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Mantel test in population genetics Genet. Mol. Biol.
Diniz-Filho,José Alexandre F.; Soares,Thannya N.; Lima,Jacqueline S.; Dobrovolski,Ricardo; Landeiro,Victor Lemes; Telles,Mariana Pires de Campos; Rangel,Thiago F.; Bini,Luis Mauricio.
The comparison of genetic divergence or genetic distances, estimated by pairwise F ST and related statistics, with geographical distances by Mantel test is one of the most popular approaches to evaluate spatial processes driving population structure. There have been, however, recent criticisms and discussions on the statistical performance of the Mantel test. Simultaneously, alternative frameworks for data analyses are being proposed. Here, we review the Mantel test and its variations, including Mantel correlograms and partial correlations and regressions. For illustrative purposes, we studied spatial genetic divergence among 25 populations of Dipteryx alata ("Baru"), a tree species endemic to the Cerrado, the Brazilian savannas, based on 8 microsatellite...
Tipo: Info:eu-repo/semantics/article Palavras-chave: "Baru" tree; Genetic distances; Geographical genetics; Partial correlation; Partial regression.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572013000400002
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Univariate and multivariate statistical tools for in vitro conservation of citrus genotypes Agronomy
Carvalho, Mariane de Jesus da Silva de; Souza, Antônio da Silva; Santos, Emanuela Barbosa; Soares Filho, Walter dos Santos; Ledo, Carlos Alberto da Silva; Souza, Fernanda Vidigal Duarte.
This study aimed to evaluate the influence of the growing environment on the in vitro conservation of citrus genotypes obtained from the Active Citrus Germplasm Bank of Embrapa Cassava and Fruit. The study used multivariate statistic tools in order to improve the efficiency in the analysis of the results. Approximately 1-cm of length microcuttings from plantlets derived from ten genotypes previously cultured in vitro were inoculated in test tubes containing 20 mL of WPM culture medium supplemented with 25 g L-1 sucrose, solidified with 7 g L-1 agar and adjusted to a pH of 5.8, and maintained under three environmental conditions for 180 days. The experiment was carried out in a completely randomized design in a split-plot in the space, with 15 replications....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agronomia; Ciências Agrárias multivariate analysis of variance; Partial correlation; Principal component analysis; Germplasm; Citrus spp. Conservação in vitro.
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/26433
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