Soybean vein necrosis virus

scouted Sept. 16, 2021

Scientific Name
Soybean vein necrosis orthotospovirus
Background
Soybeans in Union county, variety P55R49, were scouted and observed 5% of the field was affected by bleaching and browning between the veins and in the leaves, in localized patches.
Conclusion
The issue identified was Soybean vein necrosis virus (SVNV) found in the samples from this field. SVNV is a Tospovirus occasionally present in North Carolina soybeans that while not economically important in the region, has the potential to cause severe damage in individual soybean fields. This virus infects the whole plant and leads to necrotic tissue. It's a vector-mediated pathogen spread by immature thrips and currently there is no economical management tool for SVNV.
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