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Identification of cassava quality attributes preferred by Ugandan users along the food chain
Authors:Paula Iragaba  Sophia Hamba  Ephraim Nuwamanya  Michael Kanaabi  Ritah Ann Nanyonjo  Doreen Mpamire  Nicholas Muhumuza  Elizabeth Khakasa  Hale Ann Tufan  Robert Sezi Kawuki
Affiliation:1. National Crops Resources Research Institute (NaCRRI), P.O. Box 7084, Kampala, Uganda;2. National Crops Resources Research Institute (NaCRRI), P.O. Box 7084, Kampala, Uganda

Contribution: Conceptualization (equal), Data curation (equal), Formal analysis (equal), Methodology (equal), Writing - original draft (equal), Writing - review & editing (equal);3. National Crops Resources Research Institute (NaCRRI), P.O. Box 7084, Kampala, Uganda

Contribution: Data curation (equal), Formal analysis (equal), Methodology (equal), Writing - original draft (equal), Writing - review & editing (equal);4. National Agricultural Research Laboratories (NARL), P.O. Box 7065 Kampala, Uganda

Contribution: Conceptualization (supporting), Data curation (equal), Formal analysis (equal), Methodology (equal), Writing - original draft (equal), Writing - review & editing (equal);5. International Programs, College of Agriculture and Life Sciences, B75 Mann Library, Ithaca, NY, 14853 USA

Contribution: Conceptualization (equal), Funding acquisition (equal), ​Investigation (equal), Methodology (equal), Supervision (equal), Writing - review & editing (equal);6. National Crops Resources Research Institute (NaCRRI), P.O. Box 7084, Kampala, Uganda

Contribution: Conceptualization (equal), Data curation (equal), Formal analysis (supporting), Funding acquisition (equal), ​Investigation (equal), Methodology (equal), Project administration (lead), Resources (equal), Supervision (lead), Validation (equal), Visualization (equal), Writing - original draft (supporting), Writing - review & editing (supporting)

Abstract:This study aimed to identify cassava quality attributes preferred by users along the food chain, in order to provide breeders with criteria for prioritisation. Survey and consumer-testing studies were conducted within Apac and Luwero districts in Uganda. Additionally, sensory evaluation by trained panellists was conducted to determine descriptors for assessing quality of boiled roots. Results revealed softness of boiled roots and in-ground storability as key attributes influencing varietal preference besides high yield, non-bitter roots, disease resistance, early maturity and drought resistance. For some attributes like in-ground storability, preference differed significantly between locations and showed differentiation by gender. Local varieties were found to be superior in quality attributes. From sensory evaluation, twenty-one descriptors associated with appearance, texture, taste and aroma of boiled roots were determined. Findings from this study are vital for breeders to adopt gender-responsive approaches in order to develop varieties that meet the needs and preferences of end users.
Keywords:Adoption  breeding  consumer  end user  Manihot esculenta  quality  survey
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