Genetic analysis of the hybrid rice population ‘Mavr × Kontakt’
https://doi.org/10.31367/2079-8725-2021-78-6-39-44
Abstract
Rice can form not only white-color kernels, but also of red, brown and black colors. In black-color rice kernels, the pericarp contains anthocyanin, which has antioxidant activity and therefore has a positive effect on human health. The purpose of the current study was to develop rice samples with black pericarp. The paper has presented the study results of the hybrid population ‘Mavr × Kontakt’ of the second generation. The variety ‘Mavr’ has a black pericarp, the variety ‘Kontakt’ has a white one. In the process of hybridological analysis there have been identified the patterns of inheritance of the main quantitative traits affecting productivity; there have been identified the best samples, in which formed compact erect panicles and black kernels; there has been selected the initial material for breeding work. The study was carried out in 2020 on the plots of the ES “Proletarskoye” in the Rostov region. There was established that the color of pericarp was inherited according to the type of complementary interaction of two genes. There was found an overdominance and interaction of two pairs of genes of different strengths according to ‘plant height’. There was also seen partial positive dominance, transgressions, and digenic differences of the initial varieties according to ‘panicle length’. According to the traits ‘number of spikelets per panicle’, there was identified overdominance of large values and positive transgression. There were found the forms with well-kerneled panicles. The trait ‘1000 kernel weight’ was characterized by negative dominance and dihybrid cleavage of 9:6:1. There have been selected the best morphotype F2 forms with black pericarp, which possessed optimal plant height, long panicles, larger kernel size, and an average 1000 kernel weight.
About the Authors
P. I. Kostylev
Agricultural Research Center “Donskoy”
Russian Federation
Russian Federation
Doctor of Agricultural Sciences, professor, main researcher of the laboratory for rice breeding and seed production
347740, Rostov region, Zernograd, Nauchny Gorodok, 3
E. V. Krasnova
Agricultural Research Center “Donskoy”
Russian Federation
Russian Federation
Candidate of Agricultural Sciences, leading researcher of the laboratory for rice breeding and seed production
347740, Rostov region, Zernograd, Nauchny Gorodok, 3
G. A. Sirapionov
Azov-Blacksea Engineering Institute, branch of the Donskoy State Agricultural University
Russian Federation
Russian Federation
Agronomist
347740, Rostov region, Zernograd, Lenin Str., 21
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Review
For citations:
Kostylev P.I., Krasnova E.V., Sirapionov G.A. Genetic analysis of the hybrid rice population ‘Mavr × Kontakt’. Grain Economy of Russia. 2021;(6):39-44. (In Russ.) https://doi.org/10.31367/2079-8725-2021-78-6-39-44
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