ISSN 2329-9835
International Journal of Diseases and Disorders ISSN 2329-9835 Vol. 11 (10), pp. 001-006, October, 2023. © International Scholars Journals
Full Length Research Paper
Current Situation of Citrus tristeza virus (CTV) in Peninsular Malaysia
Kavous Ayazpour1, Kamaruzaman Sijam1*, Ganesan Vadamalai1, Hawa Jaafar2
1Plant Protection Department, Faculty of Agriculture, University Putra Malaysia, 43400, Malaysia.
2Crop Science Department, Faculty of Agriculture, University Putra Malaysia, 43400, Malaysia.
Accepted 21 June, 2023
Abstract
Citrus tristeza virus (CTV) is the most important viral disease of Citrus spp. and has a worldwide distribution. Results of ELISA and PCR showed that all Citrus varieties including Fortunella sp., Citrofortunella microcarpa and Citromelo in major citrus growing areas of Malaysia had a high infection rate with CTV. In most areas, pomelo however was free of infection, but in Cameron Highlands, we found some strains of CTV that were severe to Citromelo and pomelo. Phylogeny studies revealed that these strains were similar to CTV isolates from China and Japan and were very different from CTV isolates from USA and New Zealand.
Key words: Citrus tristeza virus, phylogeny analysis, strain, CP gene, Malaysia.