Translocation assay on beet cubes. 1, water control; 2, Pab4188 (gall formation); 3, Pab4188 with the translocation vector, pVSP‐PtHis, containing the N‐terminus of HsvG (hypersensitive response, HR); 4, Pab4188 with the empty vector, pVSP‐PtHis (gall formation).