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CAB eBooks

Ebooks on agriculture and the applied life sciences from CAB International

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CABI Book Chapter Info
Cover for Disease management, especially viruses in potato and sweetpotato.

Potato (Solanum tuberosum) and sweetpotato (Ipomoea batatas) are the fourth and seventh most important crop plants. Both are important subsistence crops in East Africa and complement each other since their growth requirements differ. Potato and sweetpotato are vegetatively propagated, making them...

Author(s)
Valkonen, J. P. T.; Kreuze, J. F.; Ndunguru, J.
ISBN
2015 CABI (H ISBN 9781780644202)
Type
Book chapter
CABI Book Chapter Info
Cover for Evaluation and promotion of sustainable farmer seed supply systems for vegetatively propagated crops in Central and Eastern Kenya.

Despite several interventions to address farmers' challenges related to seed, farmers' access to good quality seed of improved crop varieties for vegetatively propagated crops remains unsatisfactory. This chapter analyses the seed supply systems for vegetatively propagated crops in Kenya. In 2010,...

Author(s)
Gathaara, V. N.; Simuyu, P. O.; Kilambya, D. W.; Muriuki, E. K.; Thuranira, E. G.; Miano, D. W.
ISBN
2015 CABI (H ISBN 9781780644202)
Type
Book chapter
CABI Book Chapter Info
Cover for Improving seed health and seed performance by positive selection in three Kenyan potato varieties.

Selecting seed potatoes from healthy-looking mother plants (positive selection, PS) was compared with the common Kenyan farmer practice of selection from the harvested bulk of potatoes (farmer selection, FS) in 23 farmer-managed trials. Data was obtained from replicated researcher- and...

Author(s)
Schulte-Geldermann, E.; Gildemacher, P. R.; Struik, P.
ISBN
2015 CABI (H ISBN 9781780644202)
Type
Book chapter
CABI Book Chapter Info
Cover for Seed potato certification in Kenya: prospects, achievements and constraints.

Potato (Solanum tuberosum L.) is a crop of major economic importance worldwide and is considered the second most important food crop after maize in Kenya. National potato production ranges from 4.4 to 15 t/ha with an average of about 7 t/ha although yields of 40 t/ha are attainable under research...

Author(s)
Kimani, E.; Ngundo, G.; Macharia, I.
ISBN
2015 CABI (H ISBN 9781780644202)
Type
Book chapter
CABI Book Chapter Info
Cover for Development and evaluation of new sweetpotato varieties through farmer participatory breeding for high altitudes in Kenya.

Sweetpotato (Ipomoea batatas L.) plays a significant role in food and nutritional security in Kenya. However, production is constrained by: (i) Sweet potato virus diseases (SPVD) and weevils (Cylas spp.); (ii) shortage of clean planting materials; (iii) lack of suitable varieties for high altitude...

Author(s)
Karanja, L.; Malinga, J.; Ndung'u, J.; Gichangi, A.; Lelgut, D.; Kamundia, J.
ISBN
2015 CABI (H ISBN 9781780644202)
Type
Book chapter
CABI Book Chapter Info
Cover for The effectiveness of potato and sweetpotato improvement programmes from the perspectives of varietal output and adoption in sub-Saharan Africa.

This chapter focuses on the importance of potato production in Burundi, Congo Democratic Republic, Ethiopia, Kenya, Madagascar, Rwanda, Sudan, Tanzania and Uganda and sweet potato production in Burundi, Mozambique, Rwanda, Tanzania and Uganda. The importance of the dissemination of improved potato...

Author(s)
Labarta, R.
ISBN
2015 CABI (H ISBN 9781780644011)
Type
Book chapter
CABI Book Chapter Info
Cover for The performance of bean improvement programmes in sub-Saharan Africa from the perspectives of varietal output and adoption.

This chapter focuses on the importance of beans (Phaseolus vulgaris) in area and production in Burundi, Congo Democratic Republic, Ethiopia, Kenya, Malawi, Mozambique, Rwanda, Tanzania, Uganda and Zambia. Data on bean cultivar output and adoption in these countries is also presented.

Author(s)
Muthoni, R. A.; Andrade, R.
ISBN
2015 CABI (H ISBN 9781780644011)
Type
Book chapter
CABI Book Chapter Info
Cover for Towards long-term nutrition security: the role of agriculture in dietary diversity.

A major obstacle to securing investments in agriculture and food-based approaches for improving nutrition is providing proof of efficacy. Do food-based approaches lead to reductions in malnutrition? To answer this question we need to develop a credible evidence base that articulates the links in...

Author(s)
Thompson, B.; Meerman, J.
ISBN
2014 CABI (H ISBN 9781780642994)
Type
Book chapter; Conference paper

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