Data/hora: 09/06/2024 12:36:12

Provedor de dados: | 124
País: | Brazil
Título: | Establishing a core collection from the integration of morpho-agronomical, phytopathological and molecular data
Autores: | Martins,Francielle Alline; Silva,Derly José Henriques da; Carneiro,Pedro Crescêncio Souza.
Data: | 2015-12-01
Ano: | 2015
Palavras-chave: | Retention rate variability; Amplitude coefficient; Germplasm; Variance.
Resumo: | ABSTRACTThe aim of this study was to establish and compare, as to their representativeness, core collections obtained from quantitative data, multicategoric, molecular and collections that covering all this information simultaneously. Ten subcollections were established from 67 tomato accessions of the Germplasm Bank of the Universidade Federal de Viçosa (BGH-UFV), characterized according to 19 quantitative traits, 30 multicategoric characters, 52 ISSR loci and to the reaction to three pathogens. These subcollections were defined by the combination of the nature of data collected and the sampling rate. The COD-20 subcollection stood out in 20% intensity of sampling by has higher rates of coincidence amplitude followed by more appropriate values of variance. At 30% intensity, subcollection MOL-30 was as efficient as the subcollection COD-30 when considering only the rates of coincidence of the amplitude and the variances. However, the graphical analysis of the variability showed a slight superiority of subcollection COD-30 in maintaining the variability, especially regarding multicategoric characters. So whenever data from different sources are available, should be prioritized the establishment of core collections from the integration of these data, since these were more representative when the amplitude coefficient, variance, and retention index of variability, are regarded simultaneously.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902015000400836
Editor: | Universidade Federal do Ceará
Relação: | 10.5935/1806-6690.20150072
Formato: | text/html
Fonte: | Revista Ciência Agronômica  v.46 n.4 2015
Fonte: | info:eu-repo/semantics/openAccess