a differential medium for the isolation and rapid identification of a plant soft rot pathogen, erwinia chrysanthemi. | a medium was developed for the isolation and differentiation of erwinia chrysanthemi from other erwinia spp. based on the production of blue-pigmented indigoidine. the medium, named ngm, consists of nutrient agar supplemented with 1% glycerol, that induces pigment production, and 2 mm mncl2*4h2o, that further enhances color development. more than fifty e. chrysanthemi strains from six different plant hosts were tested. all tested strains of e. chrysanthemi grew well on the ngm medium, developing ... | 2006 | 15927293 |