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Registro Completo |
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Biblioteca(s): |
Biblioteca Rui Tendinha. |
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Data corrente: |
20/03/2018 |
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Data da última atualização: |
20/03/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PARTELLI, F. L.; MARRÉ, W. B.; FALQUETO, A. R.; VIEIRA, H. D.; CAVATTI, P. C. |
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Afiliação: |
Fábio Luiz Partelli, UFES; Welington Braida Marré, Incaper; Antelmo Ralph Falqueto, UFES; Henrique Duarte Vieira, UENF; Paulo Cezar Cavatti, UFES. |
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Título: |
Seasonal vegetative growth in genotypes of coffea canephora, as related to climatic factors. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Journal of Agricultural Science, [S.l.], v. 5, n. 8, p. p. 108-116, july 2013. |
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DOI: |
dx.doi.org/10.5539/jas.v5n8p108 |
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Idioma: |
Português |
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Conteúdo: |
Knowledge about the seasonality of different genotypes of Coffea canephora is an important tool for this crop management, particularly with regard to irrigation and fertilisation issues. This study was conducted in Espírito Santo, Brazil and aimed at to evaluate the seasonal vegetative growth in genotypes of C. canephora, as related to climatic factors, based on the growth of groups of orthotropic and plagiotropic branches with different ages. Three groups of plagiotropic branches and one group of orthotropic branches of 14 genotypes (Ipiranga and 13 that belonged to the variety Vitória) were selected and marked to followed along the one-year experiment. Three-year-old plants were cultivated under full-sun conditions, with a spacing of 3 m between rows and 1 m between plants. The growth rates of the orthotropic and plagiotropic branches differed among the genotypes and underwent seasonal variation during the entire year, with high correlations to the air temperature. Under the natural experimental conditions, the growth rate of the branches decreased when the minimum air temperatures were below 17.2ºC for most of the genotypes studied. The plagiotropic branches presented lower vegetative growth, mainly for the coffee berries, compared to the younger branches. Presumably, the genotypes of C. canephora demanded more nutrients for growth between mid-September and the second week of May. |
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Thesaurus NAL: |
Coffea canephora; Different genotypes; Plagiotropic branches; Robusta coffee; Temperature. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://biblioteca.incaper.es.gov.br/digital/bitstream/123456789/3019/1/BRT-seasonalvegetativegrowthgenotypesofcoffeacanephora-marre.pdf
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Marc: |
LEADER 02170naa a2200241 a 4500
001 1019530
005 2018-03-20
008 2013 bl uuuu u00u1 u #d
024 7 $adx.doi.org/10.5539/jas.v5n8p108$2DOI
100 1 $aPARTELLI, F. L.
245 $aSeasonal vegetative growth in genotypes of coffea canephora, as related to climatic factors.$h[electronic resource]
260 $c2013
520 $aKnowledge about the seasonality of different genotypes of Coffea canephora is an important tool for this crop management, particularly with regard to irrigation and fertilisation issues. This study was conducted in Espírito Santo, Brazil and aimed at to evaluate the seasonal vegetative growth in genotypes of C. canephora, as related to climatic factors, based on the growth of groups of orthotropic and plagiotropic branches with different ages. Three groups of plagiotropic branches and one group of orthotropic branches of 14 genotypes (Ipiranga and 13 that belonged to the variety Vitória) were selected and marked to followed along the one-year experiment. Three-year-old plants were cultivated under full-sun conditions, with a spacing of 3 m between rows and 1 m between plants. The growth rates of the orthotropic and plagiotropic branches differed among the genotypes and underwent seasonal variation during the entire year, with high correlations to the air temperature. Under the natural experimental conditions, the growth rate of the branches decreased when the minimum air temperatures were below 17.2ºC for most of the genotypes studied. The plagiotropic branches presented lower vegetative growth, mainly for the coffee berries, compared to the younger branches. Presumably, the genotypes of C. canephora demanded more nutrients for growth between mid-September and the second week of May.
650 $aCoffea canephora
650 $aDifferent genotypes
650 $aPlagiotropic branches
650 $aRobusta coffee
650 $aTemperature
700 1 $aMARRÉ, W. B.
700 1 $aFALQUETO, A. R.
700 1 $aVIEIRA, H. D.
700 1 $aCAVATTI, P. C.
