CIP Reports
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Item Memoria de la reunión. Una enfermedad, muchos riesgos: el complejo Punta Morada y su potencial impacto en la agricultura nacional(Report, 2025-06) Polar, V.; Mercado, P.; Andrade-Piedra, J.L.Item Breeding Innovation and Integration Fund: Consumer Testing Report(Report, 2025-04) Nakitto, M.; Guambe, O.; Matsimbe, S.; Bwire, G.; Okoye, B.; Ofoeze, M.; Madu, T.; Mulwa, C.Item Eliciting Market Demand for Advanced Breeding Clones of Roots, Tuber and Banana Crops in Uganda, Nigeria and Côte D’Ivoire(Report, 2025-04) Mulwa, C.K.; Okoye, B.; Kanon, A.; Okumu, B.; Nnabue, I.; Koffi, C.; Nakitto, M.; Bello, A.; Iragaba, P.; Mobio, A.; Okello, J.J.; Nwanze, O.; Bwire, G.; Ssali, R.T.; Madu, T.; Olivier Atsin, G.; Adiko, E.; Sylvie Diby, N.; Kouassi, A.; Ejechi, M.; Okoye, C.; Onyemauwa, N.; Ofoeze, M.; Ukeje, B.; Teeken, B.Roots, tubers, and bananas (RTBs) play an important role in food security and income generation in Uganda, Nigeria, and Côte d'Ivoire, serving as essential sources of food security, nutrition and wealth creation because of the numerous opportunities within the value chain. Despite their significance, demand for improved varieties of these crops is still very low, due to several barriers including, limited access to quality planting materials, low consumer awareness, among others. While these traditional barriers to improved variety adoption are binding, neglect of end-user preferences, especially for quality traits, in the variety development process is gaining tract as an important constraint to widespread adoption of new improved varieties. This has led to a shift in breeding programs towards demand-led breeding for enhanced acceptability of new varieties for higher adoption. These studies aim to understand the acceptability of advanced clones of RTB crops emanating from demand-led breeding lines, as an indication of their acceptability and potential adoption by end-users, and for feedback to the breeding programs on trait prioritization. The studies employ an experimental auction approach to elicit consumer demand for advanced breeding clones of sweetpotato, cassava and plantain across three countries (Uganda, Nigeria, and Cote D’Ivoire), based on various quality traits The study finds that consumer demand for improved sweetpotato clones in Uganda is significantly influenced by sensory attributes such as taste and appearance, and that urban consumers have higher WTP for clones that are nutritionally enhanced and have better taste, compared to their rural counterparts. Similar patterns are observed in Nigeria and Cote D’Ivoire, where cassava products like gari and fufu, and plantain, respectively, are preferred based on traditional consumption traits. The studies highlight the importance of understanding end-user demand for RTBs products, based on intrinsic preferences, and the need for prioritizing quality traits such as taste, nutrition, and visual appearance, in the development of new improved RTB varieties, for enhanced acceptance, demand, and adoption. Similarly, on the demand side, the studies show that enhancing consumer awareness on hidden traits, such as nutritional benefits, are critical in improving demand for varieties with such traits.Item Costing report: White/Cream Fleshed Product Profile. National Crops Resources Research Institute (NaCRRI)(Report, 2024-10) Yada, B.; Otema, M.; Chelangat, D.M.; Osaru, F.; Musana, P.; Atugonza, K.; Wembabazi, E.; Kisseka, F.; Alajo, A.; Namakula, J.; Aboyo, R.; Sunday, L.; Asiimwe, J.; Nusula, N.; Nakasujja, F.; Nakimera, G.; Alalo, M.D.; Wasswa, G.Item Costing of White Fleshed Sweetpotato pipeline by CIP in Mozambique(Report, 2024-10) Makunde, G.S.; Madroba, G.; Covele, G.; Langa, C.B.; Chichango, A.; Hélio, J.; Das, B.; Musundire, L.; Milic, D.; Odiyo, O.; Madahanna, S.; Mutiga, S.Item Costing of Orange Fleshed Sweetpotato pipeline by CIP in Mozambique(Report, 2024-10) Makunde, G.S.; Madroba, G.; Covele, G.; Langa, C.B.; Chichango, A.; Hélio, J.; Das, B.; Musundire, L.; Milic, D.; Odiyo, O.; Madahanna, S.; Mutiga, S.Item Costing Report: East Africa High Sweetpotato Virus (SPVD) Pressure Zone Orange-Fleshed Sweetpotato (OFSP)(Report, 2024-10) Bwire, G.; Ssali, R.T.; Das, B.; Musundire, L.; Milic, D.; Odiyo, O.; Madahanna, S.; Mutiga, S.Item Costing