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- Title
Identification of <em>Rhodococcus fascians</em> (Tilford 1936) Goodfellow 1984.
- Authors
Clark, R. G.; Fletcher, M. J.; Hu, F.-P.; Watson, D. R. W.; Young, J. M.J. M. Young
- Abstract
Determinative laboratory tests which distinguish Rhodococcus fascians from all other coryneform plant pathogenic bacteria were used to compare strains of this species with representative strains of Clavibacter spp. and Curtobacterium spp. The strains were also compared by colony hybridization using genomic DNA from R. fascians as a probe. Only strains of R. fascians authenticated with the determinative tests gave positive reactions to the probe. The pathogenicity of strains was tested in seedlings of Lathyrus odoratus L. (sweetpea) grown in soil, and aseptically in agar in tubes. Fasciation was induced in sweetpea by 20 strains of R. fascians from Begonia sp., Brodiaea laxa, Canca X heilbornn nm. pentagona, C. pubescens, Dahlia sp., Fragaria x ananassa, Lathyrus odoratus, and Verbascum nigrum. Strains of R. fascums from Chrysanthemum sp., Gladiolus sp., and Justida brandegeana did not induce fasciation in sweetpea.
- Subjects
CORYNEFORM bacteria; PLANT diseases; GENOMICS; SWEET pea diseases &; pests; MULLEINS; GLADIOLUS; TRITELEIA laxa
- Publication
Journal of Phytopathology, 1992, Vol 136, Issue 1, p37
- ISSN
0931-1785
- Publication type
Article