title: A quantal method for determining numbers of Erwinia carotovora var. carotovora and E. carotovora var. atroseptica in soils and plant material.
mesh_terms: D001431:Bacteriological Techniques; D002452:Cell Count; D003470:Culture Media; D004885:Erwinia / Q000254:growth & development / Q000302:isolation & purification*; D005516:Food Microbiology; D008722:Methods; D010368:Pectins; D010945:Plants, Edible; D012988:Soil Microbiology; D013223:Statistics as Topic; D014675:Vegetables
chemical_list: D003470:Culture Media; D010368:Pectins