Elucidating the Colletotrichum spp. diversity responsible for papaya anthracnose in Brazil |
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| Institution: | 1. Departamento de Agronomia, Universidade Federal Rural de Pernambuco, Recife, Pernambuco, Brazil;2. Rua Dom Manuel de Medeiros, s/n - Dois Irmãos, Recife, PE, 52171-900, Brazil;3. Department of Plant Pathology and Crop Physiology, Louisiana State University AgCenter, Baton Rouge, LA, USA;4. Mycology and Nematology Genetic Diversity and Biology Laboratory, US Department of Agriculture Beltsville, Maryland, USA;1. Centre of Advanced Study, Department of Botany, University of Calcutta, 35, B.C. Road, Kolkata, 700019, India;2. Department of Botany, Vidyanagar College, West Bengal, 743503, India;3. Department of Botany, Sidho-Kanho-Birsha University, Ranchi Road, Purulia, 723104, India;4. Department of Geology, University of Calcutta, 35, B.C. Road, Kolkata, 700019, India;1. Department of Regulatory Biology, Faculty of Science, Saitama University, Shimo-Ohkubo 255, Sakura-ku, Saitama, Saitama, 338-8570, Japan;1. Laboratorio de Biología Funcional y Biotecnología (BIOLAB)-CICBA-INBIOTEC-CONICET, Facultad de Agronomía, UNCPBA, Av. República de Italia 780, Azul (7300), Buenos Aires, Argentina;2. Grupo Biotecnología y Recursos Genéticos, EEA INTA Marcos Juárez, Ruta 12 s/n, Marcos Juárez (CP2580), Córdoba, Argentina;3. Instituto Tecnológico Chascomús (INTECH), Universidad Nacional de General San Martín (UNSAM)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Intendente Marino Km 8.2, CC 164 (7130) Chascomús, Argentina;4. Centro de Investigaciones Integradas sobre Sistemas Agronómicos Sustentables (CIISAS), Facultad de Agronomía, UNCPBA. Av. República de Italia 780, Azul (7300), Buenos Aires, Argentina;1. Plant Sciences Department, Migal – Galilee Research Institute, Tarshish 2, Kiryat Shmona, 11016, Israel;2. Faculty of Sciences, Tel-Hai College, Upper Galilee, Tel-Hai, 1220800, Israel;1. Estación Experimental Agroindustrial Obispo Colombres (EEAOC), Av. William Cross 3150, Las Talitas, Tucumán, CP: T4101XAC, Argentina;2. Instituto de Tecnología Agroindustrial del Noroeste Argentino (ITANOA), Estación Experimental Agroindustrial Obispo Colombres (EEAOC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). CCT NOA Sur, Av. William Cross 3150, Las Talitas, Tucumán, CP: T4101XAC, Argentina;3. Instituto de la Grasa (CSIC), Departamento de Biotecnología de Alimentos, Campus Universitario Pablo de Olavide, Building 46, Ctra. Sevilla-Utrera, km 1, 410013, Seville, Spain;4. Universidad de Extremadura (UEx), Facultad de Ciencias, Av. Elvas s/n, 06006, Badajoz, Spain |
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| Abstract: | Papaya (Carica papaya L.) is among the most important tropical fruits produced in Brazil and is grown in nearly every state. However, several diseases can affect papaya production. Anthracnose stands out among these diseases due to high postharvest yield losses. Previous studies identified Colletotrichum magna (invalid name) and Colletotrichum gloeosporioides causing anthracnose of papaya in Brazil, but species identification was inadequate due to reliance on nuclear ribosomal internal transcribed space (nrITS) and glutamine synthetase (GS) sequences. Thus, the diversity of Colletotrichum spp. causing papaya anthracnose in Brazil may be underestimated. The present study aims to identify the Colletotrichum species associated with papaya anthracnose in Brazil based on broad geographical sampling and multilocus phylogenetic analysis, as well as to assess the prevalence and aggressiveness of the species found. Here, we report C. chrysophilum, C. fructicola, C. gloeosporioides, C. karsti, C. okinawense, C. plurivorum, C. queenslandicum, C. siamense, C. theobromicola, Colletotrichum truncatum causing papaya anthracnose in Brazil. We are also synonymizing Colletotrichum corchorum-capsularis under C. truncatum. Colletotrichum okinawense was the most prevalent species in general and in most sampled locations, and with C. truncatum represents the most aggressive species. |
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| Keywords: | Aggressiveness Multilocus Phylogeny Prevalence |
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