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Comparative analysis of management practices and end-users' desired breeding traits in the miracle plant [Synsepalum dulcificum (Schumach & Thonn.) Daniell] across ecological zones and sociolinguistic groups in West Africa

Tchokponhoué D.A., Achigan-Dako E.G., N'Danikou S., Nyadanu D., Kahane R., Odindo A.O., Sibiya J.. 2021. Journal of Ethnobiology and Ethnomedicine, 17 : 20 p..

DOI: 10.1186/s13002-021-00467-8

Background: Understanding end-users' preferred breeding traits and plant management practices is fundamental in defining sound breeding objectives and implementing a successful plant improvement programme. Since such knowledge is lacking for Synsepalum dulcificum, a worldwide promising orphan fruit tree species, we assessed the interrelationships among socio-demography, ecology, management practices, diversity and ranking of desired breeding traits by end-users of the species (farmers, final consumers and processing companies) in West Africa. Methods: Semi-structured interviews, field-visits and focus groups were combined to interview a total of 300 farmers and final consumers belonging to six sociolinguistic groups sampled from three ecological zones of Benin and Ghana. One processing company in Ghana was also involved. Data collected included socio-demographic characteristics; crop management systems and practices; and preferences of farmers, final consumers and processing companies and ranking of breeding traits. Data were analysed using descriptive statistics, independence, and non-parametric tests, generalized linear models, multi-group similarity index and Kendall's concordance coefficient. Results: Men (86.33% of respondents) were the main holders of S. dulcificum in the study area. The three most frequent management practices observed in the species included weeding, fertilization and pruning, which were applied by 75.66%, 27.33% and 16.66% of respondents, respectively. The management intensity index varied significantly across ecological zones, sociolinguistic groups, and instruction level (p < 0.001) but was not affected by gender (p > 0.05). General multigroup similarity indices (CTS ) for farmer-desired traits, on one hand, and final consumer-desired traits, on the other hand, were high across ecological zones (CTS = 0.84) and sociolinguistic groups (CTS > 0.83). Nevertheless, respondents from the Guineo-Congolian (Benin) and the Deciduous forest (Ghana)

Mots-clés : choix des espèces; critère de sélection; conduite de la culture; amélioration des plantes; enquête sur les exploitations agricoles; pratique culturale; comportement du consommateur; préférence alimentaire; éthnobotanique; miraculine; bénin; ghana; synsepalum dulcificum

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