A new bacterial disease of jojoba (Simmondsia chinensis) caused by Burkholderia andropogonis |
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| Authors: | E J Cother † D Noble B J Peters A Albiston G J Ash |
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| Institution: | NSW Agriculture, Agricultural Institute, Forest Road, Orange 2800;and;Farrer Centre, Charles Sturt University, Wagga Wagga 2678, Australia |
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| Abstract: | A leaf spot of jojoba caused by Burkholderia andropogonis is described for the first time. Symptoms ranged from necrotic flecking with comparatively large watersoaked halos to larger 'eyespot' lesions c. 3 mm in diameter with watersoaked halos 1–1·5 mm wide. The necrosis was light tan in colour. Isolates from jojoba displayed variable pathogenicity to other known hosts of B. andropogonis ( Dianthus , Cicer , Gypsophila and sorghum), but were not pathogenic, or only weakly so, to sweetcorn, Limonium and Trifolium . Identification was confirmed by cell-wall fatty acid composition and the bacterium's possession of a single polar flagellum. |
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| Keywords: | fatty acid analysis first record |
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