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African Crop Science Journal
African Crop Science Society
ISSN: 1021-9730
EISSN: 2072-6589
Vol. 1, No. 2, 1993, pp. 131-138
Bioline Code: cs93020
Full paper language: English
Document type: Research Article
Document available free of charge

African Crop Science Journal, Vol. 1, No. 2, 1993, pp. 131-138

 en Incidence and Distribution of Potato Viruses in Plateau State, Nigeria
Miha, A.M; Rossel, H.W & Atiri, G.I

Abstract

Potato farms and backyard holdings in Plateau State were surveyed for potato viruses S,X,Y and leaf roll in 1990-1992. Random and biased field samples as well as leaves from sprouted seed tubers from local markets were tested for the four viruses by the enzyme-linked immunisebent assay (ELISA). The incidence of viruses in the fields in four districts was between 45 and 62%, although it reached 90.9% at Chisu in one occasion. Potato virus X (PVX) was the most prevalent while potato virus Y (PVY) and potato leaf roll virus (PLRV) were the least. Virus incidence in plants sprouting from seed tubers in the screen house was more or less comparable to field incidence. Mixed infections by viruses were common, those containing PVX being the most prevalent. PVY scarcely occurred in mixed infections with potato virus S or PLRV.

Keywords
Nigeria, Plateau State, Potato viruses

 
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