show Abstracthide AbstractBacterial plant pathogens Pseudomonas savastanoi pv phaseolicola (HB10Y, supplied by Leonard Mindich), P. tomato (Gregory Martin collection number 113), P. syringae pv atrofaciens (G. Martin 2231), and P. pseudoalcaligenes East River isolate A (L. Mindich) serve as common laboratory hosts for dsRNA bacteriophage phi6, a widely used model organism to study dsRNA viruses.