Authors:
A. A. Belousov Plant Breeding and Genetics Institute, National Center of Seed and Cultivar Investigation, Odessa, Ukraine

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V. M. Sokolo Plant Breeding and Genetics Institute, National Center of Seed and Cultivar Investigation, Odessa, Ukraine

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Y. M. Sivolap Southern Biotechnology Center of Plant Growth, Odessa, Ukraine

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V. P. Domenjuk Southern Biotechnology Center of Plant Growth, Odessa, Ukraine

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N. J. Storcheus Southern Biotechnology Center of Plant Growth, Odessa, Ukraine

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The performance of maize hybrids developed on the basis of recombined inbred lines (RIL) selected from an F2 hybrid population using marker-assisted selection (MAS) was studied. The task was to estimate the efficiency of DNA marker technology for intrapopulation selection and to study the performance of hybrids produced from marker-derived inbreds of the F2 population (GK 26 × Mo 17). Two hundred RILs of marker origin were crossed with 3 unrelated testcross lines from the Lacaune, Mindszentpuszta and Reid heterotic groups. An effective marker test system and informative marker criteria were elaborated for increasing MAS effectiveness. A two-locus system on the basis of linked SSR markers proved to be the most effective. The genetic improvement effect (ΔG) of the C1 population for plant productivity, plant height and grain length ranged from 9.1 to 16.1%, depending on the phenotypic trait and h2 level. The best hybrids developed on the basis of RILs of marker origin outyielded the national check for grain yield by 6.8-7.6%.

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Acta Agronomica Hungarica
Language English
Russian
German
French
Size  
Year of
Foundation
1950
Publication
Programme
ceased
Volumes
per Year
 
Issues
per Year
 
Founder Magyar Tudományos Akadémia   
Founder's
Address
H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0238-0161 (Print)
ISSN 1588-2527 (Online)

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