Background
Methods
Study area
Municipalities of | ||||||
---|---|---|---|---|---|---|
Banté | Dassa-zoumé | Glazoué | Ouèssè | Savalou | Savé | |
Sociolinguistic groups surveyed | Nago, Ifé | Idaatcha, Fon | Mahi, Adja | Nago, Tchabè | Mahi, Idaatcha | Tchabè, Idaatcha |
Population | 107,181 | 112,122 | 124,431 | 142,017 | 144,549 | 87,177 |
Climate | Transition between subequatorial and Sudano-Guinean climate | Sub-equatorial climate | Sub-equatorial climate | Tropical climate intermediate between Guinean and Sudanese climate | Transition between subequatorial and Sudano-Guinean climate | Tropical climate intermediate between Guinean and Sudanese climate |
Area (Km2) | 2695 | 1711 | 1750 | 3200 | 2674 | 2228 |
Annual rainfall (mm) | 600–1600 | 900–1100 | 959.56–1255.5 | 1100–1200 | 864–1637.3 | 1100–1300 |
Annual temperature (°C) | 23 to 37 | 21 to 36 | 24 to 29 | 24 to 26 | 23 to 36 | 20 to 34 |
Vegetation | Wooded savannah area with part of classified forest | Wooded savannah and shrubby cut deciduous and semi-deciduous forests | The vegetation consists of natural formations | The plant cover is made of wooded savannah, shrubby, gallery forests and part of classified forest | The vegetation consists of islands of dense forest, savannah, fallow land and fields. | Graminaceous savannah with trees and shrubs. Classified forest |
Soils | Tropical ferruginous soils | Tropical ferruginous soils | Soils sandy clay, hydromorphic and tropical ferruginous | Soils are clayey, hydromorphic and tropical ferruginous | Tropical ferruginous soils | Tropical ferruginous soils |
Farming system | Cassava-Yam-Maize-based | Cassava-Soybean-Maize-based | Yam-Rice-Cassava-based | Cassava-Yam-Groundnut-based | Cassava-Yam-Maize-based | Cassava-Yam-Soybean-based |
Number of surveyed villages | 4 | 4 | 3 | 4 | 4 | 4 |
Data collection
Sociolinguistic groups | Total | Percentage | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Fon | Idaasha | Mahi | Nago | Ifé | Tchabé | Adja | ||||
Gender | Men | 13 | 12 | 27 | 8 | 5 | 5 | 3 | 73 | 72.3 |
Women | 5 | 10 | 5 | 3 | 3 | 1 | 1 | 28 | 27.7 | |
Age | [35–56] | 15 | 14 | 18 | 10 | 7 | 5 | 3 | 72 | 71.3 |
[56–66] | 3 | 7 | 11 | 0 | 0 | 0 | 1 | 22 | 21.8 | |
[66–76] | 0 | 1 | 3 | 1 | 1 | 1 | 0 | 7 | 6.9 | |
Education | No formal education | 14 | 18 | 26 | 8 | 5 | 6 | 3 | 80 | 79.2 |
Primary | 3 | 2 | 5 | 2 | 3 | 0 | 1 | 16 | 15.8 | |
Secondary | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 5 | 5 | |
Experience | [1–11] | 7 | 4 | 6 | 8 | 6 | 1 | 2 | 34 | 33.7 |
[11–22] | 11 | 16 | 23 | 2 | 2 | 4 | 2 | 60 | 59.4 | |
[22–32] | 0 | 2 | 3 | 1 | 0 | 1 | 0 | 7 | 6.9 |
Data analysis
Results
Folk nomenclature and taxonomy
Criteria of denomination | Percentage of responses | Naming of folk varieties | Sociolinguistic groups | Meaning of the vernacular name |
---|---|---|---|---|
Seed coat color | 90.7 | Akpakoun wéwé | Fon, Mahi | White bean |
