Abstract
Beet necrotic yellow vein virus (BNYVV), the type member of the Benyvirus genus, has a multipartite, positive-sense single-stranded RNA genome, which consists generally of four, or in some isolates five, distinct RNA species. In this study, 108 BNYVV infected soil samples were collected from Isparta province, Turkey. Sugar beet plants cv Kasandra were grown in these soil samples using bait plant techniques and root samples were then analyzed by dsRNA analysis. The RNA was purified by CF-11 cellulose chromatography and gel electrophoresis. In 108 samples tested, dsRNA profiles were observed in 53 samples. No dsRNA bands were observed in negative control used in the analysis.
Highlights
Rhizomania is caused by Beet necrotic yellow vein virus (BNYVV)
This study aimed to identify BNYVV on sugar beet plants by dsRNA analysis
Soil samples were collected in August and September 2011 from soils used in sugar beet culture of Isparta Isparta province
Summary
Rhizomania is caused by Beet necrotic yellow vein virus (BNYVV). Rhizomania causes serious disease of sugar beet. It was first reported in Italy in the 1950s (Canova, 1959) but it is present in sugar beet areas all over the world (Chiba et al, 2011). BNYVV is transmitted in soil by zoospores of plasmodiophorid, Polymyxa betae (Keskin, 1964). BNYVV is member of the genus Benyvirus (Tamada, 1989). BNYVV is characterized by rod-shaped particles, 20 nm in diameter and four different model lengths 85, 100, 265 and 390 nm (Putz, 1977) containing four seperate single stranded genomic RNAs of 1467, 1774, 4612 and 6746 base pairs, respectively
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