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A dynamic human gastrointestinal (GI) model was used to digest cooked tubers from purple-fleshed Amachi and Leona potato cultivars to study anthocyanin biotransformation in the stomach, small intestine and colonic vessels. Colonic Caco-2 cancer cells and non-tumorigenic colonic CCD-112CoN cells w...


Kubow, S.Iskandar, M.M.Melgar-Bermudez, E.Sleno, L.Sabally, K.Azadi, B.How, E.Prakash, S.Burgos, G.Felde, T. zum[Effects of simulated human gastrointestinal digestion of two purple-fleshed potato cultivars on anthocyanin composition and cytotoxicity in colonic cancer and non-tumorigenic cells.]Effects of simulated human gastrointestinal digestion of two purple-fleshed potato cultivars on anthocyanin composition and cytotoxicity in colonic cancer and non-tumorigenic cells.

Understanding what farmers need in potato varieties and assessing available genetic resources at the farmer and district levels is important for the conservation and improvement of potato in Ethiopia. A survey was conducted in six major potato growing districts representing different agro-ecologi...


Kolech, S.A.Halseth, D.Jong, W. dePerry, K.Wolfe, D.Tiruneh, F.M.Schulz, S.[Potato variety diversity, determinants and Implications for potato breeding strategy in Ethiopia.]Potato variety diversity, determinants and Implications for potato breeding strategy in Ethiopia.

La papa constituye uno de los cultivos alimenticios más importantes en la agricultura familiar de la región andina del Perú. En las condiciones agroecológicas de esta región, uno de los factores más importantes que limita los niveles de producción y productividad de la papa es el clima adverso. C...


Arcos, J.Gastelo, M.Holguin, V.[INIA 317: Altiplano, variedad de papa con buena adaptacion en la region altiplanica del Peru.]INIA 317: Altiplano, variedad de papa con buena adaptacion en la region altiplanica del Peru.
Autor: Ordinola, M.

Desde hace algunos años se viene generalizando la adopción de enfoques de intervenciones en la agricultura como estrategia para mejorar el estado nutricional de las poblaciones rurales (Haddad, 20002; Pinstrup-Andersen y Pandya-Lorch, 20013 ). El marco conceptual y teórico en que éstas se desarro...


Ordinola, M.[Agricultura, nutricion y seguridad alimentaria: Un enfoque diferente.]Agricultura, nutricion y seguridad alimentaria: Un enfoque diferente.

Multiple drivers related to changes in climate and socio-cultural structure in the Peruvian Highland are of increasing importance for the loss of the biological diversity of potato landraces and related collective knowledge in their center of diversity. For example in the district of Haquira, whi...


Valdivia Diaz, M.Polreich, S.Torre-Cuadros, M.A. LaHaan, Stef de[Local knowledge of native potato (Solanum spp) for long-term monitoring on three Andean Communities of Apurimac, Peru.]Local knowledge of native potato (Solanum spp) for long-term monitoring on three Andean Communities of Apurimac, Peru.

The major pests and diseases were identified and quantified on thirteen potato landraces and three bred varieties cultivated in Peru. Late blight (Phytophthora infestans) was the primary biotic constraint affecting plants before flowering with an average severity of 24%. No other pathogens caused...


Pérez, W.Valverde Marival, M.Barreto Bravo, M.Andrade-Piedra, J.L.Forbes, G.[Pests and diseases affecting potato landraces and bred varieties grown in Peru under indigenous farming system]Pests and diseases affecting potato landraces and bred varieties grown in Peru under indigenous farming system
Yactayo, W.Ramírez, D.Gutiérrez, R.Mares, V.Posadas, A.Quiróz, R.[Effect of partial root-zone drying irrigation timing on potato tuber yield and water use efficiency.]Effect of partial root-zone drying irrigation timing on potato tuber yield and water use efficiency.
Souza Richards, R.Adams, I.P.Kreuze, J.F.Souza, J. deCuéllar, Wilmer J.Dullemans, A.M.Vlugt, René A.A. van deGlover, R.Hany, U.Dickinson, M.Boonham, N.[The complete genome sequences of two isolates of potato black ringspot virus and their relationship to other isolates and nepoviruses.]The complete genome sequences of two isolates of potato black ringspot virus and their relationship to other isolates and nepoviruses.
Spooner, D.M.Jansky, S.Clausen, A.Herrera, M.R.Ghislain, M.[The enigma of Solanum maglia in the origin of the Chilean cultivated potato, Solanum tuberosum Chilotanum Group.]The enigma of Solanum maglia in the origin of the Chilean cultivated potato, Solanum tuberosum Chilotanum Group.
Thomas-Sharma, SaraAndrade-Piedra, J.L.Carvajal-Yepes, MonicaHernández Nopsa, J.F.Jeger, MichaelJones, RogerKromann, P.Legg, J.P.Yuen, JonathanForbes, G.Garrett, K.A.[A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops]A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops

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