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Bulgarian Journal of Crop Science   ISSN 0568-465X
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Dissemination of Tobacco Mosaic Virus (TMV) in Virginia and Burley tobacco
Yovko Dyulgerski, Yonko Yonchev, Marina Drumeva-Yoncheva
Abstract: During the period of 2006 – 2013 is determined the spread of tobacco mosaic virus (TMV), investigated over 120 introduced varieties and perspective lines and hybrids Virginia and Burley tobacco, grown in experimental fields to TTPI – Markovo. The results show that in both varieties groups of Tobacco dissemination of tobacco mosaic virus is below the economic threshold of harmfulness. The percentage of diseased plants varied from 0% to 5% of Burley tobacco and from 1% to 7% Virginia tobacco, but is also observed a sharp increase in this rate, indicating that the disease is potentially significant. The highest percentage of infected plants with tobacco mosaic virus of variety group Virginia tobacco is reported in 2007, while by variety group Burley tobacco is accounted in 2012. Dissemination of tobacco mosaic жирус is lower in Burley tobaccos compared to Virginia tobaccos.
Keywords: tobacco; Virginia tobacco; Burley tobacco; TMV
Date published: 2017-08-09
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