad de Ciencias Agrarias |
| journal_title_str |
Revista de la Facultad de Ciencias Agrarias |
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I-11 |
| repository_str |
R-107 |
| language |
eng spa |
| format |
Online |
| author |
Alcalá-Rico, Juan Samuel Guadalupe Jesús Espinoza-Velázquez, José López-Benítez, Alfonso Borrego-Escalante, Fernando Rodriguez-Herrera, Raul Hernández-Martínez, Rosendo |
| spellingShingle |
Alcalá-Rico, Juan Samuel Guadalupe Jesús Espinoza-Velázquez, José López-Benítez, Alfonso Borrego-Escalante, Fernando Rodriguez-Herrera, Raul Hernández-Martínez, Rosendo Agronomic performance of maize (Zea mays L.) populations segregating the polyembryony mutant Zea mays poliembrionía modelo de herencia, ensayo de rendimiento potencial de rendimiento densidad de plantas dosis de fertilización Zea mays polyembryony inheritance model, performance assay yield potential plant density fertilization doses |
| author_facet |
Alcalá-Rico, Juan Samuel Guadalupe Jesús Espinoza-Velázquez, José López-Benítez, Alfonso Borrego-Escalante, Fernando Rodriguez-Herrera, Raul Hernández-Martínez, Rosendo |
| author_sort |
Alcalá-Rico, Juan Samuel Guadalupe Jesús |
| title |
Agronomic performance of maize (Zea mays L.) populations segregating the polyembryony mutant |
| title_short |
Agronomic performance of maize (Zea mays L.) populations segregating the polyembryony mutant |
| title_full |
Agronomic performance of maize (Zea mays L.) populations segregating the polyembryony mutant |
| title_fullStr |
Agronomic performance of maize (Zea mays L.) populations segregating the polyembryony mutant |
| title_full_unstemmed |
Agronomic performance of maize (Zea mays L.) populations segregating the polyembryony mutant |
| title_sort |
agronomic performance of maize (zea mays l.) populations segregating the polyembryony mutant |
| description |
The maize polyembryony (PEm) is phenotypically expressed when the seed germinates in two or more seedlings simultaneously, which in turn develops the capacity to overcome the close competition among sisters and neighboring plants. Because of that, it is thought that the inclusion of PEm in some new maize varieties can be useful looking for high yields and corn grain quality as a response to the global food demand. This research is about the PEm inheritance, the inclusion, recovery of polyembryony in segregating populations, and exploring their performance capacity. The foundation populations were the progenies from crosses among polyembryonic sources and inbred lines, producing several F1 groups, and from each the proper F2, and G3 and G4 generations. The latter two were developed through successive positive assortative matings (AM+). G3 populations were used to generate diallel crossings, Griffing’s method 4, and part of them were evaluated in a performance assay, using a complete block design with a split-split plot arrangement. Results supported a validation of the inheritance model proposed for this sort of polyembryony, which states that the trait is controlled by two independent loci, under epistatic interaction of the type "duplicate gene action". Moreover, the arbitrarily handling of sexual reproduction in F2 plants and in G3 and G4 generations through positive assortative matings (AM+) increased the PEm frequency on an average up to 40 % in G4, departing from the 4.9 % in F2. Also, the performance assay shown a yield potential of the trait. The PEm mutant might be useful in maize production. |
| publisher |
Facultad de Ciencias Agrarias-UNCuyo |
| publishDate |
2019 |
| url |
https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2329 |
| topic |
Zea mays poliembrionía modelo de herencia, ensayo de rendimiento potencial de rendimiento densidad de plantas dosis de fertilización Zea mays polyembryony inheritance model, performance assay yield potential plant density fertilization doses |
| topic_facet |
Zea mays poliembrionía modelo de herencia, ensayo de rendimiento potencial de rendimiento densidad de plantas dosis de fertilización Zea mays polyembryony inheritance model, performance assay yield potential plant density fertilization doses |
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| _version_ |
1800220874541891584 |
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I11-R107article-23292019-12-18T16:05:43Z Agronomic performance of maize (Zea mays L.) populations segregating the polyembryony mutant Agronomic performance of maize (Zea mays L.) populations segregating the polyembryony mutant Alcalá-Rico, Juan Samuel Guadalupe Jesús Espinoza-Velázquez, José López-Benítez, Alfonso Borrego-Escalante, Fernando Rodriguez-Herrera, Raul Hernández-Martínez, Rosendo Zea mays poliembrionía modelo de herencia, ensayo de rendimiento potencial de rendimiento densidad de plantas dosis de fertilización Zea mays polyembryony inheritance model, performance assay yield potential plant density fertilization doses The maize polyembryony (PEm) is phenotypically expressed when the seed germinates in two or more seedlings simultaneously, which in turn develops the capacity to overcome the close competition among sisters and neighboring plants. Because of that, it is thought that the inclusion of PEm in some new maize varieties can be useful looking for high yields and corn grain quality as a response to the global food demand. This research is about the PEm inheritance, the inclusion, recovery of polyembryony in segregating populations, and exploring their performance capacity. The foundation populations were the progenies from crosses among polyembryonic sources and inbred lines, producing several F1 groups, and from each the proper F2, and G3 and G4 generations. The latter two were developed through successive positive assortative matings (AM+). G3 populations were used to generate diallel crossings, Griffing’s method 4, and part of them were evaluated in a performance assay, using a complete block design with a split-split plot arrangement. Results supported a validation of the inheritance model proposed for this sort of polyembryony, which states that the trait is controlled by two independent loci, under epistatic interaction of the type "duplicate gene action". Moreover, the arbitrarily handling of sexual reproduction in F2 plants and in G3 and G4 generations through positive assortative matings (AM+) increased the PEm frequency on an average up to 40 % in G4, departing from the 4.9 % in F2. Also, the performance assay shown a yield potential of the trait. The PEm mutant might be useful in maize production. The maize polyembryony (PEm) is phenotypically expressed when the seed germinates in two or more seedlings simultaneously, which in turn develops the capacity to overcome the close competition among sisters and neighboring plants. Because of that, it is thought that the inclusion of PEm in some new maize varieties can be useful looking for high yields and corn grain quality as a response to the global food demand. This research is about the PEm inheritance, the inclusion, recovery of polyembryony in segregating populations, and exploring their performance capacity. The foundation populations were the progenies from crosses among polyembryonic sources and inbred lines, producing several F1 groups, and from each the proper F2, and G3 and G4 generations. The latter two were developed through successive positive assortative matings (AM+). G3 populations were used to generate diallel crossings, Griffing’s method 4, and part of them were evaluated in a performance assay, using a complete block design with a split-split plot arrangement. Results supported a validation of the inheritance model proposed for this sort of polyembryony, which states that the trait is controlled by two independent loci, under epistatic interaction of the type "duplicate gene action". Moreover, the arbitrarily handling of sexual reproduction in F2 plants and in G3 and G4 generations through positive assortative matings (AM+) increased the PEm frequency on an average up to 40 % in G4, departing from the 4.9 % in F2. Also, the performance assay shown a yield potential of the trait. The PEm mutant might be useful in maize production. Facultad de Ciencias Agrarias-UNCuyo 2019-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2329 Revista de la Facultad de Ciencias Agrarias UNCuyo; Vol. 51 No. 1 (2019): January-June; 1-18 Revista de la Facultad de Ciencias Agrarias UNCuyo; Vol. 51 Núm. 1 (2019): Enero-Junio; 1-18 1853-8665 0370-4661 eng spa https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2329/1700 https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2329/1706 |
