Potato Research

, Volume 35, Issue 4, pp 403–410 | Cite as

Symptom expression and seed transmission of alfalfa mosaic virus and potato yellowing virus (SB-22) inSolanum brevidens andS. etuberosum

  • J. P. T. Valkonen
  • E. Pehu
  • K. Watanabe
Article

Summary

Solanum brevidens showed calico mosaic symptoms in all the leaves, butS. etuberosum yellowing and yellow mosaic only in the top leaves, following graft-inoculation with alfalfa mosaic virus (AMV). The South American potato virus SB-22 infected latentlyS. brevidens following graft-inoculation, whereasS. etuberosum was not infected. AMV was not transmitted to the ovules of AMV-infectedS. brevidens andS. etuberosum. However, AMV was transmitted to the seeds ofS. etuberosum through pollen, resulting in 0.9% infected seeds.S. brevidens infected by SB-22 produced up to 20.2% of virus-infected germinable seed, and in some of the seed lots of infectedS. brevidens the germination rate was as low as 1.0%.

Additional keywords

Etuberosa virus resistance NCM-ELISA 

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Copyright information

© Kluwer Academic Publishers 1992

Authors and Affiliations

  • J. P. T. Valkonen
    • 1
  • E. Pehu
    • 2
  • K. Watanabe
    • 1
  1. 1.International Potato Center (CIP)LimaPeru
  2. 2.Department of Plant ProductionUniversity of HelsinkiHelsinkiFinland

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