%D 2015 %L icrisat10198 %I CGIAR and CAB International %T Varietal Adoption, Outcomes and Impact %P 388-405 %A T S Walker %A J Alwang %A A Alene %A J Ndjuenga %A R Labarta %A Y Yigezu %A A Diagne %A R Andrade %A R M Andriatsitohaina %A H D Groote %A K Mausch %A C Yirga %A F Simtowe %A E Katungi %A W Jogo %A M Jaleta %A S Pandey %A D Kumara Charyulu %E T S Walker %E J Alwang %B Crop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan Africa %C UK %X Parallel to the preceding chapter, we synthesize the results of Chapters 6–17 here. The focus is on outcomes and impacts. Outcomes centre on varietal adoption and turnover; impacts refer to changes in on-farm productivity, poverty and food security. Hypotheses from Chapter 3 are revisited at the end of each thematic section... %K Improved varieties, Sub-Sharan Africa, Food crops, Varietal adoption