Disease Note: Identification of Curvularia oryzae as cause of leaf spot disease on oil palm seedlings in nurseries of Thailand |
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| Authors: | Anurag Sunpapao Jittra Kittimorakul Chaninun Pornsuriya |
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| Institution: | 1. Department of Pest Management, Faculty of Natural Resources, Prince of Songkla University, Hatyai, Songkhla, 90112, Thailand
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| Abstract: | The causal agent of leaf spot disease of oil palm (Elaeis guineensis) seedling nurseries in Thailand was identified as Curvularia oryzae. The fungus was isolated from leaves with disease symptoms, characterized by morphological properties, and pathogenicity tested. The identity of the phytopathogenic fungus was confirmed through polymerase chain reaction analysis using internal transcribed spacer (ITS) primers, which amplified about a 1 kb product. Sequencing this DNA product confirmed this pathogen was C. oryzae. Furthermore, the pathogenicity test showed that C. oryzae could infect oil palm seedlings. |
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