Incidence and distribution of beet necrotic yellow vein virus in Vojvodina

From 1997 to 2004, 67213 ha were surveyed in Vojvodina in order to determine the incidence and distribution of beet necrotic yellow vein virus (BNYVV) the causer of Rhizomania on sugar beet in the fields in Vojvodina. The number of inspected hectares was different and ranged from 4.427 ha in 2004 to 19.254 ha in 2002. The survey showed that BNYVV is not equally widespread in all sugar beet growing areas of Vojvodina. The regions of Srem and Banat had higher incidence of the virus, while in region of Bačka the incidence of virus was lower than in other parts of Vojvodina. The BNYVV was found, on average, on 46,2% in Banat, on 40,6% in Srem and on 32,9% in Bačka of sugar beet acreages involved, during the period of eight years (1997-2004). These results show that BNYVV is widespread in Vojvodina, since the virus was found on 36,7% (24.674 ha) of acreages from 67.213 ha of total sugar beet acreages inspected on incidence of BNYVV in the period from 1997 to 2004.