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Davrieux, FabriceDufour, D.L.Dardenne, PierreBelalcázar, JohnPizarro, MonicaLuna Meléndez, Jorge LuisLondoño, Luis FernandoJaramillo Valencia, Angélica M.Sánchez, TeresaMorante, NelsonCalle, FernandoBecerra López Lavelle, Luis AugustoCeballos, H.[LOCAL regression algorithm improves near infrared spectroscopy predictions when the target constituent evolves in breeding populations]LOCAL regression algorithm improves near infrared spectroscopy predictions when the target constituent evolves in breeding populations

The most commonly used method for measuring carotenoid concentration is high-performance liquid chromatography (HPLC). Nevertheless, easier, quicker, and less costly proxy methods exist. We aimed to determine the diagnostic performance of several proxy methods: the spectrophotometer, iCheck Carot...


Jaramillo Valencia, Angélica M.Londoño, Luis FernandoOrozco, Juan CamiloPatiño, GelverBelalcázar, JohnDavrieux, FabriceTalsma, Elise F.[A comparison study of five different methods to measure carotenoids in biofortified yellow cassava (Manihot esculenta)]A comparison study of five different methods to measure carotenoids in biofortified yellow cassava (Manihot esculenta)

Past research developed reliable equations to base selections for high β-carotene on near-infrared spectroscopy (NIR) predictions (100 genotypes d−1) rather than with high-performance liquid chromatography (HPLC) (<10 samples d−1). During recent harvest, CIAT made selections based on NIR predicti...


Belalcázar, JohnDufour, D.L.Andersson, Meike S.Pizarro, MónicaLuna, JorgeLondoño, Luis FernandoMorante, NelsonJaramillo Valencia, Angélica M.Pino, LizbethBecerra López Lavelle, Luis AugustoDavrieux, FabriceTalsma, Elise F.Ceballos, H.[High-throughput phenotyping and improvements in breeding cassava for increased carotenoids in the roots]High-throughput phenotyping and improvements in breeding cassava for increased carotenoids in the roots

Ten and thirty cassava genotypes producing wildtype and amylose‐free (waxy) starch respectively, are grown at low (LA) and intermediate (IA) altitudes (<213 and >900 m above sea level (m.a.s.l.) respectively). The functional properties of the starch from these materials are analyzed. The relative...


Karlström, AmandaBelalcázar, JohnSánchez, TeresaLenis, Jorge I.Moreno, John L.Pizarro, MónicaRicci, JulienDufour, DominiqueTran, ThierryCeballos, Hernán[Impact of Environment and Genotype-by-Environment Interaction on Functional Properties of Amylose-Free and Wildtype Cassava Starches]Impact of Environment and Genotype-by-Environment Interaction on Functional Properties of Amylose-Free and Wildtype Cassava Starches

Se describen las principales caracteristicas morfologicas de Centrosema brasilianum, una leguminosa forrajera que se adapta bien a las condiciones edaficas y climaticas en los tropicos de America, y se hace una evaluacion agronomica de 7 ecotipos seleccionados. C. brasilianum es una leguminosa en...


Belalcázar, JohnSchultze-Kraft, Rainer[Centrosema brasilianum (L.) Benth.: Descripcion de la especie y evaluacion agronomica de siete ecotipos]Centrosema brasilianum (L.) Benth.: Descripcion de la especie y evaluacion agronomica de siete ecotipos

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