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Comparison of multiallelic distances for the quantification of genetic diversity in the papaya - doi: 10.4025/actasciagron.v33i1.11698 Agronomy
Ramos, Helaine Christine Cancela; Universidade Estadual do Norte Fluminense; Pereira, Messias Gonzaga; Universidade Estadual do Norte Fluminense Darcy Ribeiro; Gonçalves, Leandro Simões Azeredo; Universidade Estadual do Norte Fluminense; Amaral Júnior, Antonio Teixeira do; Universidade Estadual do Norte Fluminense; Scapim, Carlos Alberto; Universidade Estadual de Maringá.
This study aimed to compare multiallelic distances to quantify genetic diversity in papaya. We evaluated forty-three individuals in the S2 generation, from the backcross between F1 (Cariflora x SS783) and Cariflora, and four accessions from the UENF/Caliman Germplasm Bank. Genetic distances used were Smouse and Peakall (1999), Kosman and Leonard (2005) and weighted index. Clustering among genotypes was performed using the hierarchical unweighted pair-group method with arithmetic mean analysis (UPGMA) and projection of the distance on the bidimensional plan. A high correlation between genetic distances was observed; however, through UPGMA group analysis, the distance determined by the weighted index provided the complete separation of 52BC1S2-08, 52BC1S2-29...
Palavras-chave: Carica papaya L.; Microsatellite markers; Cultivar characterization; Cluster analysis Carica papaya L.; Microsatellite markers; Cultivar characterization; Cluster analysis.
Ano: 2011 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/11698
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Heterotic parameterizations of crosses between tropical and temperate lines of popcorn - doi: 10.4025/actasciagron.v33i2.9607 Agronomy
Silva, Vanessa Quitete Ribeiro da; Universidade Estadual do Norte Fluminense; Amaral Júnior, Antonio Teixeira do; Universidade Estadual do Norte Fluminense; Gonçalves, Leandro Simões Azeredo; Universidade Estadual do Norte Fluminense; Freitas Júnior, Silvério de Paiva; Universidade Estadual do Norte Fluminense; Ribeiro, Rodrigo Moreira; Universidade Estadual do Norte Fluminense.
We examined the heterotic parameterizations of diallel crosses among 10 popcorn inbred lines in two different environments (municipalities of Campos dos Goytacazes and Itaocara, Rio de Janeiro State) and originating from tropical, temperate and subtropical germoplasm. Traits, including grain yield (GY), plant height (PH), ear height (EH), days to silking (FL) and popping expansion (PE), were measured. The inbred lines and the hybrids were evaluated in a randomized complete block design with three replications. The sources of genotypic variation, inbred lines and heterosis had significant effects on all traits. When the sources of heterotic variation were compared separately, estimated mean heterosis was found to be significant for all traits. When inbred...
Tipo: Pesquisa Empírica de Campo Palavras-chave: 5.02.01.03-4; Zea mays L.; Diallel crosses; Yield and popping expansion 5.02.01.03-4 Zea mays L.; Diallel crosses; Yield and popping expansion.
Ano: 2011 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/9607
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