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| Chilli anthracnose disease caused by Colletotrichum species |
| Po Po THAN, Haryudian PRIHASTUTI, Sitthisack PHOULIVONG, Paul W.J. TAYLOR, Kevin D. HYDE |
| International Fungal Research and Development Centre, the Research Institute of Resources Insect, Chinese Academy of Forestry, Kunming 650224, China; BioMarka, School of Agriculture and Food Systems, University of Melbourne, Victoria 3010, Australia; Fungal Research Group, School of Science, Mae Fah Luang University, Tasud, Chiang Rai 57100, Thailand; Department of Biotechnology, Faculty of Agriculture, Brawijaya University, Malang 65145, Indonesia; Mushroom Research Centre, 128 Moo 3 T. Pa Pae, A. Mae Taeng, Chiang Mai 50150, Thailand; Department of Plant Science, Faculty of Agriculture, National University of Laos, Vientiane, Lao PDR |
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Abstract Anthracnose disease is one of the major economic constraints to chilli production worldwide, especially in tropical and subtropical regions. Accurate taxonomic information is necessary for effective disease control management. In the Colletotrichum patho-system, different Colletotrichum species can be associated with anthracnose of the same host. Little information is known concerning the interactions of the species associated with the chilli anthracnose although several Colletotrichum species have been reported as causal agents of chilli anthracnose disease worldwide. The ambiguous taxonomic status of Colletotrichum species has resulted in inaccurate identification which may cause practical problems in plant breeding and disease management. Although the management and control of anthracnose disease are still being extensively researched, commercial cultivars of Capsicum annuum that are resistant to the pathogens that cause chilli anthracnose have not yet been developed. This paper reviews the causal agents of chilli anthracnose, the disease cycle, conventional methods in identification of the pathogen and molecular approaches that have been used for the identification of Colletotrichum species. Pathogenetic variation and population structure of the causal agents of chilli anthracnose along with the current taxonomic status of Colletotrichum species are discussed. Future developments leading to the disease management strategies are suggested.
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Received: 05 August 2008
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