Estimation of genetic parameters in cacao tree without raising progenies tests

Estimation of genetic parameters in cacao tree without raising progenies tests

The objective of this work was to estimate genetic parameters in Cacao tree (Theobroma cacao L.) with three years of age, using a hybrid population from IMC 67 x Catongo crosses. Estimates of variances, covariances, genetic and phenotypic correlations and the coefficient of heritability were obtained by using plant height and stem diameter characters. The coefficients of heritability, correlation and determination were high for plant height and low stem diameter. These results were compared with others from usual schemes, showing applicability of the method to cacao tree.

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Main Authors: Valois, Afonso Celso Candeira, Nascimento, José Carlos
Format: Digital revista
Language:por
Published: Pesquisa Agropecuaria Brasileira 2014
Online Access:https://seer.sct.embrapa.br/index.php/pab/article/view/15010
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spelling rev-pab-br-article-150102014-10-30T16:11:56Z Estimation of genetic parameters in cacao tree without raising progenies tests Estimativa de parâmetros genéticos em cacaueiros sem utilização de testes de progênies Valois, Afonso Celso Candeira Nascimento, José Carlos Theobroma cacao; plant breeding Theobroma cacao; melhoramento genético The objective of this work was to estimate genetic parameters in Cacao tree (Theobroma cacao L.) with three years of age, using a hybrid population from IMC 67 x Catongo crosses. Estimates of variances, covariances, genetic and phenotypic correlations and the coefficient of heritability were obtained by using plant height and stem diameter characters. The coefficients of heritability, correlation and determination were high for plant height and low stem diameter. These results were compared with others from usual schemes, showing applicability of the method to cacao tree. O objetivo do trabalho foi a estimação de parâmetros genéticos em cacaueiros (Theobroma cacao L.) com três anos de idade, sem utilizar teste de progênies, em uma população híbrida oriunda de cruzamentos IMC 67 x Catongo. Foram estimadas as variâncias, covariâncias e correlações genéticas e fenotípicas e os coeficientes de herdabilidade usando os caracteres de altura de plantas e diâmetro do caule. A herdabilidade e os coeficientes de correlação e de determinação foram altos para altura e baixos para diâmetro. Esses resultados foram comparados com dados advindos de esquemas usuais, atestando a validade do método para o cacaueiro. Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira 2014-04-17 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://seer.sct.embrapa.br/index.php/pab/article/view/15010 Pesquisa Agropecuaria Brasileira; v.21, n.9, set. 1986; 965-970 Pesquisa Agropecuária Brasileira; v.21, n.9, set. 1986; 965-970 1678-3921 0100-104x por https://seer.sct.embrapa.br/index.php/pab/article/view/15010/8725
institution EMBRAPA
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-pab-br
tag revista
region America del Sur
libraryname Sistema de bibliotecas de EMBRAPA
language por
format Digital
author Valois, Afonso Celso Candeira
Nascimento, José Carlos
spellingShingle Valois, Afonso Celso Candeira
Nascimento, José Carlos
Estimation of genetic parameters in cacao tree without raising progenies tests
author_facet Valois, Afonso Celso Candeira
Nascimento, José Carlos
author_sort Valois, Afonso Celso Candeira
title Estimation of genetic parameters in cacao tree without raising progenies tests
title_short Estimation of genetic parameters in cacao tree without raising progenies tests
title_full Estimation of genetic parameters in cacao tree without raising progenies tests
title_fullStr Estimation of genetic parameters in cacao tree without raising progenies tests
title_full_unstemmed Estimation of genetic parameters in cacao tree without raising progenies tests
title_sort estimation of genetic parameters in cacao tree without raising progenies tests
description The objective of this work was to estimate genetic parameters in Cacao tree (Theobroma cacao L.) with three years of age, using a hybrid population from IMC 67 x Catongo crosses. Estimates of variances, covariances, genetic and phenotypic correlations and the coefficient of heritability were obtained by using plant height and stem diameter characters. The coefficients of heritability, correlation and determination were high for plant height and low stem diameter. These results were compared with others from usual schemes, showing applicability of the method to cacao tree.
publisher Pesquisa Agropecuaria Brasileira
publishDate 2014
url https://seer.sct.embrapa.br/index.php/pab/article/view/15010
work_keys_str_mv AT valoisafonsocelsocandeira estimationofgeneticparametersincacaotreewithoutraisingprogeniestests
AT nascimentojosecarlos estimationofgeneticparametersincacaotreewithoutraisingprogeniestests
AT valoisafonsocelsocandeira estimativadeparametrosgeneticosemcacaueirossemutilizacaodetestesdeprogenies
AT nascimentojosecarlos estimativadeparametrosgeneticosemcacaueirossemutilizacaodetestesdeprogenies
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