Toona ciliata genotype selection with the use of individual BLUP with repeated measures.
The increasing demand for raw material for multiple uses of forest products and by-products has attracted the interest for fast growing species, such as the Australian Cedar (Toona ciliata), which presents high productive and economic potential. This study aimed at estimating genotypic parameters and values for the species through the use of the BLUP procedure, at individual level, with repeated measures, by means of the conventional evaluation procedures and the introduction of innovative digitalization of the measurements by digital camera with the images provided by the Imagej software system. The main objective is to subsidize the beginning of a breeding program for the species. The assays were carried out in private properties, in plantations located in the state of Rio de Janeiro, Brazil. The results generated by three evaluations revealed that the image digital analysis is adequate to quantify characteristics of Toona ciliata. It is also an effective and accurate alternative to minimize the costs of data collection in evaluations with the species. There was high accuracy for the characters plant height, diameter at breast height and cylindrical volume. Out of the 90 genotypes evaluated, 38 expressed genotypic values predicted for the diameter at breast height higher than the general average of this character, 33 for the cylindrical volume and 49 for height, allowing gains of up to 24.9 % in average for cylindrical volume. The method of mixed models (REML/BLUP) applied via the SELEGEN software system, using the BLUP procedure at individual level and repeated measures in each individual proved to be adequate to estimate the genetic parameters and predict genotypic values in situations of unbalanced data. Therefore, it is very useful and practical for Toona ciliata genetic breeding programs.
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2012-10-22
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Subjects: | Cedro Australiano, Seleção Genética, Toona Ciliata, |
Online Access: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/937365 |
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dig-alice-doc-9373652020-09-02T04:39:09Z Toona ciliata genotype selection with the use of individual BLUP with repeated measures. FERREIRA, R. T. VIANA, A. P. BARROSO, D. G. RESENDE, M. D. V. de AMARAL JÚNIOR, A. T. do RULFE TAVARES FERREIRA, UENF/CCTA; ALEXANDRE PIO VIANA, UENF/CCTA; DÉBORA GUERRA BARROSO, UENF/CCTA; MARCOS DEON VILELA DE RESENDE, CNPF; ANTONIO TEIXEIRA DO AMARAL JÚNIOR, UENF/CCTA. Cedro Australiano Seleção Genética Toona Ciliata The increasing demand for raw material for multiple uses of forest products and by-products has attracted the interest for fast growing species, such as the Australian Cedar (Toona ciliata), which presents high productive and economic potential. This study aimed at estimating genotypic parameters and values for the species through the use of the BLUP procedure, at individual level, with repeated measures, by means of the conventional evaluation procedures and the introduction of innovative digitalization of the measurements by digital camera with the images provided by the Imagej software system. The main objective is to subsidize the beginning of a breeding program for the species. The assays were carried out in private properties, in plantations located in the state of Rio de Janeiro, Brazil. The results generated by three evaluations revealed that the image digital analysis is adequate to quantify characteristics of Toona ciliata. It is also an effective and accurate alternative to minimize the costs of data collection in evaluations with the species. There was high accuracy for the characters plant height, diameter at breast height and cylindrical volume. Out of the 90 genotypes evaluated, 38 expressed genotypic values predicted for the diameter at breast height higher than the general average of this character, 33 for the cylindrical volume and 49 for height, allowing gains of up to 24.9 % in average for cylindrical volume. The method of mixed models (REML/BLUP) applied via the SELEGEN software system, using the BLUP procedure at individual level and repeated measures in each individual proved to be adequate to estimate the genetic parameters and predict genotypic values in situations of unbalanced data. Therefore, it is very useful and practical for Toona ciliata genetic breeding programs. 2020-09-02T04:39:03Z 2020-09-02T04:39:03Z 2012-10-22 2012 Separatas Scientia Agricola, v. 69, n. 3, p. 210-216, May/June 2012. http://www.alice.cnptia.embrapa.br/alice/handle/doc/937365 Ingles en openAccess |
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Cedro Australiano Seleção Genética Toona Ciliata Cedro Australiano Seleção Genética Toona Ciliata |
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Cedro Australiano Seleção Genética Toona Ciliata Cedro Australiano Seleção Genética Toona Ciliata FERREIRA, R. T. VIANA, A. P. BARROSO, D. G. RESENDE, M. D. V. de AMARAL JÚNIOR, A. T. do Toona ciliata genotype selection with the use of individual BLUP with repeated measures. |
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The increasing demand for raw material for multiple uses of forest products and by-products has attracted the interest for fast growing species, such as the Australian Cedar (Toona ciliata), which presents high productive and economic potential. This study aimed at estimating genotypic parameters and values for the species through the use of the BLUP procedure, at individual level, with repeated measures, by means of the conventional evaluation procedures and the introduction of innovative digitalization of the measurements by digital camera with the images provided by the Imagej software system. The main objective is to subsidize the beginning of a breeding program for the species. The assays were carried out in private properties, in plantations located in the state of Rio de Janeiro, Brazil. The results generated by three evaluations revealed that the image digital analysis is adequate to quantify characteristics of Toona ciliata. It is also an effective and accurate alternative to minimize the costs of data collection in evaluations with the species. There was high accuracy for the characters plant height, diameter at breast height and cylindrical volume. Out of the 90 genotypes evaluated, 38 expressed genotypic values predicted for the diameter at breast height higher than the general average of this character, 33 for the cylindrical volume and 49 for height, allowing gains of up to 24.9 % in average for cylindrical volume. The method of mixed models (REML/BLUP) applied via the SELEGEN software system, using the BLUP procedure at individual level and repeated measures in each individual proved to be adequate to estimate the genetic parameters and predict genotypic values in situations of unbalanced data. Therefore, it is very useful and practical for Toona ciliata genetic breeding programs. |
author2 |
RULFE TAVARES FERREIRA, UENF/CCTA; ALEXANDRE PIO VIANA, UENF/CCTA; DÉBORA GUERRA BARROSO, UENF/CCTA; MARCOS DEON VILELA DE RESENDE, CNPF; ANTONIO TEIXEIRA DO AMARAL JÚNIOR, UENF/CCTA. |
author_facet |
RULFE TAVARES FERREIRA, UENF/CCTA; ALEXANDRE PIO VIANA, UENF/CCTA; DÉBORA GUERRA BARROSO, UENF/CCTA; MARCOS DEON VILELA DE RESENDE, CNPF; ANTONIO TEIXEIRA DO AMARAL JÚNIOR, UENF/CCTA. FERREIRA, R. T. VIANA, A. P. BARROSO, D. G. RESENDE, M. D. V. de AMARAL JÚNIOR, A. T. do |
format |
Separatas |
topic_facet |
Cedro Australiano Seleção Genética Toona Ciliata |
author |
FERREIRA, R. T. VIANA, A. P. BARROSO, D. G. RESENDE, M. D. V. de AMARAL JÚNIOR, A. T. do |
author_sort |
FERREIRA, R. T. |
title |
Toona ciliata genotype selection with the use of individual BLUP with repeated measures. |
title_short |
Toona ciliata genotype selection with the use of individual BLUP with repeated measures. |
title_full |
Toona ciliata genotype selection with the use of individual BLUP with repeated measures. |
title_fullStr |
Toona ciliata genotype selection with the use of individual BLUP with repeated measures. |
title_full_unstemmed |
Toona ciliata genotype selection with the use of individual BLUP with repeated measures. |
title_sort |
toona ciliata genotype selection with the use of individual blup with repeated measures. |
publishDate |
2012-10-22 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/937365 |
work_keys_str_mv |
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