This chapter focuses on the adoption and turnover of cultivars of crops, such as soyabean, maize, pigeon pea, wheat, cassava, rice, potato, barley, yam, groundnut, bean, sorghum, cowpea, pearl millet, chickpea, faba bean, lentil, sweet potato, banana and pea, in Africa South of Sahara. The changes...

This book contains 21 chapters presenting the most comprehensive, accurate and informative view of the spread of improved crop cultivars in Africa south of Sahara. The importance of the diffusion and adoption of different crop cultivars and the impacts of the use of these improved cultivars are...

This chapter focuses on the potential contributions of modern cultivar change to agricultural development in Africa south of Sahara. The direct positive consequences of the use of improved cultivars for food security are discussed and the role of modern cultivar change in setting the stage for the...

This chapter aims to document evidence about agricultural research investments, describe patterns of change over time, and discuss the current state of knowledge and knowledge gaps. The chapter begins with a discussion of information sources and inherent challenges in assembling consistent time...

This chapter focuses on the assessment of the performance of maize and wheat crop improvement in East and Southern Africa. Information on cultivar output and adoption in countries in East and Southern Africa is also presented.

In the past four decades, more than 40 improved maize varieties, including hybrids and open-pollinated varieties, have been developed and released in Ethiopia by the Ethiopian Institute of Agricultural Research in collaboration with the International Maize and Wheat Improvement Centre. Most...

This chapter documents the spread and determinants of adoption of improved bean cultivars in Uganda and Rwanda, assesses the causal impact of crop genetic improvement in beans on household welfare and examines the impact of adoption of improved beans on household food security.

This chapter focuses on the lessons learned from the diffusion and impact of improved varieties in Africa (DIIVA) experience about ongoing monitoring and measurement of cultivar diffusion and its impacts. The importance of the better use of data for ongoing and future assessment, information on use ...

Integrated pest management (IPM) is a crop protection strategy that integrates multiple practices, disciplines and concerns for economic, ecological and social wellbeing. Therefore, impact assessment of IPM can focus on a single IPM practice, a few practice(s) or on a complete IPM strategy. This...

This chapter focuses on the improved cultivar generation of various crops (maize, cassava, rice, bean, potato, cowpea, wheat, soyabean, sweet potato, yam, sorghum, groundnut, banana, chickpea, pigeon pea, barley, pearl millet, faba bean, lentil and pea) in Africa South of the Sahara. Information of ...