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| 32. | | MALUF, J. R. T.; CUNHA, G. R. da; SILVA, A. V. da. Agroclimatologia do estado do Rio Grande do Sul. I. Comparação entre unidades térmicas acumuladas calculadas em função das temperaturas média diária e média mensal, por quatro métodos de cálculo, para fins agroclimáticos. In: REUNIÃO TÉCNICA ANUAL DO MILHO, 24.; REUNIÃO TÉCNICA ANUAL DO SORGO GRANÍFERO, 8., 1979, Porto Alegre. Ata... Porto Alegre: IPAGRO, 1979. p. 12| Biblioteca(s): Embrapa Trigo. |
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Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
22/10/2012 |
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Data da última atualização: |
01/09/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
FERREIRA, R. T.; VIANA, A. P.; BARROSO, D. G.; RESENDE, M. D. V. de; AMARAL JÚNIOR, A. T. do. |
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Afiliação: |
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. |
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Título: |
Toona ciliata genotype selection with the use of individual BLUP with repeated measures. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Scientia Agricola, v. 69, n. 3, p. 210-216, May/June 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
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. MenosThe 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... Mostrar Tudo |
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Thesagro: |
Cedro Australiano; Seleção Genética; Toona Ciliata. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/68422/1/2012-M.Deon-SA-ToonaCiliata.pdf
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Marc: |
LEADER 02459naa a2200205 a 4500
001 1937365
005 2020-09-01
008 2012 bl uuuu u00u1 u #d
100 1 $aFERREIRA, R. T.
245 $aToona ciliata genotype selection with the use of individual BLUP with repeated measures.$h[electronic resource]
260 $c2012
520 $aThe 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.
650 $aCedro Australiano
650 $aSeleção Genética
650 $aToona Ciliata
700 1 $aVIANA, A. P.
700 1 $aBARROSO, D. G.
700 1 $aRESENDE, M. D. V. de
700 1 $aAMARAL JÚNIOR, A. T. do
773 $tScientia Agricola$gv. 69, n. 3, p. 210-216, May/June 2012.
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Embrapa Florestas (CNPF) |
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