Glasshouse experiments were conducted to study infection and disease development in rockwool-grown rose plants inoculated with Ralstonia pseudosolanacearum. A R. pseudosolanacearum strain isolated from was more aggressive than strains anthurium or curcuma. The three cultivars tested, Avalanche, Red Naomi Armando, differed susceptibility. At 20 oC, the caused hardly any symptoms over a six weeks...