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Identification of blossom blight in stock (Matthiola incana) caused by Pseudomonas syringae pv. maculicola
E. J.
Cother A B C,
D. H.
Noble A
A
New South Wales Department of Primary Industries, Agricultural Institute, Forest Road, Orange, NSW 2800, Australia.
B
Present address: PO Box 2117, Orange, NSW 2800, Australia.
C
Corresponding author. Email: rncother@bigpond.com
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Australasian Plant Pathology 38(3) 242–246 http://dx.doi.org/10.1071/AP08102
Submitted: 15 August 2008
Accepted: 1 December 2008
Published online: 3 April 2009
Abstract
A disease of stock (Matthiola incana) in Australia, caused by Pseudomonas syringae pv. maculicola, is described for the first time. The pathogen is systemic, causing vascular necrosis and progresses basipetally from infected flowers. Bacteria were isolated from seed produced from inoculated blossoms; however, transmission to seedlings grown from infected seed was not proven. The symptoms differ from those of a disease reported to be caused by P. syringae pv. syringae.
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Australasian Plant Disease Notes
