Morphological characterization and genetic diversity determination of the creole avocado Persea americana Mill in Parras, Coahuila: Creole avocado Persea americana Mill

Morphological characterization and genetic diversity determination of the creole avocado Persea americana Mill in Parras, Coahuila: Creole avocado Persea americana Mill

In Mexico there are different creole avocado genotypes with high genetic, cultural, and nutritional value. In Parras, Coahuila, the population of creole avocado trees is famous for its flavor and rusticity. This could serve as a source of germplasm, however, there are no scientific studies on its mo...

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Autores principales: Campos-Muzquiz, Lizeth Guadalupe, De León García, Patricia Guadalupe, Flores-Gallegos, Adriana Carolina, Castillo-Godina, Rocío Guadalupe, Rodriguez Herrera, Raul
Formato: Online
Lenguaje:spa
Publicado: Universidad de Sonora 2023
Acceso en línea:https://biotecnia.unison.mx/index.php/biotecnia/article/view/1919
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id biotecnia-article-1919
record_format ojs
institution Biotecnia
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language spa
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author Campos-Muzquiz, Lizeth Guadalupe
De León García, Patricia Guadalupe
Flores-Gallegos, Adriana Carolina
Castillo-Godina, Rocío Guadalupe
Rodriguez Herrera, Raul
spellingShingle Campos-Muzquiz, Lizeth Guadalupe
De León García, Patricia Guadalupe
Flores-Gallegos, Adriana Carolina
Castillo-Godina, Rocío Guadalupe
Rodriguez Herrera, Raul
Morphological characterization and genetic diversity determination of the creole avocado Persea americana Mill in Parras, Coahuila: Creole avocado Persea americana Mill
author_facet Campos-Muzquiz, Lizeth Guadalupe
De León García, Patricia Guadalupe
Flores-Gallegos, Adriana Carolina
Castillo-Godina, Rocío Guadalupe
Rodriguez Herrera, Raul
author_sort Campos-Muzquiz, Lizeth Guadalupe
title Morphological characterization and genetic diversity determination of the creole avocado Persea americana Mill in Parras, Coahuila: Creole avocado Persea americana Mill
title_short Morphological characterization and genetic diversity determination of the creole avocado Persea americana Mill in Parras, Coahuila: Creole avocado Persea americana Mill
title_full Morphological characterization and genetic diversity determination of the creole avocado Persea americana Mill in Parras, Coahuila: Creole avocado Persea americana Mill
title_fullStr Morphological characterization and genetic diversity determination of the creole avocado Persea americana Mill in Parras, Coahuila: Creole avocado Persea americana Mill
title_full_unstemmed Morphological characterization and genetic diversity determination of the creole avocado Persea americana Mill in Parras, Coahuila: Creole avocado Persea americana Mill
title_sort morphological characterization and genetic diversity determination of the creole avocado persea americana mill in parras, coahuila: creole avocado persea americana mill
description In Mexico there are different creole avocado genotypes with high genetic, cultural, and nutritional value. In Parras, Coahuila, the population of creole avocado trees is famous for its flavor and rusticity. This could serve as a source of germplasm, however, there are no scientific studies on its morphology and genetic diversity that establish its genetic value. In this study, thirteen creole avocado trees were sampled. The morphometric characteristics of the fruits and the tree were evaluated. Likewise, their genetic diversity was determined using Inter-Simple Sequence Repeat (ISSR) as molecular markers. Trees showed variations in size, tree shape, girth, branching pattern, and leaf shape. The fruits also presented various morphological differences in size, shape, and seed. When performing a principal component analysis based on these morphological variables, a strong association between seed size and fruit cavity was observed. On the other hand, the population of creole avocado trees presented a genetic diversity of 0.27 and 78% of the loci analyzed presented polymorphisms. In addition, the structure of the population was analyzed using the STRUCTURE program, showing that the trees are grouped into two subpopulations. In conclusion, the creole avocado trees in Parras, Coahuila present high genetic variability, being good candidates as a source of germplasm due to their high genetic value.
publisher Universidad de Sonora
publishDate 2023
url https://biotecnia.unison.mx/index.php/biotecnia/article/view/1919
