Two intervarietal substitution lines of common wheat cv. Sava bearing chromosome 5B from Saratovskaya 29 and Diamant 2 donors and two near-isogenic lines (NILs) of winter cv. Bezostaya 1 with the Vrn-B1 locus from the same donors were developed. Multiple allelism of the dominant Vrn-B1 locus was studied in these lines. It manifested itself as earing time variation in plants grown near Novosibirsk (West Siberia), Almaty (Kazakhstan), and in a greenhouse. One dominant allele, Vrn-B1S, having a stronger effect on earing time, was detected in Saratovskaya 29 and another, Vrn-B1Dm, in Diamant 2. The NILs and substitution lines are late-ripening. Lines with Vrn-B1S come to earing earlier than with Vrn-B1Dm.
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Efremova, T.T., Arbuzova, V.S., Leonova, I.N. et al. Multiple allelism in the Vrn-B1 locus of common wheat. CEREAL RESEARCH COMMUNICATIONS 39, 12–21 (2011). https://doi.org/10.1556/CRC.39.2011.1.2
- common wheat
- near-isogenic line
- substitution lines
- Vrn genes
- multiple allelism