Сравнительная эффективность различных схем дигаплоидной селекции
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МИХАЙЛОВ, Михаил, БОТНАРЬ, Василий. Сравнительная эффективность различных схем дигаплоидной селекции. In: Realizări științifice in ameliorare și tehnologii inovative la culturile cerealiere în contextul schimbărilor climaterice, 4-5 septembrie 2020, Chişinău. Chişinău: 2020, pp. 136-141.
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Realizări științifice in ameliorare și tehnologii inovative la culturile cerealiere în contextul schimbărilor climaterice 2020
Conferința " Realizări științifice in ameliorare și tehnologii inovative la culturile cerealiere în contextul schimbărilor climaterice"
Chişinău, Moldova, 4-5 septembrie 2020

Сравнительная эффективность различных схем дигаплоидной селекции

CZU: 633.1:631.527

Pag. 136-141

Михайлов Михаил, Ботнарь Василий
 
Институт генетики, физиологии и защиты растений
 
 
Disponibil în IBN: 4 noiembrie 2020


Rezumat

In computer simulations, the effectiveness of three schemes of doubled haploid breeding aimed at fixing heterosis in the inbred line was tested: Strunnikov’scheme (2000), Goncharova’s scheme (2014) and the enriching-restoring scheme (Mikhailov, 2010). With 50 acting loci by the 7th cycle in the best inbred line, 41 positive alleles are combined in Mikhailov's and Goncharova's schemes and 38 in Strunnikov's scheme. In Goncharova's scheme, positive dynamics can be traced up to the 7th cycle, but by the last cycle this method came close to the limit. In the Strunnikov scheme, the limit is achieved by 4-5 cycles. In the enrichment-reduction scheme, the limit has not yet been achieved by the 7th cycle, and this scheme has the best prospects for further continuation of the breeding.

Cuvinte-cheie
doubled haploids, Breeding, Heterosis, simulation

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