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Genetic dissimilarity, selection index and correlation estimation in a melon germplasm Horticultura Brasileira
Gomes,Danilo A; Alves,Igor M; Maciel,Gabriel M; Siquieroli,Ana Carolina S; Peixoto,Joicy Vitória M; Pires,Patrícia dos S; Medeiros,Iago A de.
ABSTRACT The success of breeding programs depends on genetic variability. Individuals selected based on a few traits may be a limitation. One alternative is the use of nonparametric indices. However, there is no information on the use of selection indices in melon germplasms. The present study aimed to estimate genetic dissimilarity in a melon germplasm and select potential parent plants for future breeding programs. The genetic material consisted of 37 melon accessions. The traits assessed were fruit diameter and length, diameter and length of the fruit cavity and total soluble solids. Genetic dissimilarity was assessed by multivariate analyses (UPGMA and Tocher). Selection gain estimates were analyzed by comparing the classic Smith-Hazel and sum of ranks...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cucumis melo; Plant breeding; Multivariate analysis; Nonparametric indices; Selection gain.
Ano: 2021 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362021000100046
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