Working Papers Archives - Sweetpotato Knowledge Portal

Early Maturing Sweetpotato DataBase 20170915

Author: Wolfgang Gruneberg Contributors: Raul Eyzaguirre, Luka Wanjohi October 10, 2017

Database for early bulking (the <100-day sweetpotato): Early bulking: Information for 49 early bulking released / launched varieties were uploaded in a database on the “sweetpotato knowledge portal”. Early maturing (time from planting to harvest of 2.5 to 3.5 months) is a sweetpotato attribute to be found across all sweetpotato …

Size: 17.0 kB
Type: xls
Pages: 1

Implementing CIP’s Vision: Impact targeting

Implementing CIPâ€™s Vision: Impact targeting

Author: Kelly Theisen, Graham Thiele et al. Contributors: Raul Eyzaguirre, Luka Wanjohi, Administrator 2008

This is a study on Implementing CIP’s Vision: Impact targeting. This study reports an updated targeting exercise to identify priority populations of the world for CIP’s commodity research, combining indicators of livelihood and the importance of the two crops of principal concern to CIP, potato and sweetpotato. Indicators of livelihood …

Size: 292.3 kB
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Pages: 31

Farmer-to-Farmer Extension Approach in Malawi: A Survey of Organizations

Author: Godfrey Kundhlande, Steven Franzel et al. 2016

To improve smallholder farmers’ access to information, many extension services use farmers to help disseminate information that their fellow farmers can use to help increase agricultural productivity. This extension approach is referred to as “farmer-to-farmer,” and the farmer extension agents are variously referred to as lead farmers, model farmers or …

Size: 2.4 MB
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Pages: 55

Enhancing Antioxidants: Sweet Potato Ingredients

Author: Carolina Innovative Food Ingredients Inc. Contributors: Raul Eyzaguirre, Luka Wanjohi, Administrator 2015

The article describes tests conducted on sweet potato flour and sweet potato juice concentrate, showing that sweet potato ingredients are good sources of phytochemicals. Testing also shows that sweet potato ingredients help stabilize and enhance the phytochemicals in other food ingredients in blends. Finally, sensory evaluationsfound that sweet potato flours can contribute to appealing applications including baked …

Size: 329.1 kB
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Pages: 5

KENEDOUGOU SWEETPOTATO VALUE CHAIN AND MARKET ANALYSIS

Author: , Salam Bance et al. April 27, 2016

This value chain and market analysis has the objective to analyse sweetpotato market opportunities in Burkina Faso and describe its value chain in order to promote orange fleshed varieties under the framework of the project: jumpstarting OFSP in West Africa through diversified markets. The study is both descriptive and analytic …

Size: 1.1 MB
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Pages: 74

Biofortification, Crop Adoption, and Health Information: Impact Pathways in Mozambique and Uganda

Author: Alan de Brauw, Patrick Eozenou et al. Contributors: Raul Eyzaguirre, Luka Wanjohi, Administrator, Tawanda Muzhingi November 01, 2015

Biofortification, breeding staple food crops to be dense sources of essential micronutrients, is fast emerging as a strategy to fight micronutrient malnutrition. Large-scale biofortification investments are being made in several developing countries, but until recently little rigorous evidence about the impact of these investments has been available. In this paper, …

Size: 410.2 kB
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Pages: 30

How resistant plant varieties avoid suppression of RNA silencing by viruses as exemplified by sweetpotato: Better food security through virus control

2013

Size: 612.6 kB
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Pages: 13

Challange Theme paper 5: Integrated Crop Management

Author: Oswald Andreas, Regina Kapinga et al. 2009

Sweetpotato (Ipomoea batatas (L) (Poir) is grown widely and ranks 5th in over 50 developing countries. In Africa and especialiy Sub-Saharan Africa (SSA) its grown by small scale farmers with biotic and abiotic challanges. This paper described each constraints faced by farmers by giving current known information and required future …

Size: 151.2 kB
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Pages: 31

CHALLENGE THEME PAPER 5: INTEGRATED CROP MANAGEMENT

Author: Andreas Oswald, Regina Kapinga et al. Contributors: Raul Eyzaguirre, Luka Wanjohi, Administrator, Tawanda Muzhingi 2009

Overall Challenge: Yields of sweetpotatoes are low in Africa and improved crop management will be critical to increases in productivity and yet there is virtually a research vacuum on integrated crop management (ICM) and most farmers have few incentives to intensify crop management. So the question is: how can quality …

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