Genomic approaches and prospects for breeding flood-tolerant rice in Africa

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dc.creatorBulegeya, Victoria
dc.creatorKilasi, Newton
dc.creatorHussain, Waseem
dc.creatorMurori, Rosemary
dc.creatorBilaro, Atugonza
dc.creatorIsmail, Abdelbagi
dc.creatorNchimbi-Msolla, Susan
dc.date2025-11-22
dc.date2026-01-09T01:14:32Z
dc.date2026-01-09T01:14:32Z
dc.date.accessioned2026-06-27T04:12:32Z
dc.descriptionFlooding is among the most devastating abiotic stresses for food crops, recently aggravated by climate change, especially in rainfed rice-producing areas of Africa. Breeding for tolerance to flooding stress has been slow, with flood-tolerant varieties released in few countries. This review explores the status of breeding efforts for flooding tolerance improvement in Africa, summarizing the progress made, identifying breeding gaps, and highlighting available breeding opportunities. The review also pinpoints the existing genomic resources, including key genes and QTLs for flooding tolerance, such as SUBMERGENCE 1 (SUB1) for complete submergence, SNORKEL 1 (SK1) and SNORKEL 2 (SK2) for deep water flooding,and qAG-9-2 (AG1) and qAG-7-2 (AG2) for anaerobic germination. These genetic resources provide a valuable platform for African breeders to incorporate multiple stress tolerance traits into elite cultivars. Consequently, we emphasized the need for integrating modern breeding tools with traditional breeding methods to expedite the deployment of flood-tolerant varieties in Africa.
dc.formatapplication/pdf
dc.identifierhttps://hdl.handle.net/10568/179569
dc.identifier.urihttp://hdl.handle.net/123456789/25142
dc.languageen
dc.publisherTaylor & Francis
dc.rightsOpen Access
dc.sourceBulegeya, Victoria, Newton Kilasi, Waseem Hussain, Rosemary Murori, Atugonza Bilaro, Abdelbagi Ismail, and Susan Nchimbi-Msolla. "Genomic approaches and prospects for breeding flood-tolerant rice in Africa." Journal of Plant Interactions 20, no. 1 (2025): 2582346.
dc.subjectrice
dc.subjectflooding tolerance
dc.subjectbreeding methods
dc.subjectgenomics
dc.subjectproductivity
dc.subjectyields
dc.subjectself-sufficiency
dc.subjectsustainability
dc.titleGenomic approaches and prospects for breeding flood-tolerant rice in Africa
dc.typeJournal Article

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Instituto Internacional de Investigación del Arroz (IRRI)