Soybean vein necrosis virus

scouted Sept. 15, 2022

Scientific Name
Soybean vein necrosis orthotospovirus
Background
Soybeans in Robeson county, variety AG52X9, were scouted and observed 5% of the field was affected by widespread leaf spots. The site is high area, dry, and sunny.
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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