Genetic parameters of fruit and seed biometric characteristics in Caesalpinia ebano (Fabaceae).

Genetic parameters of fruit and seed biometric characteristics in Caesalpinia ebano (Fabaceae).

The objective of the study was to evaluate the genetic parameters of the biometric characteristics of the fruit and seeds of C. ebano. The investigation was carried out in Montería, Córdoba (Colombia); ten trees were selected and from each, ten fruits taken at random. Variance analysis and estimation of genetic parameters for nine traits were carried out: fresh fruit weight, fruit length, fruit width, fruit thickness, number of seeds/fruit, weight of seeds by fruit, weight of one seed, volume of one seed and density of one seed. Statistical differences (p < 0.01) were detected between trees, for all traits except for width of the fruit and weight of a seed; denoting the existence of genetic variability between trees for fruit weight, fruit length, fruit thickness, number of seeds and density of a seed. The weight and length of the fruit presented the highest family heritability and narrow sense heritability (h2Fam > 82 % and h2E> 30 %). The expected genetic gain was greater than 10 % in five of the nine studied traits, and greater than 20 % for number of seeds and weight of seeds (27.31 and 27.87 %, respectively). The traits fruit weight and length could be transmitted to successive generations, with greater chance of success, by phenotypic selection of trees.

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Main Authors: Castro Torres, Leider José, Blanco Fuentes, Rubén Darío, Espitia Camacho, Miguel Mariano, Ayala, Carlos Cardona, Tatis, Hermes Araméndiz
Format: Digital revista
Language:spa
Published: Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Departamento de Biología 2021
Online Access:https://revistas.unal.edu.co/index.php/actabiol/article/view/85718
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spelling oai:www.revistas.unal.edu.co:article-857182021-09-21T15:28:03Z Genetic parameters of fruit and seed biometric characteristics in Caesalpinia ebano (Fabaceae). PARÁMETROS GENÉTICOS DE CARACTERÍSTICAS BIOMÉTRICAS DEL FRUTO Y SEMILLA EN Caesalpinia ebano (FABACEAE) Castro Torres, Leider José Blanco Fuentes, Rubén Darío Espitia Camacho, Miguel Mariano Ayala, Carlos Cardona Tatis, Hermes Araméndiz Caracteres poligénicos heredabilidad mejoramiento genético silvicultura variación genética Polygenic characters heritability genetic improvement forestry genetic variation The objective of the study was to evaluate the genetic parameters of the biometric characteristics of the fruit and seeds of C. ebano. The investigation was carried out in Montería, Córdoba (Colombia); ten trees were selected and from each, ten fruits taken at random. Variance analysis and estimation of genetic parameters for nine traits were carried out: fresh fruit weight, fruit length, fruit width, fruit thickness, number of seeds/fruit, weight of seeds by fruit, weight of one seed, volume of one seed and density of one seed. Statistical differences (p < 0.01) were detected between trees, for all traits except for width of the fruit and weight of a seed; denoting the existence of genetic variability between trees for fruit weight, fruit length, fruit thickness, number of seeds and density of a seed. The weight and length of the fruit presented the highest family heritability and narrow sense heritability (h2Fam > 82 % and h2E> 30 %). The expected genetic gain was greater than 10 % in five of the nine studied traits, and greater than 20 % for number of seeds and weight of seeds (27.31 and 27.87 %, respectively). The traits fruit weight and length could be transmitted to successive generations, with greater chance of success, by phenotypic selection of trees. El objetivo del estudio fue evaluar los parámetros genéticos de las características biométricas del fruto y semillas de Caesalpinia ebano. La investigación se realizó en Montería (Colombia), se seleccionaron diez árboles, y de cada uno diez, frutos tomados al azar. Se realizaron análisis de varianza y estimación de parámetros genéticos para nueve características: peso fresco del fruto, largo del fruto, ancho del fruto, grosor del fruto, número de semillas/fruto, peso de semillas por fruto, peso de una semilla, volumen de una semilla y densidad de una