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Phylogenetic considerations for predicting the host range of Ustilago sporoboli-indici, a potential biological control agent for Sporobolus species in Australia

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Cunnington, J.H. and Shivas, R. G. (2006) Phylogenetic considerations for predicting the host range of Ustilago sporoboli-indici, a potential biological control agent for Sporobolus species in Australia. Plant Protection Quarterly, 21 (1). pp. 7-9.

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Article Link: https://caws.org.nz/PPQ202122/PPQ%2021-1%20pp007-9...

Abstract

The ribosomal DNA internal transcribed spacer region was amplified and sequenced from a selection of specimens of the Sporobolus smut Ustilago sporoboli-indici. Phylogenetic comparison with other Ustilago and Sporisorium species revealed strong support for an evolutionary radiation of Ustilago species infecting the Chloridoideae and Pooideae, of which U. sporoboli-indici forms a major lineage. Comparisons are made with other groups of plant pathogenic fungi, and it is concluded that phylogenetic analyses of potential biocontrol agents are useful for identifying pathogens that are derived from evolutionary lineages that parasitize a wide range of unrelated plants. Such pathogens are less desirable as biocontrol agents as they may have a greater likelihood of infecting plants outside their normal host ranges.

Item Type:Article
Business groups:Biosecurity Queensland
Additional Information:© Plant Protection Quarterly.
Keywords:Ustilago sporoboli-indici; Sporobolus species; biological control agent; Australia.
Subjects:Science > Botany > Cryptogams
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Organic plant protection. Biological control
Science > Biology > Genetics
Live Archive:22 Jan 2009 01:13
Last Modified:28 Oct 2021 03:01

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