Bulgarian Journal of Agricultural Science
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INHERITANCE OF BERRY SKIN COLOUR IN VINE SEEDLINGS FROM COMPLEX INTERSPECIES HYBRID COMBINATIONS
M. Ivanov, V. Roychev
Abstract: Research has been carried out into the characteristics of the inheritance of the trait berry colouring in vine seedlings from F1 progeny of complex interspecies hybrid combinations. It has been found that the cultivars used in the separate crosses are characterized by different genotypes in terms of the studied trait, which leads to the observed great phenotypic diversity. The inheritance of berry colour takes place by monohybrid - dominant and incompletely dominant and dihybrid – epistatic scheme. The genetic analysis and determination of the individual genotype of parent cultivars related to that qualitative trait, present a theoretical possibility for increasing the efficiency of the selection process in vine in accordance with the concrete objective.
Keywords: berry skin colour; inheritance; interspecies hybrid combinations; probable genotypes; variability
Date published: 2017-08-29
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