Potato leafroll virus concentration in the vascular region of potato tubers examined by enzyme-linked immunosorbent assay (ELISA) |
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Authors: | P Gugerli |
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Institution: | (1) Station fédérale de recherches agronomiques de Changins, CH-1260 Nyon, Switzerland |
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Abstract: | Summary 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. |
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Keywords: | tuber indexing |
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