Utilization of a molecular marker for evaluation of hybridization success in spring barley genetics and breeding
2007
Spunarova, M.,Agrotest Fyto, Kromeriz (Czech Republic) | Pouch, M.,Agrotest Fyto, Kromeriz (Czech Republic) | Spunar, J.,Agrotest Fyto, Kromeriz (Czech Republic)
The success in hybridization of two-rowed spring barley genotypes of various origins was verified using the codominant simple sequence repeat marker HVWAXY which is located in the coding sequence of the waxy gene. The primer pair F 5' AAG ACG TGG TGT TCG TGT G 3' and R 5' ATG GTT CCA GGG GTA AGT TC 3' generated the PCR product of approximately 200 bp in the varieties/breeding lines Maridol, Bojos, Malz, Xanadu, Isotta, Josefin, Native, Sebastian, Conrad, KM 2436, KM 2439, KM 2629 and KM-H-1320, whereas the product of about 250 bp was amplified in the lines KM 2416 and Br 7571h33. The parental genotypes possessing different alleles of the marker were crossed and the segregating lines of the F3 generation were characterized employing molecular methods (marker-assisted selection). This prescreening enabled to work with a lower number of individuals (selfed individuals were excluded) at the initial stages of the breeding process leading to the acceleration of selection as a particular phase of breeding.
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