Species Clavibacter tritici

Name: Clavibacter tritici (Carlson and Vidaver 1982 ex Hutchinson 1917) Davis et al. 1984

Category, proposed as: species, comb. nov.

Basonym: Corynebacterium tritici (ex Hutchinson 1917) Carlson and Vidaver 1982

Etymology: tri’ti.ci. L. neut. n. triticum, wheat, and also the generic name of wheat (Triticum); L. gen. neut. n. tritici, of wheat, of Triticum

Pronunciation (Latin), gender: kla-wi-BAK-ter TRI-ti-ki, masculine

Type strain: ATCC 11403; CCUG 23914; CFBP 1385; CIP 104038; DSM 7486; ICMP 2626; JCM 9309; LMG 3728; NCPPB 1857; VKM Ac-1603

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X77438 Analyse FASTA

Valid publication: Davis MJ, Gillaspie Jr. AG, Vidaver AK, Harris RW. Clavibacter: a new genus containing some phytopathogenic coryneform bacteria, including Clavibacter xyli subsp. xyli sp. nov., subsp. nov. and Clavibacter xyli subsp. cynodontis subsp. nov., pathogens that cause ratoon stunting disease of sugarcane and Bermudagrass stunting disease. Int. J. Syst. Bacteriol. 1984; 34:107-117. 🇺🇸

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Rathayibacter tritici (Carlson and Vidaver 1982 ex Hutchinson 1917) Zgurskaya et al. 1993

Risk group: 1

• Synonyms:

  • Name	Kind
    Corynebacterium tritici (ex Hutchinson 1917) Carlson and Vidaver 1982	homotypic synonym, validly published under the ICNP
    Rathayibacter tritici (Carlson and Vidaver 1982 ex Hutchinson 1917) Zgurskaya et al. 1993	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Clavibacter tritici is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Clavibacter.
  • 😷 The risk group for Belgium has been imported on 2024-02-01. The full classification is: risk group = 1, note = "plant pathogen - biological class of risk plant: 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1, note = "PP". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "p". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 0 times in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.
  • 🧍 Plant pathogenic according to Bull et al. (2007). Publication: Bull CT, De Boer SH, Denny TP, Firrao G, Fischer Le Saux M, Saddler GS, Scortichini M, Stead DE, Takikawa Y. Comprehensive list of names of plant pathogenic bacteria, 1980-2007. Journal of Plant Pathology 2010; 92:551-592. 🇺🇸

Parent taxon: Clavibacter Davis et al. 1984

Assigned by: Davis MJ, Gillaspie Jr. AG, Vidaver AK, Harris RW. Clavibacter: a new genus containing some phytopathogenic coryneform bacteria, including Clavibacter xyli subsp. xyli sp. nov., subsp. nov. and Clavibacter xyli subsp. cynodontis subsp. nov., pathogens that cause ratoon stunting disease of sugarcane and Bermudagrass stunting disease. Int. J. Syst. Bacteriol. 1984; 34:107-117. 🇺🇸

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Record number: 774780