Rice Pests and Diseases Around the World: Literature-Based Assessment with Emphasis on Africa and Asia

Sofia Conde, Sílvia Catarino, Sónia Ferreira, Marina Padrão Temudo and Filipa Monteiro ()
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Sofia Conde: CEF, Forest Research Centre, Associate Laboratory TERRA, School of Agriculture, University of Lisbon, Tapada da Ajuda, 1349-017 Lisbon, Portugal
Sílvia Catarino: CE3C, Centre for Ecology, Evolution and Environmental Changes & CHANGE—Global Change and Sustainability Institute, Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
Sónia Ferreira: CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
Marina Padrão Temudo: CEF, Forest Research Centre, Associate Laboratory TERRA, School of Agriculture, University of Lisbon, Tapada da Ajuda, 1349-017 Lisbon, Portugal
Filipa Monteiro: LEAF, Linking Landscape, Environment, Agriculture and Food Research Center, Associate Laboratory TERRA, School of Agriculture, University of Lisbon, Tapada da Ajuda, 1349-017 Lisbon, Portugal

Agriculture, 2025, vol. 15, issue 7, 1-21

Abstract: Rice is a vital staple crop for global food security, yet a worldwide comprehensive assessment of pests and diseases remains lacking. This study aims to (1) identify globally reported pests and diseases, (2) analyze their distribution patterns, and (3) assess their impact on rice productivity. A literature-based assessment with an initial pool of 15,969 articles from three online databases (PubMed, WOS, and CAB Abstract) resulted in 871 articles for analysis. The findings highlight a regional focus on Africa and Asia, where rice is predominantly produced. Pest occurrence varies across continents, with Diopsis , Maliarpha , and Chilo being prevalent in Africa, while Nilaparvata , Scirpophaga , Sogatella , and Chilo dominate in Asia. Key pathogens differ across regions, with Pyricularia , Xanthomonas , and Sobemovirus in Africa, while Fusarium and Bipolaris are common in Asia. Major yield losses are attributed to Pyricularia (Blast disease), Bipolaris (Brown Spot), Fusarium (Bakanae), and Sobemovirus (Rice Yellow Mottle Virus). The lack of data from major rice producers like Myanmar highlights reporting gaps, urging future research. This study enhances the global understanding of rice pest and disease distribution and their impacts on productivity. It could also support early warning systems and assess the effectiveness of control methods in the context of climate change.

Keywords: causal agents; rice productivity; insects; fungi; Oryza sativa; Oryza glaberrima (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2025
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