semilla. Se detectaron diferencias estadísticas (p < 0,01) entre árboles, para todas las características, excepto para el ancho del fruto y peso de una semilla; denotando la existencia de variabilidad genética entre los árboles para peso del fruto, largo del fruto, grosor del fruto, número de semillas y densidad de una semilla. El peso y largo del fruto presentaron la heredabilidad media familiar y heredabilidad en el sentido estricto con los valores más altos (h2Fam > 82 % y h2E > 30 %). La ganancia genética esperada fue mayor del 10 % en cinco de las nueve características estudiadas, y mayor del 20 % para número de semillas y peso de las semillas (27,31 y 27,87 %, respectivamente). Los caracteres peso y largo del fruto se podrían transmitir a las generaciones sucesivas, con mayor posibilidad de éxito, mediante la selección fenotípica de árboles. Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Departamento de Biología 2021-05-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unal.edu.co/index.php/actabiol/article/view/85718 10.15446/abc.v26n3.85718 Acta Biológica Colombiana; Vol. 26 No. 3 (2021); 327 - 334 Acta Biológica Colombiana; Vol. 26 Núm. 3 (2021); 327 - 334 1900-1649 0120-548X spa https://revistas.unal.edu.co/index.php/actabiol/article/view/85718/79799 Derechos de autor 2021 Acta Biológica Colombiana https://creativecommons.org/licenses/by-nc-sa/4.0
institution UNAL
collection OJS
country Colombia
countrycode CO
component Revista
access En linea
databasecode rev-actabol
tag revista
region America del Sur
libraryname Sistema Nacional de Bibliotecas de la UNAL
language spa
format Digital
author Castro Torres, Leider José
Blanco Fuentes, Rubén Darío
Espitia Camacho, Miguel Mariano
Ayala, Carlos Cardona
Tatis, Hermes Araméndiz
spellingShingle Castro Torres, Leider José
Blanco Fuentes, Rubén Darío
Espitia Camacho, Miguel Mariano
Ayala, Carlos Cardona
Tatis, Hermes Araméndiz
Genetic parameters of fruit and seed biometric characteristics in Caesalpinia ebano (Fabaceae).
author_facet Castro Torres, Leider José
Blanco Fuentes, Rubén Darío
Espitia Camacho, Miguel Mariano
Ayala, Carlos Cardona
Tatis, Hermes Araméndiz
author_sort Castro Torres, Leider José
title Genetic parameters of fruit and seed biometric characteristics in Caesalpinia ebano (Fabaceae).
title_short Genetic parameters of fruit and seed biometric characteristics in Caesalpinia ebano (Fabaceae).
title_full Genetic parameters of fruit and seed biometric characteristics in Caesalpinia ebano (Fabaceae).
title_fullStr Genetic parameters of fruit and seed biometric characteristics in Caesalpinia ebano (Fabaceae).
title_full_unstemmed Genetic parameters of fruit and seed biometric characteristics in Caesalpinia ebano (Fabaceae).
title_sort genetic parameters of fruit and seed biometric characteristics in caesalpinia ebano (fabaceae).
description The objective of the study was to evaluate the genetic parameters of the biometric characteristics of the fruit and seeds of C. ebano. The investigation was carried out in Montería, Córdoba (Colombia); ten trees were selected and from each, ten fruits taken at random. Variance analysis and estimation of genetic parameters for nine traits were carried out: fresh fruit weight, fruit length, fruit width, fruit thickness, number of seeds/fruit, weight of seeds by fruit, weight of one seed, volume of one seed and density of one seed. Statistical differences (p < 0.01) were detected between trees, for all traits except for width of the fruit and weight of a seed; denoting the existence of genetic variability between trees for fruit weight, fruit length, fruit thickness, number of seeds and density of a seed. The weight and length of the fruit presented the highest family heritability and narrow sense heritability (h2Fam > 82 % and h2E> 30 %). The expected genetic gain was greater than 10 % in five of the nine studied traits, and greater than 20 % for number of seeds and weight of seeds (27.31 and 27.87 %, respectively). The traits fruit weight and length could be transmitted to successive generations, with greater chance of success, by phenotypic selection of trees.
publisher Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Departamento de Biología
publishDate 2021
url https://revistas.unal.edu.co/index.php/actabiol/article/view/85718
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