The system of genetic control the neutral-daily type of garden strawberry fruiting
Abstract
The results of genetic analysis by 7 varieties of strawberry - Belrubi, Toscana F1, Elizabeth II, E-220 F1, Honda, Selva, San Andreas on the trait of neutral-day type of ripening that based on a study of splitting in the hybrid offspring are presented. Varieties Belrubi and Honda are once-fruit-bearing, the others 5 - neutral-day. The work was conducted at the experimental station of the Federal State Budgetary Scientific Institution «North-Caucasian regional research institute of horticulture and viticulture» (FSBSI NCRRIHV, Krasnodar, Russia). The study of inheritance by neutral-day type of fruiting strawberries according to the analysis of the frequency splitting in hybrid families was performed using the chi-square method. Revealed the genetic control system feature, which includes 3 genes that interact by type of dual dominant epistasis. An association in one genotype 2 dominant alleles A and B determines the neutral-day type of ripening by variety. In accordance with description of genotypes, 3 studied strawberry varieties by neutral-day type of ripening as Toscana F1, San Andreas and E-220 F1, carrying a dominant allele A in the homozygous state, may act as genetic donors by studied trait, Selva and Elizabeth II, heterozygous for the genes A and B, - as a genetic sources of neutral-day type of ripening. The dominant allele C at once fruiting varieties Belrubi and Onda acts as an inhibitor of both alleles A and B.
About the Authors
V. I. Lapshin
FGBNU «North-Caucasian regional research institute of horticulture and viticulture»
Russian Federation
Russian Federation
V. V. Yakovenko
FGBNU «North-Caucasian regional research institute of horticulture and viticulture»
Russian Federation
Russian Federation
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Review
For citations:
Lapshin V.I., Yakovenko V.V. The system of genetic control the neutral-daily type of garden strawberry fruiting. Agrarian science. 2017;(2):5-7. (In Russ.)
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