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CABI Book Chapter

Vegetable production and marketing in Africa: socio-economic research.

Book cover for Vegetable production and marketing in Africa: socio-economic research.

Description

This book provides a collection of conceptual and methodological chapters on the socio-economic aspects of vegetable production-to-marketing systems in Africa. The diverse topics covered in this book include the conceptual challenges in economic research on vegetable production systems, the implications of good agricultural practice standards, the challenges and opportunities of meeting the growin...

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Chapter 14 (Page no: 209)

Challenges for economic impact assessment of classical biological control in Kenya and Tanzania.

This chapter presents a case of economic impact assessment of classical biological control and pesticide use in Kenya and Tanzania, targeting the diamondback moth, one of the most destructive pests of cabbage worldwide. The effect of the release of an exotic parasitoid by the International Centre of Insect Physiology and Ecology in 2001 to control the pest in East Africa is analysed, using econometric methods based on data from a large random survey of cabbage producers in Kenya and Tanzania with and without the biological control. It is shown that farmers producing cabbage in areas where the parasitoid is present use significantly fewer pesticides. Methodologically the damage control function method was applied, which shows that use of pesticides or the presence of the parasitoid increases cabbage output. The chapter indicates incompatibility between current pesticide use practices and the requirements of classical biological control.

Other chapters from this book

Chapter: 1 (Page no: 1) An overview. Author(s): Waibel, H. Mithöfer, D.
Chapter: 2 (Page no: 9) Theoretical concepts for socio-economic research of vegetables in Africa. Author(s): Waibel, H.
Chapter: 3 (Page no: 25) Framework for economic impact assessment of production standards and empirical evidence. Author(s): Mithöfer, D.
Chapter: 4 (Page no: 45) The impact of food safety standards on rural household welfare. Author(s): Asfaw, S.
Chapter: 5 (Page no: 67) The impact of compliance with GlobalGAP standards on small and large Kenyan export vegetable-producing farms. Author(s): Mausch, K. Mithöfer, D.
Chapter: 6 (Page no: 85) Food production standards and farm worker welfare in Kenya. Author(s): Ehlert, C. Mithöfer, D. Waibel, H.
Chapter: 7 (Page no: 97) Group culture and smallholder participation in value chains: French beans in Kenya. Author(s): Paalhaar, J. Jansen, K.
Chapter: 8 (Page no: 111) Export vegetable supply chains and rural households in Senegal. Author(s): Maertens, M. Colen, L. Swinnen, J.
Chapter: 9 (Page no: 127) Comparative assessment of the marketing structure and price behaviour of three staple vegetables in Lusaka, Zambia. Author(s): Tschirley, D. Hichaambwa, M. Mwiinga, M.
Chapter: 10 (Page no: 149) Value chains and regional trade in East Africa: the case of vegetables in Kenya and Tanzania. Author(s): König, T. Blatt, J. Brakel, K. Kloss, K. Nilges, T. Woellert, F.
Chapter: 11 (Page no: 169) Supply chains for indigenous vegetables in urban and peri-urban areas of Uganda and Kenya: a gendered perspective. Author(s): Weinberger, K. Pasquini, M. Kasambula, P. Abukutsa-Onyango, M.
Chapter: 12 (Page no: 183) Private voluntary standards, co-investment and inclusive business. Author(s): Blackmore, E. MacGregor, J.
Chapter: 13 (Page no: 195) An approach to strengthening vegetable value chains in East Africa: potential for spillovers. Author(s): Lenné, J. M. Ward, A. F.
Chapter: 15 (Page no: 227) Indirect and external costs of pesticide use in the vegetable sub-sector in Kenya. Author(s): Macharia, I. Mithöfer, D. Waibel, H.
Chapter: 16 (Page no: 243) Integrated pest management training and information flow among smallholder horticulture farmers in Kenya. Author(s): Bekele, N. Mithöfer, D. Amudavi, D. Obare, G.