UDC 635.342: 631.527
https://doi.org/10.25630/PAV.2026.64.62.007
Morozova V.S., Kostenko G.A.
The article presents the results of studying the lines of doubled haploids of the second year of life obtained in microspore culture. White cabbage plants of different maturity groups were studied under protected soil conditions, their ability to generate was analyzed, and the sowing qualities of the obtained seeds were evaluated. The studies were carried out in a winter greenhouse of polycarbonate type in 2024-2025. It was found that 20% of the genotypes in the early group had dark yellow corollas, 73% had yellow corollas, and 7% had light yellow corollas. In the late group, dark yellow corollas were more common. The late group had larger flowers than the early group. The late group had taller plants than the early group, with a difference of 33 and 68 cm between the groups. In terms of the number of branches of the first order, all the studied genotypes reacted ambiguously and belonged to the second type of branching; the fertility rate in the early ripeness group was 70.3% and 95% according to the years of research, in the late ripening group the indicator was higher by 9.7% and 2%, respectively; the maximum number of seeds established was noted in genotypes 2306 and 2307– 30 and 29 pieces in one pod, respectively; according to the level of self-incompatibility, 66.6% of plants were found to have strict self-incompatibility, 29.4% were partially compatible, 4.17% were compatible; the sowing qualities of doubled haploid lines are as follows: 1,000-seed weight of 4,2-4,6 g, germination energy of 95,5-98,6%, and germination rate of 96,6-99,0%.
Key words: white cabbage, linien doppelte haploide, seeds, genotype, seed production
Morozova V.S., junior research fellow at the Laboratory of Breeding and Seed Growing of Vegetable Crops of Open and Protected Ground for the Conditions of the Central Non-Chernozem zone, Sector of Breeding and Seed Growing of Cabbage Crops, All-Russian Research Institute of Vegetable Growing – a branch of the Federal Scientific Vegetable Centre, postgraduate student of Federal Scientific Vegetable Center
Kostenko G.A., Cand. Sci. (Agr.), leading research fellow, Breeding and Seed Center, Laboratory of Breeding and Seed Growing of Vegetable Crops of Open and Protected Ground for the Conditions of the Central Non-Chernozem zone, Sector of Breeding and Seed Growing of Cabbage Crops, All-Russian Research Institute of Vegetable Growing – a branch of the Federal State Budgetary Scientific Institution of Federal Scientific Vegetable Center, breeder of the Poisk Company. E-mail: kostenko@poiskseeds.ru
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For citing: Morozova V.S., Kostenko G.A. Features of the lines of doubled haploids of white cabbage according to the signs of the second year of life. Potato and vegetables. 2026. No4. Pp. 45–49. https://doi.org/10.25630/PAV.2026.64.62.007 (In Russ.).
