Presumptive identification of Pseudomonas syringae, the cause of foliar leafspots and streaks on pearl millet in Zimbabwe

The etiology of a leafspot disease of pearl millet in Zimbabwe was investigated using Koch's postulates. Bipolaris sp., Exserohilum sp., and bacteria, were isolated from lesions but only bacterial isolates produced the original symptoms following inoculation of a susceptible pearl millet line,...

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Veröffentlicht in:	Journal of phytopathology 1999-12, Vol.147 (11/12), p.701-706
Hauptverfasser:	Frederickson, D.E, Monyo, E.S, King, S.B, Odvody, G.N, Claflin, L.E
Format:	Artikel
Sprache:	eng
Schlagworte:	Bacterial plant pathogens Bacteriology Biological and medical sciences biological resistance Cenchrus americanus disease diagnosis etiology experimental infections Fundamental and applied biological sciences. Psychology Generalities. Techniques. Transmission, epidemiology, ecology. Antibacterial substances, control identification leaf spot leaf spotting leaves Microbiology new host records pathogenicity Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains Pennisetum glaucum Phytopathology. Animal pests. Plant and forest protection Pseudomonas syringae symptoms Zimbabwe
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Beschreibung
Zusammenfassung:	The etiology of a leafspot disease of pearl millet in Zimbabwe was investigated using Koch's postulates. Bipolaris sp., Exserohilum sp., and bacteria, were isolated from lesions but only bacterial isolates produced the original symptoms following inoculation of a susceptible pearl millet line, 852B. Biochemical and physiological tests, including LOPAT, indicated the bacterium was the fluorescent pseudomonad, Pseudomonas syringae. This represents the first report of P. syringae on pearl millet in Africa.
ISSN:	0031-9481 0931-1785 1439-0434
DOI:	10.1046/j.1439-0434.1999.00446.x