Rabbit Anti-Cfo polyclonal antibody for ELISA. Curtobacterium flaccumfaciens pv. flaccumfaciens is the causal agent of the bacterial wilt disease of Phaseolus spp. and is a systemic bacterium. The disease was first discovered in the United States (South Dakota) in the 1920s on Phaseolus vulgaris and subsequently recorded in Australia, Canada, Mexico, South America and Tunisia. It has a restricted distribution in Romania and Russia. Although it has been recorded in Belgium, Bulgaria, Greece, Hungary, Poland, Turkey and Ukraine, it has not established and is now considered absent from these countries. It has recently been reported in few fields in South-Eastern Spain.