, Volume 74, Issue 1–2, pp 51–57 | Cite as

Resistance to potato leafroll virus derived from Solanum chacoense: characterization and inheritance

  • C. R. Brown
  • P. E. Thomas


Resistance to potato leafroll virus (PLRV) was detected in an accession of Solanum chacoense. Inoculations with viruliferous aphids and subsequent graft challenges using Datura tatula and potato as PLRV sources determined that resistance appears to be of an extreme type. Virus was not detectable using enzyme-linked immunosorbent assay (ELISA) in S. chacoense, and in resistant F1 and BC1 progenies after attempts to transmit the virus through grafting. The segregation ratios of BC1 progenies for positive and negative ELISA tests are consistent with simple dominant inheritance.

Key words

breeding ELISA PLRV Solanum chacoense wild species 


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Copyright information

© Kluwer Academic Publishers 1994

Authors and Affiliations

  • C. R. Brown
    • 1
  • P. E. Thomas
    • 1
  1. 1.Agricultural Research ServiceU.S. Department of AgricultureProsserUSA

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