Ralstonia solanacearum race 3 biovar 2 strains belonging to phylotype IIB. sequevars 1 and 2 (IIB-1&2) cause brown rot of potato in temperate climates. and are quarantined pathogens in Canada and Europe. Since these strains are not established in the U. https://www.kingarte.com/product-category/egg-vibrators/