Local Criteria Used by Farmers to Evaluate the Agronomic Performance and the Fertilizing Capacity of Cowpea Varieties: Diversity, Variability and Proximal Relation with Agronomic Measurements in Contrasted Sahelian Locations  

作　　者：Nouhou Salifou Jangorzo Abdoul-Aziz Saïdou Abou-Soufianou Sadda Abdoulaye Moussa Mamoudou Hassane Bil-Assanou Issoufou Nouhou Salifou Jangorzo;Abdoul-Aziz Saïdou;Abou-Soufianou Sadda;Abdoulaye Moussa Mamoudou;Hassane Bil-Assanou Issoufou(Département des Sciences du Sol et Télédétection, Université Dan Dicko Dankoulodo de Maradi, Maradi, Niger.;Unité Mixte de Recherche “Diversité et Adaptation des Plantes” (UMR DAP), Université Dan Dicko Dankoulodo de Maradi, Maradi, Niger;Centre Imaan de Support en Recherche Transdisciplinaire (Imaan Research), Niamey, Niger;Institut de Recherche pour le Développement, Niamey, Niger;Université Boubacar BA de Tillabéri, Tillabéri, Niger;Département des Sciences et Techniques de Productions Végétales, Université Dan Dicko Dankoulodo de Maradi, Maradi, Niger)

机构地区：[1]Département des Sciences du Sol et Télédétection, Université Dan Dicko Dankoulodo de Maradi, Maradi, Niger. [2]Unité Mixte de Recherche “Diversité et Adaptation des Plantes” (UMR DAP), Université Dan Dicko Dankoulodo de Maradi, Maradi, Niger [3]Centre Imaan de Support en Recherche Transdisciplinaire (Imaan Research), Niamey, Niger [4]Institut de Recherche pour le Développement, Niamey, Niger [5]Université Boubacar BA de Tillabéri, Tillabéri, Niger [6]Département des Sciences et Techniques de Productions Végétales, Université Dan Dicko Dankoulodo de Maradi, Maradi, Niger

出　　处：《Agricultural Sciences》2024年第1期114-131,共18页农业科学（英文）

摘　　要：When contributing to participatory research, farmers usually appreciate the performance of cowpea varieties using qualitative scores. The score they attribute to each variety are based on local knowledge. The specific criteria they individually use to attribute a score are not well described. The objectives of this work were to: 1) identify and describe exhaustively the local criteria used by farmers to measure the agronomic performance of cowpea;2) assess the variability and statistical structure of these farmer criteria across local contexts;3) and analyze the association between these farmer criteria and the classical agronomic measurement. To achieve these objectives, an augmented block design was implemented across fifteen locations in the regions of Maradi, Dosso and Tillabéri, representing a diversity of local contexts. From a set of 36 cowpea varieties, fifteen varieties were sown per location, including five varieties (controls) common to all locations. In each location, two replicates were sown in randomized Fisher’s blocks. After agronomic measurement and participatory evaluation (scoring of varieties by farmers), a group survey (focus group) was conducted in each location to identify the criteria considered by farmers to found their discretional scoring of varieties during the participatory evaluation. The analysis of the data identified, across locations, thirteen criteria defined by farmers to characterize the agronomic performance of cowpea. Some of these criteria were different according to location. Farmers ranked the three varieties with the best performance for each agronomical trait (Top 3 varieties). A comparison of the farmer ranking with the ranking based on agronomic measurements revealed similarity and complementary between both methods. This study highlighted the importance of considering both local and scientific knowledge in local varietal evaluations.When contributing to participatory research, farmers usually appreciate the performance of cowpea varieties using qualitative scores. The score they attribute to each variety are based on local knowledge. The specific criteria they individually use to attribute a score are not well described. The objectives of this work were to: 1) identify and describe exhaustively the local criteria used by farmers to measure the agronomic performance of cowpea;2) assess the variability and statistical structure of these farmer criteria across local contexts;3) and analyze the association between these farmer criteria and the classical agronomic measurement. To achieve these objectives, an augmented block design was implemented across fifteen locations in the regions of Maradi, Dosso and Tillabéri, representing a diversity of local contexts. From a set of 36 cowpea varieties, fifteen varieties were sown per location, including five varieties (controls) common to all locations. In each location, two replicates were sown in randomized Fisher’s blocks. After agronomic measurement and participatory evaluation (scoring of varieties by farmers), a group survey (focus group) was conducted in each location to identify the criteria considered by farmers to found their discretional scoring of varieties during the participatory evaluation. The analysis of the data identified, across locations, thirteen criteria defined by farmers to characterize the agronomic performance of cowpea. Some of these criteria were different according to location. Farmers ranked the three varieties with the best performance for each agronomical trait (Top 3 varieties). A comparison of the farmer ranking with the ranking based on agronomic measurements revealed similarity and complementary between both methods. This study highlighted the importance of considering both local and scientific knowledge in local varietal evaluations.

关 键 词：Agronomic Performance Participatory Research COWPEA Farmers’ Criteria 

分 类 号：F32[经济管理—产业经济]