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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 Smartphones supporting monitoring functions: experiences from sweet potato vine distribution in sub-Saharan Africa.

This chapter shares experiences in the use of smartphones to collect monitoring data for sweet potato vine multiplication and dissemination activities in sub-Saharan Africa. An Open Data Kit (ODK) technology is used to collect geo-tagged data, perform error validation, on-site data quality control, ...

Author(s)
Wanjohi, L. M.; Moturi, C. A.
ISBN
2018 CAB International (H ISBN 9781786393364)
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 Getting the equation right: engendering sweetpotato value chains in East Africa.

Upgrading sweetpotato value chains is constrained by its bulkiness, its short shelf life and it being predominantly seen as a woman's and poor person's crop. Commercialization efforts require increased involvement of men and young people, without jeopardizing benefits accruing to women. The...

Author(s)
Mayanja, S.; McEwan, M.
ISBN
2015 CABI (H ISBN 9781780644202)
Type
Book chapter
CABI Book Chapter Info
Cover for Determining availability of nutrients in sweetpotato grown in the Kenyan highlands using <i xmlns="http://www.w3.org/1999/xhtml">in sacco</i> degradability and <i xmlns="http://www.w3.org/1999/xhtml">in vitro</i> digestability.

Six sweetpotatoes cultivars, specifically Naspot1, 103001, Kemb23, Gweri, Kemb36 and Wagabolige, were grown in three agroecological locations within the highlands of Kenya: (i) Nyeri County (high altitude); (ii) Nandi County (medium altitude); and (iii) in Bomet County (low altitude). The principal ...

Author(s)
Kinyua, J.; Musalia, L.; Migwi, P.; Gachurii, C.; Lukuyu, B.; Agili, S.; Muriithi, G.
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 <i xmlns="http://www.w3.org/1999/xhtml">In vitro</i> evaluation of orange-fleshed sweetpotato genotypes for drought tolerance using polyethylene glycol.

In vitro techniques have been shown to be useful in identifying relatively drought-tolerant genotypes at early stages of development. In this study, drought-induced alterations in early shoot and root development of 59 sweetpotato genotypes was evaluated in the tissue culture laboratory at the...

Author(s)
Agili, S.; Aggrey, B. N.; Ngamau, K.; Masinde, W. P.
ISBN
2015 CABI (H ISBN 9781780644202)
Type
Book chapter
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

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