|Authors: ||P.J. Ellis, R. Stace-Smith, R.H. Converse|
A carlavirus isolated from North American red elderberry (Sambucus racemosa var.arborescens) was purified and compared serologically to a carlavirus described from elderberry in Europe.
The relatedness was sufficiently distinct that the viruses should be considered two distinct strains of the same virus.
We propose that the viruses be designated the European strain (ECV-E) and the North American strain (ECV-NA) of elderberry carlavirus.
ECV-NA is prevalent in wild S. racemosa in Western North America where it infected 530 of 1104 plants tested.
A vein-clearing symptom was observed on most but not all of the infected plants.
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