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Are there differences in heterozygosity of strains obtained from intercrossed and self-fertilized onion plants? Horticultura Brasileira
Luz,José Magno Queiroz; Machado,Daniel Lucas Magalhães; Maciel,Gabriel Mascarenhas; Freitas,Joelson André de; Oliveira,Roberta Camargos de.
ABSTRACT The commercial use of onion hybrids is preferred by producers. In contrast, the production of hybrid onion seeds is extremely inefficient. This is due to the use of lineages obtained by successive self-fertilizations assuming the effect of inbreeding depression per se. Therefore, it is necessary to understand new alternatives to reduce the effect of inbreeding depression in the strains. The objective of this study was to evaluate possible differences in polymorphism and levels of heterozygosity of strains obtained from intercrossed and self-fertilized plants. Twelve onion populations belonging to Bayer’s breeding program (Granex, IPA-1, IPA-2 and IPA-3) were used, obtained by self-fertilization of one plant, intercrossing of two plants or...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Allium cepa; Hybrid; Onion polymorphism; Genotyping; Primers.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362020000300274
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