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CABI Book Chapter

Crop improvement, adoption, and impact of improved varieties in food crops in sub-Saharan Africa.

Book cover for Crop improvement, adoption, and impact of improved varieties in food crops in sub-Saharan Africa.

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Chapter 7 (Page no: 123)

Assessing the effectiveness of agricultural R&D for groundnut, pearl millet, pigeonpea and sorghum in West and Central Africa and East and Southern Africa.

An understanding of the performance of sorghum, pearl millet, and groundnut programmes from the perspectives of scientific capacity, output of released varieties and the level of adoption of these improved varieties is not as comprehensive as in other staple food crops such as maize. This chapter attempts to systematically improve coverage on these aspects and thus inform on the performance of research on crop improvement for these staple food and cash crops in Africa's semi-arid tropics (SAT). This chapter is organized along regional lines. In presenting and discussing research results in each of the sections that follow, findings are reported separately for West and Central Africa's SAT and for the SAT of East and Southern Africa. This regional orientation is preferred to a crop-wise organization because several of the major findings are regional and apply to the same crops within a region of Africa's SAT. Teasing out lessons from a comparison of regional findings leads to a more fundamental definition of the problems, opportunities and successes of and from crop improvement than a comparison of results across crops. These lessons are described in the concluding section of the chapter.

Other chapters from this book

Chapter: 1 (Page no: 1) The importance of generating and documenting varietal change in sub-Saharan Africa. Author(s): Walker, T. S. Alwang, J.
Chapter: 2 (Page no: 7) Investments in and impacts of crop improvement research in Africa. Author(s): Alwang, J.
Chapter: 3 (Page no: 24) Relevant concepts and hypotheses in assessing the performance of food crop improvement in sub-Saharan Africa. Author(s): Walker, T. S.
Chapter: 4 (Page no: 35) Coverage, data and methods in assessing the performance of food crop improvement in sub-Saharan Africa. Author(s): Walker, T. S.
Chapter: 5 (Page no: 44) Genetic improvement of the crops in the 1998 initiative: historical context and exploratory analysis. Author(s): Walker, T. S.
Chapter: 6 (Page no: 74) The effectiveness of crop improvement programmes from the perspectives of varietal output and adoption: cassava, cowpea, soybean and yam in sub-Saharan Africa and maize in West and Central Africa. Author(s): Alene, A. D. Abdoulaye, T. Rusike, J. Manyong, V. Walker, T. S.
Chapter: 8 (Page no: 148) The performance of bean improvement programmes in sub-Saharan Africa from the perspectives of varietal output and adoption. Author(s): Muthoni, R. A. Andrade, R.
Chapter: 9 (Page no: 164) The effectiveness of potato and sweetpotato improvement programmes from the perspectives of varietal output and adoption in sub-Saharan Africa. Author(s): Labarta, R.
Chapter: 10 (Page no: 183) Evaluating the key aspects of the performance of genetic improvement in priority food crops and countries in sub-Saharan Africa: the case of rice. Author(s): Diagne, A. Kinkingninhoun-Medagbe, F. M. Amovin-Assagba, E. Nakelse, T. Sanni, K. Toure, A.
Chapter: 11 (Page no: 206) Assessing the effectiveness of maize and wheat improvement from the perspectives of varietal output and adoption in East and Southern Africa. Author(s): Groote, H. de Gitonga, Z. Mugo, S. Walker, T. S.
Chapter: 12 (Page no: 228) Varietal output and adoption in barley, chickpea, faba bean, field pea and lentil in Ethiopia, Eritrea and Sudan. Author(s): Yigezu, Y. A. Yirga, C. Aw-Hassan, A.
Chapter: 13 (Page no: 239) Scientific strength in rice improvement programmes, varietal outputs and adoption of improved varieties in South Asia. Author(s): Pandey, S. Velasco, M. L. Yamano, T.
Chapter: 14 (Page no: 265) Analysing scientific strength and varietal generation, adoption and turnover in Peninsular India: the case of sorghum, pearl millet, chickpea, pigeonpea and groundnut. Author(s): Charyulu, D. K. Bantilan, M. C. S. Laxmi, A. R. Moses, D. S.
Chapter: 15 (Page no: 294) Maize technologies and rural poverty reduction in Ethiopia. Author(s): Zeng, D. Alwang, J. Norton, G. W. Shiferaw, B. Jaleta, M. Yirga, C.
Chapter: 16 (Page no: 314) Impacts of improved bean varieties on poverty and food security in Uganda and Rwanda. Author(s): Larochelle, C. Alwang, J. Norton, G. W. Katungi, E. Labarta, R. A.
Chapter: 17 (Page no: 338) The diffusion and impact of improved food crop varieties in sub-Saharan Africa. Author(s): Fuglie, K. Marder, J.
Chapter: 18 (Page no: 370) Varietal generation and output. Author(s): Walker, T. S. Alene, A. Ndjuenga, J. Labarta, R. Yigezu, Y. Diagne, A. Andrade, R. Andriatsitohaina, R. M. Groote, H. de Mausch, K. Yirga, C. Simtowe, F. Katungi, E. Jogo, W. Jaleta, M. Pandey, S. Charyulu, D. K.
Chapter: 19 (Page no: 388) Varietal adoption, outcomes and impact. Author(s): Walker, T. S. Alwang, J. Alene, A. Ndjuenga, J. Labarta, R. Yigezu, Y. Diagne, A. Andrade, R. Andriatsitohaina, R. M. Groote, H. de Mausch, K. Yirga, C. Simtowe, F. Katungi, E. Jogo, W. Jaleta, M. Pandey, S. Charyulu, D. K.
Chapter: 20 (Page no: 406) Validating adoption estimates generated by expert opinion and assessing the reliability of adoption estimates with different methods. Author(s): Walker, T. S.
Chapter: 21 (Page no: 420) Implications for monitoring progress and assessing impacts. Author(s): Alwang, J.

Chapter details

  • Author Affiliation
  • International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) West and Central Africa, PO Box 12404, Niamey, Niger.
  • Year of Publication
  • 2015
  • ISBN
  • 9781780644011
  • Record Number
  • 20153367543