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Multiple DNA markers for evaluation of resistance against Potato virus Y, Potato virus S and Potato leafroll virus

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  • Masoud NADERPOUR
  • Leila SADEGHI

    (Agricultural Research, Education and Extension Organization (AREEO), Seed and Plant Certification and Registration Institute, Karaj, Iran)

Abstract

Molecular markers within or close to genes of interest play essential roles in marker-assisted selection. PCR-based markers have been developed for numerous traits in different plant species including several genes conferring resistance to viruses in potato. In the present work, rapid and reliable approaches were developed for the simultaneous detection of Ryadg and Ry-fsto, Ns, and PLRV.1 genes conferring resistance to Potato virus Y, Potato virus S and Potato leafroll virus, respectively, on the basis of previously published and newly modified markers. The sequence characterized amplified region (SCAR) markers for Ryadg, Ns and PLRV1 and the newly modified cleaved amplified polymorphic sequences (CAPS) marker for Ry-fsto were amplified in one PCR reaction which could simply characterize Ryadg and PLRV.1 resistance. Additional digestion of amplicons with EcoRV and MfeI for genotyping the Ry-fsto and Ns resistance genes, respectively, was needed. The effectiveness of genotyping in triplex and tetraplex PCRs was tested on 35 potato varieties used for potato seed production and breeding programs.

Suggested Citation

  • Masoud NADERPOUR & Leila SADEGHI, 2018. "Multiple DNA markers for evaluation of resistance against Potato virus Y, Potato virus S and Potato leafroll virus," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 54(1), pages 30-33.
    • Handle: RePEc:caa:jnlcjg:v:54:y:2018:i:1:id:180-2016-cjgpb
    DOI: 10.17221/180/2016-CJGPB
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