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Epidemiology of Soybean vein necrosis-associated virus

Soybean vein necrosis-associated virus has been linked to an emerging soybean disease in the United States and Canada. Virus distribution and population structure in major growing areas were evaluated. Data were employed to design and develop sensitive detection protocols, able to detect all virus isolates available in databases. The host range for the virus was assessed and several species were found to sustain virus replication, including ivyleaf morning glory, a common weed species in soybean-growing areas in the United States. Koch's postulates were fulfilled using soybean thrips and transmission efficiency was determined. This article provides significant insight into the biology of the most widespread soybean virus in the United States.