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Incidence and pathogenicity of Phytophthora palmivora and Pythium vexans associated with durian decline in far northern Queensland

Vawdrey, L.L. and Langdon, P. and Martin, T. (2005) Incidence and pathogenicity of Phytophthora palmivora and Pythium vexans associated with durian decline in far northern Queensland. Australasian Plant Pathology, 34 (1). pp. 127-128.

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Article Link(s): http://dx.doi.org/10.1071/AP04093

Publisher URL: http://www.publish.csiro.au/

Abstract

In recent years, dieback of durian has become a major problem in mature orchards in the northern Queensland wet tropics region. A survey of 13 durian orchards was conducted during the dry season (July-September 2001) and following wet season (February-April 2002), with roots and soil from the root zone of affected trees being sampled. Phytophthora palmivora was recovered from the roots of affected trees on 12 of the 13 farms in the dry season, and all farms in the wet season. Pythium vexans was recovered from all 13 farms in both seasons. P. palmivora and P. vexans were recovered from diseased roots of 3-month-old durian seedlings cv. Monthong artificially inoculated with these organisms.

Item Type:Article
Additional Information:© Australasian Plant Pathology Society. Reproduced with permission from © CSIRO Publishing. Access to published version may be available via Publisher’s website.
Keywords:Dieback; oomycetes; root rot; trunk canker; Durio zibethinus; Phytophthora palmivora; Pythium vexans.
Subjects:Plant pests and diseases > Individual or types of plants or trees
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Inspection. Quarantine
Deposited On:05 Mar 2009 04:35
Last Modified:23 Jun 2011 04:29

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