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spelling biotecnia-article-19192023-09-01T18:35:34Z Morphological characterization and genetic diversity determination of the creole avocado Persea americana Mill in Parras, Coahuila: Creole avocado Persea americana Mill Caracterización morfológica y determinación de la diversidad genética de aguacate criollo Persea americana Mill de Parras, Coahuila: Aguacate criollo Persea americana Mill Campos-Muzquiz, Lizeth Guadalupe De León García, Patricia Guadalupe Flores-Gallegos, Adriana Carolina Castillo-Godina, Rocío Guadalupe Rodriguez Herrera, Raul creole avocado genetic variability Persea polymorphism molecular markers molecular marker aguacate criollo variabilidad genética Persea polimorfismo marcadores moleculares In Mexico there are different creole avocado genotypes with high genetic, cultural, and nutritional value. In Parras, Coahuila, the population of creole avocado trees is famous for its flavor and rusticity. This could serve as a source of germplasm, however, there are no scientific studies on its morphology and genetic diversity that establish its genetic value. In this study, thirteen creole avocado trees were sampled. The morphometric characteristics of the fruits and the tree were evaluated. Likewise, their genetic diversity was determined using Inter-Simple Sequence Repeat (ISSR) as molecular markers. Trees showed variations in size, tree shape, girth, branching pattern, and leaf shape. The fruits also presented various morphological differences in size, shape, and seed. When performing a principal component analysis based on these morphological variables, a strong association between seed size and fruit cavity was observed. On the other hand, the population of creole avocado trees presented a genetic diversity of 0.27 and 78% of the loci analyzed presented polymorphisms. In addition, the structure of the population was analyzed using the STRUCTURE program, showing that the trees are grouped into two subpopulations. In conclusion, the creole avocado trees in Parras, Coahuila present high genetic variability, being good candidates as a source of germplasm due to their high genetic value. En México existen diferentes genotipos criollos de aguacate con gran valor genético, cultural y nutricional. En Parras, Coahuila la población de árboles de aguacate criollo es famosa por su sabor y rusticidad. Esta podría servir como fuente de germoplasma, sin embargo, no existen estudios científicos sobre su morfología y diversidad genética que establezcan su valor genético. En este estudio se muestrearon trece árboles de aguacate criollo. Se les evaluó las características morfométricas de las frutas y del árbol. Asimismo, se determinó la diversidad genética de los mismos utilizando como marcadores moleculares a Inter Secuencias Simples Repetidas o ISSR (Inter-Simple Sequence Repeat). Los árboles mostraron variaciones en el tamaño, en la forma del árbol, en la circunferencia, en el patrón de ramificación y en la forma de la hoja. También las frutas presentaron diversas diferencias morfológicas en tamaño, forma y semilla. Al realizar un análisis de componentes principales basado en estas variables morfológicas se observó una fuerte asociación entre el tamaño de la semilla con la cavidad del fruto. Por otro lado, la población de árboles de aguacates criollo presentó una diversidad genética de 0.27 y el 78% de los loci analizados presentaron polimorfismos. Además, se analizó la estructura de la población utilizando el programa STRUCTURE, en el cual se identificó que los árboles se agrupan en dos subpoblaciones. En conclusión, los árboles de aguacate criollo de Parras, Coahuila presentan alta variabilidad genética siendo estos buenos candidatos como fuente de germoplasma debido a su alto valor genético. Universidad de Sonora 2023-09-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Original peer-reviewed articles Artículos originales evaluados por pares application/pdf text/html image/jpeg https://biotecnia.unison.mx/index.php/biotecnia/article/view/1919 10.18633/biotecnia.v25i3.1919 Biotecnia; Vol. 25 No. 3 (2023): September - December; 48 - 54 Biotecnia; Vol. 25 Núm. 3 (2023): Septiembre - Diciembre; 48 - 54 1665-1456 1665-1456 spa https://biotecnia.unison.mx/index.php/biotecnia/article/view/1919/909 https://biotecnia.unison.mx/index.php/biotecnia/article/view/1919/910 https://biotecnia.unison.mx/index.php/biotecnia/article/view/1919/911 Derechos de autor 2023 https://creativecommons.org/licenses/by-nc-sa/4.0

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