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In many parts of Asia food security and poverty remain issues even though arable land is available to produce nutritious food. Sustainable intensification of agricultural systems has been proposed to produce more outputs on same land area whilst minimizing environmental degradation. Tradeoffs, ho...


Gatto, M.Petsakos, A.Hareau, G.[Sustainable intensification of rice-based systems with potato in eastern indo-gangetic plains.]Sustainable intensification of rice-based systems with potato in eastern indo-gangetic plains.

Achieving and maintaining global food security is challenged by changes in population, income, and climate, among other drivers. Assessing these challenges and possible solutions over the coming decades requires a rigorous multidisciplinary approach. To answer this challenge, the International Fo...


Robinson, S.Mason-D'Croz, DanielIslan, S.Cenacchi, N.Creamer, BernardoGueneau, A.Hareau, G.Kleinwechter, U.Mottaleb, K.Nedumaran, S.Robertson, R.Rosegrant, Mark W.Sika, G.Sulser, T.B.Wiebe, K.[Climate change adaptation in agriculture: Ex ante analysis of promising and alternative crop technologies using DSSAT and IMPACT]Climate change adaptation in agriculture: Ex ante analysis of promising and alternative crop technologies using DSSAT and IMPACT

The results from the expert survey presented in this report provide an insight into the perceptions of the potato community of practice about the priorities and needs for potato research and offer evidence about the relative importance of individual research options and constraints.


Kleinwechter, U.Hareau, G.Suarez, V.[Prioritization of options for potato research for development: Results from a global expert survey.]Prioritization of options for potato research for development: Results from a global expert survey.

Achieving and maintaining global food security is challenged by changes in population, income, and climate, among other drivers. Assessing these threats and weighing possible solutions requires a robust multidisciplinary approach. One such approach integrates biophysical modeling with economic mo...


Islam, S.Cenacchi, N.Sulser, T.B.Gbegbelegbe, SikaHareau, G.Kleinwechter, U.Mason-D'Croz, DanielNedumaran, S.Robertson, R.Robinson, S.Wiebe, K.[Structural approaches to modeling the impact of climate change and adaptation technologies on crop yields and food security]Structural approaches to modeling the impact of climate change and adaptation technologies on crop yields and food security

This article examines how the estimated impacts of crop technologies vary with alternate methods and assumptions, and also discusses the implications of these differences for the design of studies to inform research prioritization. Drawing on international potato research, we show how foresight s...


Petsakos, A.Hareau, G.Kleinwechter, U.Wiebe, K.Sulser, T.[Comparing modeling approaches for assessing priorities in international agricultural research]Comparing modeling approaches for assessing priorities in international agricultural research

In this study we close the identified gaps in the existing literature and databases by documenting release and adoption of improved sweetpotato varieties in eight major sweetpotato producing countries in Southeast, South, and East Asia. Methodologically, this study adopts a refined expert elicita...


Gatto, M.Hareau, G.Pradel, W.Suarez, V.Qin, J.[Release and adoption of improved sweetpotato varieties in Southeast and South Asia]Release and adoption of improved sweetpotato varieties in Southeast and South Asia

Potato is the most important non-grain crop in the world. Therefore, understanding the potential impacts of climate change on potato production is critical for future global food security. The SUBSTOR-Potato model was recently evaluated across a wide range of growing conditions, and improvements ...


Raymundo, R.Asseng, SentholdRobertson, R.Petsakos, A.Hoogenboom, GerritQuiróz, R.Hareau, G.Wolf, J.[Climate change impact on global potato production]Climate change impact on global potato production

In the coming decades, feeding the expanded global population nutritiously and sustainably will require substantial improvements to the global food system worldwide. The main challenge will be to produce more food with the same or fewer resources. Food security has four dimensions: food availabil...


Devaux, A.Goffart, J.Petsakos, A.Kromann, P.Gatto, M.Okello, J.J.Suarez, V.Hareau, G.[Global food security, contributions from sustainable potato agri-food systems.]Global food security, contributions from sustainable potato agri-food systems.

The widely recognized role of roots, tubers and bananas (RT&Bs) in achieving food security and providing income opportunities in the world’s poorest regions will be challenged by socioeconomic and climate related drivers. These will affect demand and production patterns and increase pressure on f...


Petsakos, A.Prager, S.D.González, Carlos EduardoGbegbelegbe, S.Kikulwe, E.Hareau, G.Chibwana, A.Sulser, T.B.[Understanding the consequences of changes in the production frontiers for roots, tubers and bananas.]Understanding the consequences of changes in the production frontiers for roots, tubers and bananas.

Miethbauer, T.Hareau, G.[Participation is not for free: A cost study on the application of participatory variety selection by Mother-and-Baby-trials for potato breeding in Peru.]Participation is not for free: A cost study on the application of participatory variety selection by Mother-and-Baby-trials for potato breeding in Peru.

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