Potato Research

, Volume 23, Issue 1, pp 137–141 | Cite as

Potato leafroll virus concentration in the vascular region of potato tubers examined by enzyme-linked immunosorbent assay (ELISA)

  • P. Gugerli
Short Communication


Enzyme-linked immunosorbent assay (ELISA), used in conjunction with a new rapid extraction method, showed that potato leafroll virus (PLRV) concentration in the vascular region of infected potato tubers decreases from the heel to the rose end. Lower virus concentration at the rose than at the heel end was found not only in dormant tubers but also in tubers three weeks after breaking dormancy although the difference was then less pronounced. These results were obtained from plants with both primary and secondary infection by one of two French virus isolates which behave differently in respect of either accumulation in the ants or in their serological properties or both.

Additional key-words

tuber indexing 


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Copyright information

© Kluwer Academic Publishers 1980

Authors and Affiliations

  • P. Gugerli
    • 1
  1. 1.Station fédérale de recherches agronomiques de ChanginsNyonSwitzerland

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