Morphological and molecular variability in cotton (Gossypium hirsutum L.) genotypes from three geographical origins

Cotton (Gossypium hirsutum L.) has lost variability due to its domestication. For this reason, it is necessary to obtain the molecular and phenotypic characterization of new breeding materials for this species. The objective of this work was to characterize the genetic and phenotypic variability of...

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Autores principales: Klein, Lorena Marina, Etchart, Valeria Juliana, Tcach, Mauricio Alfredo, Gonzales, Ariela Judith, Dileo, Pablo Nahuel, Tcach, Nidya Elisa, Spoljaric, Monica Viviana
Formato: Artículo revista
Lenguaje:Español
Publicado: Facultad de Ciencias Agronómicas - UNR 2022
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Acceso en línea:https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/43
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id I15-R223-article-43
record_format ojs
institution Universidad Nacional de Rosario
institution_str I-15
repository_str R-223
container_title_str Ciencias Agronómicas
language Español
format Artículo revista
topic algodón
variabilidad genética
microsatélites
mapeo de plantas
cotton
genetic variability
microsatellites
plant mapping
algodão
variabilidade genética
microssatélites
mapeamento de plantas
spellingShingle algodón
variabilidad genética
microsatélites
mapeo de plantas
cotton
genetic variability
microsatellites
plant mapping
algodão
variabilidade genética
microssatélites
mapeamento de plantas
Klein, Lorena Marina
Etchart, Valeria Juliana
Tcach, Mauricio Alfredo
Gonzales, Ariela Judith
Dileo, Pablo Nahuel
Tcach, Nidya Elisa
Spoljaric, Monica Viviana
Morphological and molecular variability in cotton (Gossypium hirsutum L.) genotypes from three geographical origins
topic_facet algodón
variabilidad genética
microsatélites
mapeo de plantas
cotton
genetic variability
microsatellites
plant mapping
algodão
variabilidade genética
microssatélites
mapeamento de plantas
author Klein, Lorena Marina
Etchart, Valeria Juliana
Tcach, Mauricio Alfredo
Gonzales, Ariela Judith
Dileo, Pablo Nahuel
Tcach, Nidya Elisa
Spoljaric, Monica Viviana
author_facet Klein, Lorena Marina
Etchart, Valeria Juliana
Tcach, Mauricio Alfredo
Gonzales, Ariela Judith
Dileo, Pablo Nahuel
Tcach, Nidya Elisa
Spoljaric, Monica Viviana
author_sort Klein, Lorena Marina
title Morphological and molecular variability in cotton (Gossypium hirsutum L.) genotypes from three geographical origins
title_short Morphological and molecular variability in cotton (Gossypium hirsutum L.) genotypes from three geographical origins
title_full Morphological and molecular variability in cotton (Gossypium hirsutum L.) genotypes from three geographical origins
title_fullStr Morphological and molecular variability in cotton (Gossypium hirsutum L.) genotypes from three geographical origins
title_full_unstemmed Morphological and molecular variability in cotton (Gossypium hirsutum L.) genotypes from three geographical origins
title_sort morphological and molecular variability in cotton (gossypium hirsutum l.) genotypes from three geographical origins
description Cotton (Gossypium hirsutum L.) has lost variability due to its domestication. For this reason, it is necessary to obtain the molecular and phenotypic characterization of new breeding materials for this species. The objective of this work was to characterize the genetic and phenotypic variability of 18 accessions from Argentina, the United States, and China. The materials belong to the INTA (Argentina’s Agricultural Technology Institute) genebank and are used for breeding programs. Sixteen pairs of microsatellite oligonucleotides were used for the study. For the phenotypic characterization, variables associated with mapping were used in two cropping seasons (2015-2016 and 2016-2017) in the INTA experimental field in Sáenz Peña, province of Chaco, Argentina. The genetic results showed medium/high values of polymorphism (62.22%), and the dendrogram showed two groups: one made up of Stoneville 474 (United States) and eight genotypes from China, and a second group made up of Deltapine 16 (United States), the genotypes from Argentina, and one genotype from China. The phenotypic results obtained through Principal Components Analysis showed significant differences between cropping seasons, while no significant differences were detected between geographical origins. The morphological characters of accessions from the three different geographical origins were similar. However, genetic differentiation was found between the microsatellites analyzed, with accessions BGSP 756, BGSP 767 and BGSP 783 from China exhibiting higher genetic distances than materials from both Argentina and the United States. Our results support the introduction of cotton germplasm from China for INTA's breeding program.
