. Rustam. 2007. Inoculation Methods and Inoculum Densities Tests of Blood Disease Bacterium on Banana. An experiment was conducted to test of inoculation methods and inoculum densities of blood disease bacterium (BDB) on banana under a glasshouse condition. Inoculation methods of BDB tested were root wounding, root without wounding, corm injection, and control. Inoculum densities of BDB tested were 107, 106, 105, 104, 103 cfu/ml and control. The results showed that corm injection and root wounding were gave similar disease incidence (100%). The incubation phase was faster for corm injection method than root wounding method. Inoculum densities of 104, 105, 106, 107 cfu/ml of BDB could develope disease incidence of 20, 40, 60, and 100% , respectively.