Supporting Investments in Upscaling of Grain Legumes in Western Kenya through Assessing and Modeling the Threat of Biotic Stressors

Published on 10 September 2013

Research Areas




Start Date: 1 September 2012 | End Date: 28 February 2014


A major goal of this project is to guide ongoing and future crop/varietal deployment efforts, improve strategic decision making, increase the likelihood of crop/varietal adoption and thus the improvement of farmer livelihoods by determining the extent and pattern of the threat posed by pests and diseases to current legume up/out-scaling efforts in W. Kenya.
The specific objectives of this study are to:

  • Determine and map the actual distribution (incidence and severity) of legume pests and diseases in W. Kenya – both individually and in combination
  • Ascertain extent and pattern of biotic stress problems on legumes being deployed at scale in comparison with legumes being grown in parallel under “normal” farmer conditions
  • Conduct rapid assessment of the impact of agroecological variables (pest/disease dispersal mechanisms, host diversity, host resistance and host patch size, barriers and corridors, multi-trophic interactions, habitat management at plot and landscape levels, and climatic and edaphic factors) on pest/disease dynamics with the aim of refining a framework for ecological pest management and applying it to the pest complex that is identified through the survey.



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