Potato Research

, Volume 31, Issue 3, pp 389–394 | Cite as

Advantages of a soluble dye in blot immunobinding assays for virus detection in potatoes

  • R. W. Gibson
Short Communication


A technique is described in which plant sap is blotted onto small pieces (8×11 mm) of nylon membrane and virus particles bound to the paper are detected by a modification of the enzymelinked immunosorbent assay (ELISA). The detectable product of the assay is a soluble yellow dye, the absorbance of which increased with the virus content of the plant sap. Leaf or tuber sap from plants secondarily-infected with either potato leafroll virus or potato virus Y could be clearly distinguished from that of healthy plants and a majority of tubers primarily infected with PVY were also detected.

Additional keywords

potato leafroll virus potato virus Y virus diagnosis 


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Copyright information

© Kluwer Academic Publishers 1988

Authors and Affiliations

  • R. W. Gibson
    • 1
  1. 1.Rothamsted Experimental StationAFRC Institute of Arable Crops ResearchHarpendenUK

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