Variability in colony type and pathogenicity of the causal agent of sugarcane gumming Xanthomonas campestris pv. vasculorum (Cobb) Dye
Isolates of Xanthomonas campestris pv. vasculorum were obtained from leaves of various sugarcane cultivars in different regions of Reunion Island. The colonies formed in agar slant culture showed variable morphology, i. e., round (A type), fluidal and narrow (B type), or fluidal and broad (C type)....
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| Veröffentlicht in: | Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz (1970) 1988-12, Vol.95 (6), p.591-598 |
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| container_title | Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz (1970) |
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| creator | Peros, J.P |
| description | Isolates of Xanthomonas campestris pv. vasculorum were obtained from leaves of various sugarcane cultivars in different regions of Reunion Island. The colonies formed in agar slant culture showed variable morphology, i. e., round (A type), fluidal and narrow (B type), or fluidal and broad (C type). Measurement of the symptoms produced by the different colony types in greenhouse-grown sugarcane plants demonstrated that they also differed in pathogenicity. Bacteria of A type were found to be less aggressive than those of B type, which themselves were less aggressive than colonies of C type. Degrees in pathogenicity were also noticed within A and B colony types. Statistical analysis of leaf streak length did not indicate any significant host-parasite interaction. Thus, the resistance of the cultivars studied appears to be non specific |
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| fulltext | fulltext |
| identifier | ISSN: 0340-8159 |
| ispartof | Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz (1970), 1988-12, Vol.95 (6), p.591-598 |
| issn | 0340-8159 |
| language | eng |
| recordid | cdi_pascalfrancis_primary_7300665 |
| source | Jstor Complete Legacy |
| subjects | Bacteria Bacterial plant pathogens Biological and medical sciences Bonitierung Frankreich Fundamental and applied biological sciences. Psychology Pathology. Damages, economic importance Phytopathology. Animal pests. Plant and forest protection PODER PATOGENO POUVOIR PATHOGENE Rasse SACCHARUM Spezifitaet Symptom VARIEDADES VARIETE XANTHOMONAS CAMPESTRIS |
| title | Variability in colony type and pathogenicity of the causal agent of sugarcane gumming Xanthomonas campestris pv. vasculorum (Cobb) Dye |
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