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Phyllosticta spp. on cultivated Citrus in Australia

Miles, A. K. and Tan, Y. P. and Tan, M. K. and Donovan, N. J. and Ghalayini, A. and Drenth, A. (2013) Phyllosticta spp. on cultivated Citrus in Australia. Australasian Plant Pathology, 42 (4). pp. 461-467. ISSN 08153191 (ISSN)

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Article Link(s): http://dx.doi.org/10.1007/s13313-013-0208-0

Abstract

The occurrence of pathogenic and endophytic species of Phyllosticta on cultivated Citrus in Australia was investigated by DNA sequence analysis of specimens held in plant pathology herbaria and culture collections. Sequences of the internal transcribed spacer region (ITS1, 5.8S, ITS2), and partial translation elongation factor 1-alpha (TEF) gene of 41 Phyllosticta-like isolates from Citrus were compared to those sequences from the type specimens of Phyllosticta recorded from around the world. Phylogenetic analysis resolved all the sequences of Australian accessions into two major clades. One clade corresponded to P. citricarpa, which causes citrus black spot disease. The other clade contained P. capitalensis, which is a known endophyte of Citrus and many other plant species. All included herbarium accessions previously designated as Guignardia mangiferae are now designated P. capitalensis. No Australian isolates were identified as the newly described pathogens of citrus P. citriasiana or P. citrichinaensis, or the endophytes Guignarida mangiferae, P. brazilianiae, or P. citribraziliensis. © 2013 Australasian Plant Pathology Society Inc.

Item Type:Article
Business groups:Biosecurity Queensland
Additional Information:Correspondence Address: Miles, A.K.; Department of Agriculture, Fisheries and Forestry (Queensland), Ecosciences Precinct, 41 Boggo Road, Dutton-Park, QLD 4102, Australia; email: andrew.miles@daff.qld.gov.au
Keywords:Black spot Disease Endophyte Taxonomy
Subjects:Plant culture > Fruit and fruit culture
Plant pests and diseases > Plant pathology
Deposited On:16 Jul 2014 05:01
Last Modified:16 Jul 2014 05:01

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