publisher Facultad de Ciencias Agronómicas - UNR
publishDate 2022
url https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/43
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first_indexed 2023-05-16T22:17:47Z
last_indexed 2025-09-04T05:07:11Z
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spelling I15-R223-article-432025-07-21T12:49:07Z Morphological and molecular variability in cotton (Gossypium hirsutum L.) genotypes from three geographical origins Variabilidad morfológica y molecular en genotipos de algodón (Gossypium hirsutum L.) de tres orígenes geográficos diferentes Variabilidade morfológica e molecular em genótipos de algodão (Gossypium hirsutum L.) de três origens geográficas diferentes Klein, Lorena Marina Etchart, Valeria Juliana Tcach, Mauricio Alfredo Gonzales, Ariela Judith Dileo, Pablo Nahuel Tcach, Nidya Elisa Spoljaric, Monica Viviana algodón variabilidad genética microsatélites mapeo de plantas cotton genetic variability microsatellites plant mapping algodão variabilidade genética microssatélites mapeamento de plantas Cotton (Gossypium hirsutum L.) has lost variability due to its domestication. For this reason, it is necessary to obtain the molecular and phenotypic characterization of new breeding materials for this species. The objective of this work was to characterize the genetic and phenotypic variability of 18 accessions from Argentina, the United States, and China. The materials belong to the INTA (Argentina’s Agricultural Technology Institute) genebank and are used for breeding programs. Sixteen pairs of microsatellite oligonucleotides were used for the study. For the phenotypic characterization, variables associated with mapping were used in two cropping seasons (2015-2016 and 2016-2017) in the INTA experimental field in Sáenz Peña, province of Chaco, Argentina. The genetic results showed medium/high values of polymorphism (62.22%), and the dendrogram showed two groups: one made up of Stoneville 474 (United States) and eight genotypes from China, and a second group made up of Deltapine 16 (United States), the genotypes from Argentina, and one genotype from China. The phenotypic results obtained through Principal Components Analysis showed significant differences between cropping seasons, while no significant differences were detected between geographical origins. The morphological characters of accessions from the three different geographical origins were similar. However, genetic differentiation was found between the microsatellites analyzed, with accessions BGSP 756, BGSP 767 and BGSP 783 from China exhibiting higher genetic distances than materials from both Argentina and the United States. Our results support the introduction of cotton germplasm from China for INTA's breeding program. El algodón (Gossypium hirsutum L.) ha perdido variabilidad debido a su proceso de domesticación. Por esta razón, es necesaria la caracterización molecular y fenotípica de nuevos materiales para los programas de mejoramiento genético de esta especie. El objetivo de este trabajo fue caracterizar la variabilidad de 18 accesiones de tres orígenes geográficos Argentina, Estados Unidos y China por características genéticas y fenotípicas. Los materiales pertenecen al Banco de germoplasma de INTA y se utilizan en el programa de mejoramiento. Para el estudio genético se utilizaron 16 pares de oligonucleòtidos microsatélites.  En la caracterización fenotípica se utilizaron variables asociadas al mapeo en dos campañas agrícolas (2015/2016 y 2016/2017) realizadas en el campo de INTA EEA Sáenz Peña. Los resultados genéticos mostraron valores medios/altos de polimorfismo (62,22%) y en el dendrograma se observaron dos grupos; uno representado por Stoneville 474 (Estados Unidos) y ocho genotipos de China y un segundo grupo formado por Deltapine 16 (Estados Unidos), los genotipos de Argentina y un genotipo de China. Los resultados fenotípicos en un análisis multivariado de Componentes Principales entre campañas agrícolas presentaron diferencias significativas, mientras que fueron no significativas entre los diferentes orígenes geográficos. Se concluye que existe uniformidad en los caracteres morfológicos en los tres orígenes geográficos y diferenciación genética a partir del análisis molecular siendo las accesiones BGSP 756, BGSP 767 y BGSP 783 de China las que presentaron mayores distancias con respecto a los materiales de Argentina y Estados Unidos; justificando la introducción de germoplasma de origen de China al programa de mejoramiento de INTA. O algodão (Gossypium hirsutum L.) perdeu variabilidade devido ao seu processo de domesticação. Por esta razão, a caracterização molecular e fenotípica de novos materiais é necessária para os programas de melhoramento genético desta espécie. O objetivo deste trabalho foi caracterizar a variabilidade de 18 acessos de três origens geográficas Argentina, Estados Unidos e China por características genéticas e fenotípicas. Os materiais pertencem ao Banco de Germoplasma do INTA e são utilizados no programa de melhoramento. Para o estudo genético, foram utilizados 16 pares de oligonucleotídeos microssatélites. Na caracterização fenotípica, foram utilizadas variáveis ​​associadas ao mapeamento em duas campanhas agrícolas (2015/2016 e 2016/2017) realizadas no campo do INTA EEA Sáenz Peña. Os resultados genéticos mostraram valores de polimorfismo médio/alto (62,22%) e no dendrograma foram observados dois grupos; um representado por Stoneville 474 (Estados Unidos) e oito genótipos da China e um segundo grupo formado por Deltapine 16 (Estados Unidos), os genótipos da Argentina e um genótipo da China. Os resultados fenotípicos numa análise multivariada dos Componentes Principais entre campanhas agrícolas, apresentaram diferenças significativas, enquanto entre as diferentes origens geográficas não foram significativas. Conclui-se que existe uniformidade nos caracteres morfológicos nas três origens geográficas e diferenciação genética a partir da análise molecular, sendo os acessos BGSP 756, BGSP 767 e BGSP 783 da China os que apresentavam maiores distâncias em relação aos materiais da Argentina e dos Estados Unidos; justificando a introdução de germoplasma de origem chinesa no programa de melhoramento do INTA. Facultad de Ciencias Agronómicas - UNR 2022-12-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo evaluado por pares text/html application/pdf https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/43 10.35305/agro40.e025 Ciencias Agronómicas; Núm. 40 (22): 2022; e025 2250-8872 1853-4333 spa https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/43/46 https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/43/52 https://creativecommons.org/licenses/by-nc-sa/4.0