>>> 11 severely diseased colonies in Denmark, moved by one of us (N.L.) from endemically infected areas to E.F.B.-free areas, recovered spontaneously and became apparently entirely healthy by the second year.
<><><> Might this not lead one to suspect that there is a biological benefit (plant origin?) in the area which assists the local colonies in remaining EFB free? If so, what?
Mike in LA
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