773 $tJournal of Agricultural Science, [S.l.]$gv. 5, n. 8, p. p. 108-116, july 2013.
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Registro original: |
Biblioteca Rui Tendinha (BRT) |
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Registro Completo |
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Biblioteca(s): |
Biblioteca Rui Tendinha. |
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Data corrente: |
20/06/2018 |
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Data da última atualização: |
20/06/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
MOREIRA, S. O.; KUHLCAMP, K. T.; BARRO, F. L. de S.; OLIVEIRA, S. B. de.; TRINDADE, R. dos S. |
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Afiliação: |
Sarah Ola Moreira, Incaper; Karin Tesch Kuhlcamp, Incaper; Fabiola Lacerda de Souza Barros, Incaper; Sabrina Batista de Oliveira, INCAPER; Roberto dos Santos Trindade, Embrapa Milho e Sorgo. |
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Título: |
Path analysis under multicollinearity for papaya production of the solo and Formosa groups. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Revista Brasileira de Fruticultura, Jaboticabal, v. 40, n. 3, p. 1-10, 2018. |
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DOI: |
10.1590/0100-29452018110 |
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Idioma: |
Inglês |
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Conteúdo: |
Correlations and path analysis allow the understanding of the interrelations between characteristics of interest to the plant breeding. However, in order for their results to be reliable, the undesirable effect of multicollinearity must be excluded. The objective of this study was to estimate the correlations and their partitioning in direct and indirect effects, by path analysis, on the fruit production per plant (FP) of papaya from the heterotic Solo and Formosa groups, using two different strategies to circumvent multicollinearity. Eleven agronomic variables were evaluated in twelve papaya genotypes from the Solo group and nine from the Formosa group. Path analysis was obtained with the FP as the basic variable and to eliminate multicollinearity were used the discard of variables and the ridge path analysis. For the Solo group, fruit length and pulp thickness had greater direct effects on FP. In the Formosa group, the number of commercial fruits had a direct and indirect effect on FP. The two methodologies used to circumvent multicollinearity had high coefficient of determination, with better values for the ridge path analysis. The results indicated that the interrelation between the study characters was different in the Solo and Formosa groups. Thus, indirect selection strategies should be specific for each heterotic group.
As correlações e a análise de trilha permitem o entendimento das inter-relações entre características de interesse ao melhoramento de plantas. Porém, para que os resultados dessas análises sejam confiáveis, é preciso excluir o efeito indesejado da multicolinearidade. O objetivo desse trabalho foi estimar as correlações e seus desdobramentos em efeitos diretos e indiretos, pela análise de trilha, sobre a produção de frutos por planta (FP) de mamoeiro dos grupos heteróticos Solo e Formosa, usando duas diferentes estratégias para contornar a multicolinearidade. Foram avaliadas 11 variáveis agronômicas em 12 genótipos de mamoeiro do grupo Solo e nove do grupo Formosa. A análise de trilha foi obtida tendo o FP como variável básica e para eliminar a multicolinearidade foi utilizado o descarte de variáveis e a análise de trilha em crista. Para o grupo Solo, o comprimento do fruto e a espessura da polpa tiveram maiores efeitos diretos sobre o FP. No grupo Formosa, o número de frutos comerciais teve grande efeito direto e indireto sobre FP. As duas metodologias utilizadas para contornar a multicolinearidade tiveram alto coeficiente de determinação, com melhores valores para a análise de trilha em crista. Os resultados indicaram que a inter-relação entre os caracteres em estudo foi diferente nos grupos Solo e Formosa. Assim, as estratégias de seleção indireta devem ser específicas para cada grupo heterótico. MenosCorrelations and path analysis allow the understanding of the interrelations between characteristics of interest to the plant breeding. However, in order for their results to be reliable, the undesirable effect of multicollinearity must be excluded. The objective of this study was to estimate the correlations and their partitioning in direct and indirect effects, by path analysis, on the fruit production per plant (FP) of papaya from the heterotic Solo and Formosa groups, using two different strategies to circumvent multicollinearity. Eleven agronomic variables were evaluated in twelve papaya genotypes from the Solo group and nine from the Formosa group. Path analysis was obtained with the FP as the basic variable and to eliminate multicollinearity were used the discard of variables and the ridge path analysis. For the Solo group, fruit length and pulp thickness had greater direct effects on FP. In the Formosa group, the number of commercial fruits had a direct and indirect effect on FP. The two methodologies used to circumvent multicollinearity had high coefficient of determination, with better values for the ridge path analysis. The results indicated that the interrelation between the study characters was different in the Solo and Formosa groups. Thus, indirect selection strategies should be specific for each heterotic group.