Report: East Africa High Sweetpotato virus (SPVD) pressure zone White fleshsed Sweetpotato (WFSP)(Report, 2024-10) Bwire, G.; Ssali, R.T.; Das, B.; Musundire, L.; Milic, D.; Odiyo, O.; Madahanna, S.; Mutiga, S.Item Item Sweetpotato Product Advancement Meeting Report for Uganda(Report, 2025-03) Nakitto, M.; Serunkuma, E.; Namanda, S.The meeting focused on involving stakeholders in Uganda in advancing promising sweetpotato clones suitable for the East African market segments, and refining sweetpotato breeding product profiles. Germplasm from CIP’s Sweetpotato Breeding Program for the East Africa region and NARO’s National Sweetpotato Breeding Program were evaluated. Breeding teams provided updates on the performance of clones in preliminary yield trials (PYT) and advanced yield trials (AYT), emphasizing yield, disease resistance, and quality traits. Key outcomes included: Recommendations for On-Farm Testing and National Performance Trials: • Two white-fleshed sweetpotato (WFSP) clones from CIP’s breeding program demonstrated a 20% higher storage root yield compared to the check clone ‘NASPOT 11’ (13.4 t/ha). • Seven WFSP clones from NARO’s breeding program showed an 18% yield advantage over ‘NAROSPOT 1’ (26.01 t/ha). Advancement of Promising Clones to Advanced Yield Trials (AYT): • Fifteen (15) WFSP clones from CIP’s breeding program, with storage root yield ranging between 27.61 t/ha (‘UGP202000303-32’) to 42.27 t/ha (‘UGP202000062-16’), were advanced to AYT. • Twelve (12) orange-fleshed sweetpotato (OFSP) clones, with storage root yield ranging between 19.03 t/ha(‘UGP202000177-8’) to 34.37 t/ha (‘UGP202000052-10’), were advanced to AYT based on the storage root yield threshold (15t/ha) for the OFSP target product profile. Refinement of thresholds in the TPP: • Threshold scores for root shape were revised to accommodate shapes suitable for packaging sweetpotato roots by traders. These achievements highlight significant progress in sweetpotato breeding and a strong commitment to delivering high-performing varieties for the region.Item Comprehensive Report on Sweetpotato Breeding Network Meetings in East and Southern Africa 2024(Report, 2025-03) International Potato Center; CGIAR Initiative on Accelerated BreedingThe CGIAR-NARS Breeding Network serves as a pivotal collaboration platform, integrating the expertise of the CGIAR system with National Agricultural Research Systems (NARS) to develop and disseminate improved sweetpotato varieties across sub-Saharan Africa (SSA). This network operates through two sub-regional frameworks—the Southern Africa Sweetpotato Breeding Network (SAF) and the Eastern Africa Sweetpotato Breeding Network (EAF)—each addressing the unique agro-ecological and market requirements of their sub regions. In November 2024, the SAF and EAF networks convened separate meetings in Harare, Zimbabwe, and Kampala, Uganda, respectively, to evaluate breeding progress, refine priorities, and strengthen regional collaboration. The meetings brought together national breeding leads, representatives from CIP and ABI, and other stakeholders, with discussions revolving around breeding program assessments, cost the structure of breeding pipelines, alignment of regional, and national market segment, capacity-building needs, and infrastructure development.Item Improved Correlation between Instrumental and Sensory Texture of Boiled Sweetpotato(Report, 2025-03) Nakitto, M.; Ayetigbo, O.; Moyo, M.; Ssali, R.T.Sensory texture drives consumer liking among sweetpotato consumers globally prompting the need to integrate consumer preferences in sweetpotato breeding. The study aimed to (1) revisit correlation between sensory texture, particularly firmness and instrumental texture parameters and (2) compare instrumental texture parameters to consumer acceptability and establish thresholds. To compare sensory texture and instrumental texture, sweetpotato roots were harvested from Advanced Yield Trials (AYT) planted in season 2023B from Rwebitaba (n=17) and 2023B Elite clones from Namulonge (n=11). To compare between instrumental texture and consumer acceptability, seven genotypes of contrasting texture were grown and harvested on-station in Namulonge. Instrumental texture analysis was conducted following a TPA double compression procedure to compress pieces of cooked sweetpotato (steaming