Evidence of Citrus Exocortis Viroid in Thailand

Authors

  • Kanungnit Reanwarakorn Department of Plant Pathology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand.
  • Somboon Pomma Department of Plant Pathology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand.
  • Supat Attathom Department of Plant Pathology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand.

Keywords:

citrus, RT-PCR, CEVd, viroids, lime

Abstract

A new citrus viroid variant was isolated from symptomless lime, Citrus aurantifolia, grown in Chainat Province. Sequencial analysis of viroid molecule was determined to be 371 nucleotides with 98.3% homology to those previously reported of citrus exocortis viroid (CEVd) . Biological assay on Gynura aurantiaca, an indicator host for CEVd, revealed a mild epinasty symptom on leave. Nucleotide sequence of viroid from infected Gynura consisted of 371 nucleotides with 99.1% similarity to citrus viroid primarily isolated from lime with three bases changed. From this study, it is concluded that this viroid isolate is a variant of CEVd and the first citrus viroid being known to Thailand.

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Published

2003-12-31

How to Cite

Kanungnit Reanwarakorn, Somboon Pomma, and Supat Attathom. 2003. “Evidence of Citrus Exocortis Viroid in Thailand”. Agriculture and Natural Resources 37 (4). Bangkok, Thailand:453-59. https://li01.tci-thaijo.org/index.php/anres/article/view/242889.

Issue

Vol. 37 No. 4 (2003): October-December

Section

Research Article

License

online 2452-316X print 2468-1458/Copyright © 2022. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/),
production and hosting by Kasetsart University of Research and Development Institute on behalf of Kasetsart University.