As correlações e a análise de trilha permitem o entendimento das inter-relações entre características de interesse ao melhoramento de plantas. Porém... Mostrar Tudo |
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Palavras-Chave: |
Análise de trilha em crista; Carica papaya L; Correlações; Seleção indireta. |
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Thesaurus NAL: |
Carica papaya L; Correlations; Indirect selection; Ridge path analysis. |
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Categoria do assunto: |
-- |
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URL: |
https://biblioteca.incaper.es.gov.br/digital/bitstream/123456789/3170/1/BRT-pathanalysisundermulticollinearityforpapayaproduction-moreira.pdf
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Marc: |
LEADER 03682naa a2200277 a 4500
001 1020424
005 2018-06-20
008 2018 bl uuuu u00u1 u #d
024 7 $a10.1590/0100-29452018110$2DOI
100 1 $aMOREIRA, S. O.
245 $aPath analysis under multicollinearity for papaya production of the solo and Formosa groups.$h[electronic resource]
260 $c2018
520 $aCorrelations and path analysis allow the understanding of the interrelations between characteristics of interest to the plant breeding. However, in order for their results to be reliable, the undesirable effect of multicollinearity must be excluded. The objective of this study was to estimate the correlations and their partitioning in direct and indirect effects, by path analysis, on the fruit production per plant (FP) of papaya from the heterotic Solo and Formosa groups, using two different strategies to circumvent multicollinearity. Eleven agronomic variables were evaluated in twelve papaya genotypes from the Solo group and nine from the Formosa group. Path analysis was obtained with the FP as the basic variable and to eliminate multicollinearity were used the discard of variables and the ridge path analysis. For the Solo group, fruit length and pulp thickness had greater direct effects on FP. In the Formosa group, the number of commercial fruits had a direct and indirect effect on FP. The two methodologies used to circumvent multicollinearity had high coefficient of determination, with better values for the ridge path analysis. The results indicated that the interrelation between the study characters was different in the Solo and Formosa groups. Thus, indirect selection strategies should be specific for each heterotic group. As correlações e a análise de trilha permitem o entendimento das inter-relações entre características de interesse ao melhoramento de plantas. Porém, para que os resultados dessas análises sejam confiáveis, é preciso excluir o efeito indesejado da multicolinearidade. O objetivo desse trabalho foi estimar as correlações e seus desdobramentos em efeitos diretos e indiretos, pela análise de trilha, sobre a produção de frutos por planta (FP) de mamoeiro dos grupos heteróticos Solo e Formosa, usando duas diferentes estratégias para contornar a multicolinearidade. Foram avaliadas 11 variáveis agronômicas em 12 genótipos de mamoeiro do grupo Solo e nove do grupo Formosa. A análise de trilha foi obtida tendo o FP como variável básica e para eliminar a multicolinearidade foi utilizado o descarte de variáveis e a análise de trilha em crista. Para o grupo Solo, o comprimento do fruto e a espessura da polpa tiveram maiores efeitos diretos sobre o FP. No grupo Formosa, o número de frutos comerciais teve grande efeito direto e indireto sobre FP. As duas metodologias utilizadas para contornar a multicolinearidade tiveram alto coeficiente de determinação, com melhores valores para a análise de trilha em crista. Os resultados indicaram que a inter-relação entre os caracteres em estudo foi diferente nos grupos Solo e Formosa. Assim, as estratégias de seleção indireta devem ser específicas para cada grupo heterótico.
650 $aCarica papaya L
650 $aCorrelations
650 $aIndirect selection
650 $aRidge path analysis
653 $aAnálise de trilha em crista
653 $aCarica papaya L
653 $aCorrelações
653 $aSeleção indireta
700 1 $aKUHLCAMP, K. T.
700 1 $aBARRO, F. L. de S.
700 1 $aOLIVEIRA, S. B. de.
700 1 $aTRINDADE, R. dos S.
773 $tRevista Brasileira de Fruticultura, Jaboticabal$gv. 40, n. 3, p. 1-10, 2018.
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Biblioteca Rui Tendinha (BRT) |
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