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Genetic diversity of Xanthomonas citri subsp. Citri, causal agent of citrus canker.

Arshadi, Farimah and Sijam, Kamaruzaman and Awang, Yahya (2013) Genetic diversity of Xanthomonas citri subsp. Citri, causal agent of citrus canker. Journal of Plant Protection Research, 53 (4). pp. 312-316. ISSN 1427-4345; ESSN: 1899-007X

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Abstract

A total of 25 samples of canker disease from different part of West Malaysia were isolated from three different hosts. After various diagnostic tests, the samples were identified as Xanthomonas citri subsp. citri (Xcc), and were also pathogenic to four tested citrus species. Molecular characterization using rep-PCR fingerprinting was carried out on the isolates. Cluster analysis using the combined banding patterns of ERIC and BOX-PCR clearly divided the isolates into different clusters according to their geographical origin, but not to their host species. A relatively high amount of genetic diversity was observed among isolates, as a group of isolates from a more restricted part of Malaysia separated from the rest with relatively low similarity, indicating that there might be distinct pathotypes of the bacterium present in Malaysia.

Item Type:Article
Keyword:Citrus; Citrus bacterial canker (CBC); Rep-PCR; Xcc.
Faculty or Institute:Faculty of Agriculture
Publisher:Institute of Plant Protection
ID Code:29497
Deposited By: Norhazura Hamzah
Deposited On:19 Aug 2014 10:52
Last Modified:10 Sep 2015 16:05

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