time = 25 minutes) with a dimension of 30 X30 X 20 mm. Descriptive sensory analysis was performed by trained panelists and 100 consumers participated in the consumer testing survey in Kawempe division (Kampala – Uganda) where they rated samples for firmness on 5-point just-about-right (JAR) scales. Pearson correlations was used to explore the relationship between averages of sensory texture attributes and those of instrumental texture parameters. Results indicated that instrumental texture hardness was correlated with hardness by hand (r = 0.809) and in mouth (r=0.758) as well as mealiness by hand (r=0.768) and in mouth (r=0.746). The intersection of the JAR curves corresponds to an instrumental hardness of 28N which is the ideal proposed threshold for firmness pending validation. Considering a consumer acceptability of 70%, the threshold for instrumental hardness is 52-120N. These results confirm the validity of the established instrumental texture method for evaluating boiled sweetpotato quality.Item Seed Technology Transfer in Africa. End of PASTTA II Project Report(Report, 2025-03) International Potato CenterItem Project report. Technology transfer in Africa. End of PASTTA II(Report, 2024-12) International Potato CenterItem Reporte técnico del desafio de innovación made in agraria 2024(Report, 2024-12) Fuentes, A.El desafío de innovación “Made in Agraria 2024: Innovando por un futuro sostenible” es una competencia de emprendimiento e innovación en ciencias agrarias, naturales y alimentarias, organizado por la Incubadora de Empresas de la Universidad Nacional Agraria La Molina (UNALM), Incubagraria, en alianza con el Centro Internacional de la Papa (CIP) y ejecutado en coordinación con el Vicerrectorado de Investigación de la UNALM. En el caso de Incubagraria, este desafío es organizado en el marco del del Proyecto “Hub de Innovación y emprendimiento en cambio climático”, el cual busca identificar soluciones e innovaciones enfocadas en la adaptación y/o mitigación al cambio climático en cinco áreas temáticas: energía limpia, economía circular, economía azul, sistemas alimentarios y soluciones urbanas. En el caso del CIP este desafío es organizado en el marco de la Iniciativa “Ciudades Resilientes a través de Sistemas Alimentarios urbanos y periurbanos sostenibles”, con el objetivo de identificar ideas de negocios y/o soluciones innovadoras para atender las problemáticas de las cadenas agroalimentarias de la ciudad de Lima. Asimismo, esta actividad se desarrolló dentro del paquete de trabajo 5 de la Iniciativa Ciudades Resilientes del CIP-CGIAR. Este paquete de trabajo tiene como objetivo mejorar las capacidades de investigación e innovación de los investigadores y estudiantes de universidades locales. Por su parte, la iniciativa Ciudades Resilientes del CIP-CGIAR es una iniciativa global implementada en 5 países de África, Asia y América Latina y busca fortalecer las capacidades de los sistemas alimentarios urbanos de las crecientes poblaciones urbanas del mundo.Item Programa piloto de emprendimiento con impacto social basado en cultivos hidropónicos 2024. Informe final(Report, 2024-12) Fuentes, A.El “Programa piloto de cultivos hidropónicos en Manchay”, fue desarrollado en la Olla común Virgen del Rosario 2 en la comunidad de Manchay, distrito de Pachacamac en la ciudad de Lima. En este programa se instaló un módulo hidropónico y se brindaron talleres básicos de manejo de cultivos hidropónicos y de emprendimiento para los beneficiarios de esta olla común. Esta actividad se realizó en alianza con Incubagraria, la incubadora de empresas de la Universidad Nacional Agraria La Molina y en coordinación con los dirigentes de la Red de Ollas Comunes de Manchay.Item The contribution of potato to food security, income generation, employment, and the national economy of Ethiopia(Report, 2025-01) Tadesse, B.; Gebeyehu, S.; Kirui, L.; Maru, J.Item Informe de avances de la plataforma EncontrAR: Fortaleciendo la resiliencia de la agricultura familiar andina frente al cambio climático (Gestión 2024)(Report, 2025-01) Lenkiza Angulo, A.; Castellanos, A.; Haan, Stef de; Fonseca, C.; Martínez, D.; Mavila, M.; Mercado, P.; Ochoa, J.; Pradel, W.; Sotomayor, J.Item Sweetpotato and Cassava Seed Requirement Estimates (SRE) Workshop at Geita, Tanzania(Report, 2024-12) International Potato Center