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From traits to typologies: Piloting new approaches to profiling trait preferences along the cassava value chain in Nigeria

Breeding programs are increasing efforts towards demand‐led breeding approaches to ensure that cultivars released meet the needs of end users including processors, traders, and consumers, and that they are adopted by farmers. To effectively deploy these approaches, new tools are required to better u...

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Bibliographic Details
Published in:Crop science 2022-01, Vol.62 (1), p.259-274
Main Authors: Balogun, Ireti, Garner, Elisabeth, Amer, Peter, Fennessy, Peter, Teeken, Béla, Olaosebikan, Olamide, Abolore, Bello, Madu, Tessy, Okoye, Benjamin, Santos, Bruno, Byrne, Tim, Martin‐Collado, Daniel, Egesi, Chiedozie, Kulakow, Peter, Tufan, Hale Ann
Format: Article
Language:English
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Summary:Breeding programs are increasing efforts towards demand‐led breeding approaches to ensure that cultivars released meet the needs of end users including processors, traders, and consumers, and that they are adopted by farmers. To effectively deploy these approaches, new tools are required to better understand and quantify the degree of preference differences among alternative trait changes competing for measurement and selection effort. The purpose of this study was to present a method of quantifying preferences and developing typologies according to breeding priorities by applying an online trait preference survey approach to cassava (Manihot esculenta Crantz). This paper presents a conjoint analysis based on Potentially All Pairwise RanKings of all possible Alternatives (PAPRIKA) to help guide breeding programs in understanding trait preferences across value chain roles and social contexts and set breeding priorities that represent diverse interests. Trait preferences were assessed using a comprehensive survey and analysis package incorporating a core adaptive conjoint method (1000minds, 2020). Trait selection was based on a trade‐off of 11 cassava traits carried out with 792 cassava value chain actors in four geopolitical regions in Nigeria. Principal component and cluster analyses revealed three clusters (typologies) of respondents according to their trait preferences. The results demonstrate the usefulness of this methodology that innovates on previous trait preference approaches to address the expanding needs of plant breeding programs within smallholder contexts. Core Ideas Preference surveys can reflect economic importance of traits. Typologies of trait preferences give insights to understand heterogeneity of trait preferences. Typologies can guide breeding programs in exploring the needs of different market segments.
ISSN:0011-183X
1435-0653
DOI:10.1002/csc2.20680