ArticleViruses2024
An Alarming Eastward Front of Cassava Mosaic Disease in Development in West Africa.
Article in Viruses, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- The Alarming Eastward Front of Cassava Mosaic Disease Reported in Guinea and Sierra Leone Reaches Western Côte d'Ivoire.Viruses · 2026Article
- Reinfection Dynamics of Disease-Free Cassava Plants in Three Agroecological Regions of Côte d'Ivoire.Viruses · 2025Article
- Identification and Distribution of Begomoviruses Infecting Cassava Fields in Sierra Leone.Plants (Basel, Switzerland) · 2025Article
- A BAC-guided haplotype assembly pipeline increases the resolution of the virus resistance locus CMD2 in cassava.Genome biology · 2025Article
- Article
- Cassava mosaic disease in Burkina Faso: epidemiological aspects and disease management perspectives.Discover agriculture · 2025Article
- Emergence of begomoviruses and DNA satellites associated with weeds and intercrops: a potential threat to sustainable production of cassava in Côte d'Ivoire.Frontiers in plant science · 2025Article
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14 authors.
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Abstract
Begomoviruses are a major threat to cassava production in Africa. Indeed, during the 1990s, the emergence of a recombinant begomovirus (East African cassava mosaic virus-Uganda, EACMV-Ug) resulted in crop devastation and severe famine in Uganda. In 2023, during a pre-survey of cassava farms at Forécariah, South-West Guinea, 22 samples showing peculiar cassava mosaic disease (CMD) symptoms were collected, and subsequent laboratory analysis confirmed the presence of EACMV-Ug in the samples. Deep analysis of DNA-A and DNA-B of the EACMV-Ug isolates from Guinea indicated that they are similar to those associated with the severe CMD epidemic in Uganda in the 1990s. Therefore, a country-wide survey was conducted throughout Guinea in April 2024 to evaluate the extent of the spread of EACMV-Ug in the country and to collect critical CMD epidemiological data. Findings showed a high whitefly population in Lower Guinea averaging 17 per plant; however, the data suggest a spread of EACMV-Ug via infected cuttings. High CMD incidence was found in Lower Guinea and Forest Guinea, whereas the highest CMD severity was observed in Forest Guinea (2.70 ± 0.06) and the lowest CMD severity was found in Middle Guinea (2.20 ± 0.05). Several cases of double and triple infections involving African cassava mosaic virus, East African cassava mosaic virus, East African cassava mosaic Cameroon virus, and EACMV-Ug were observed. EACMV-Ug was detected throughout Guinea, as well as from samples collected in 2022 in Kambia (Sierra Leone). The 63 accessions cultivated in Guinea that were assessed in this study were found susceptible to at least one of the viruses cited above. This study alerts us to an alarming situation in development in West Africa and provides scientific evidence to guide the rapid response needed to contain and stop the progression of EACMV-Ug in West Africa.
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