Phytosanitary challenges and solutions for roots and tubers in the tropics

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dc.creatorAndrade-Piedra, Jorge L.
dc.creatorSharma, Kalpana
dc.creatorKroschel, Jürgen
dc.creatorOgero, Kwame
dc.creatorKreuze, Jan F.
dc.creatorLegg, James P.
dc.creatorKumar, P. Lava
dc.creatorSpielman, David J.
dc.creatorNavarrete, Israel
dc.creatorPérez, W.
dc.creatorAtieno, Elly
dc.creatorGarrett, Karen A.
dc.date2025-09-03
dc.date2025-09-05T17:27:35Z
dc.date2025-09-05T17:27:35Z
dc.date.accessioned2026-06-27T16:08:47Z
dc.descriptionVegetatively propagated crops such as cassava, potato, sweetpotato, and yam, or roots and tubers (RTs), play a major role in food security in low- and middle-income countries, yet phytosanitary issues in the tropics lead to substantial yield and quality losses. Challenges to production include institutional limitations that prevent effective responses and potential buildup of pathogens during clonal propagation. Addressing these challenges in a climate change context and diverse sociocultural environments requires a multifaceted approach, including improving access and availability to clean seed by strengthening seed systems; breeding for host resistance and disseminating resistant varieties; strengthening on-farm seed management; and designing effective policies and regulations to deal with seedborne diseases. Vital cross-cutting activities that can help to tackle the phytosanitary challenges of RTs include capacity strengthening, research on emergent pathogens, and improving regional cooperation and harmonization of phytosanitary standards to manage transboundary seed movement.
dc.identifierhttps://hdl.handle.net/10568/176357
dc.identifier.urihttp://hdl.handle.net/123456789/123789
dc.languageen
dc.publisherAnnual Reviews
dc.relationhttps://doi.org/10.1080/15427528.2021.1881011
dc.relationhttps://doi.org/10.1016/j.jdeveco.2023.103242
dc.relationhttps://doi.org/10.1016/j.agsy.2025.104441
dc.rightsOpen Access
dc.sourceAndrade-Piedra, Jorge L.; Sharma, Kalpana; Kroschel, Jürgen; Ogero, Kwame; Kreuze, Jan; Legg, James P.; et al. 2025. Phytosanitary challenges and solutions for roots and tubers in the tropics. Annual Review of Phytopathology 63: 627-650. https://doi.org/10.1146/annurev-phyto-021722-030316
dc.subjectfood security
dc.subjectphytosanitary measures
dc.subjectvegetable crops
dc.subjectdiseases
dc.subjectseed systems
dc.subjectcontrol methods
dc.titlePhytosanitary challenges and solutions for roots and tubers in the tropics
dc.typeJournal Article

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Instituto Internacional de Agricultura Tropical (IITA)