Kpalakoun founfoun | Idaatcha, Tchabé | |||
Akpakoun vovo | Fon, Mahi | Red bean | ||
Kpalakoun kpikpa | Idaatcha, Nago | |||
Kpankoui rouge | Adja | |||
Akpakoun kpikpa | Tchabé, Idaatcha | |||
Akapakoun rouge | Mahi, Nago | |||
Akpakoun wiwi | Fon | Black bean | ||
Ewoudjè | Tchabé | |||
Sonouhoué | Mahi | Color of guinea fowl plumage | ||
Akpakoun sonhouékan | Fon | |||
Growth habit | 2.8 | Akpakoun djihikoun | Fon, Mahi | Bean from above |
Ewaarigui | Nago | Climbing bean | ||
Magic properties | 2.8 | Kpankoui | Adja | Who seeks my evil will die |
Seed size | 1.9 | Akpakoun wéwé winiwini | Fon, Mahi | White bean of very small size |
Akpakoun wéwé gaga | Fon, Mahi | White bean of big size | ||
Origin | 0.9 | Mitoyikoun | Fon, Mahi | Bean of our ancestors |
Agronomic properties | 0.9 | Sèkpavikoun, | Mahi | Bean that kills quackgrass |
Diversity of common bean landraces across sociolinguistic groups
No. of landrace | Seed’s morphological description | Folk varieties (sociolinguistic group) |
---|---|---|
1 | Large flat seed with white seed coat color | - Akpakoun wéwé (Fon, Mahi) - Akpakoun wéwé gaga (Fon, Mahi) - Kpalagui (Ifè) - Kpalakoun founfoun (Idaatcha, Tchabé) - Kpakpalaegui (Adja, Nago) |
2 | Small shiny seed with red seed coat color | - Akpakoun vovo (Fon, Mahi) - Kpalakoun kpikpa (Idaatcha, Nago) - Kpankoui rouge (Adja) - Kpokpodo (Tchabè) |
3 | Small round seed with brown seed coat color and dark hilum color | - Séssé (Fon, Mahi, Idaatcha, Tchabè, Nago, Ifé) |
4 | Small flat seed with white seed coat color | - Akpalakoun founfoun (Idaatcha, Tchabè, Ifé) - Akpakoun wéwé winiwini (Fon, Mahi) - Kpankoui wéwé (Adja) |
5 | Small seed with marginal seed coat speckled of red and a red color around hilum | - Akpakoun sonhouékan (Fon) - Sèkpavikoun (Mahi) - Alawoaho (Tchabé) |
6 | Small seed with red broad striped seed coat pattern and red color around hilum | - Akapkoun rouge (Mahi, Nago) |
7 | Small seed with brown seed coat and red color around the hilum | - Akpakoun djihikoun (Fon, Mahi) - Ewaarigui (Nago) |
8 | Small seed with black broad striped seed coat pattern and black color around hilum | Akpakoun wiwi (Fon) |
9 | Large seed with black seed coat | - Sonouhoué (Mahi) - Ewoudjè (Tchabé) - Kpankoui wiwi (Adja) |
10 | Small flat shiny brown seeds with black color around hilum | Mitoyikoun (Fon, Mahi) |
11 | Large flat seed with red seed coat | Akpakoun kpikpa (Tchabé, Idaatcha) |
12 | Small white smooth seed with black color around hilum | Akpalakoun wéwé (Idaatcha, Ifé) |
Sociolinguistic groups | Number of landraces shared between sociolinguistic groups | Number of unique landraces | Total number of landraces | ||||||
---|---|---|---|---|---|---|---|---|---|
Fon | Idaasha | Mahi | Nago | Ifé | Tchabé | Adja | |||
Fon | – | 1 | 8 | ||||||
Idaasha | 5 | – | 0 | 6 | |||||
Mahi | 7 | 5 | – | 0 | 9 | ||||
Nago | 4 | 3 | 5 | – | 0 | 5 | |||
Ifé | 4 | 3 | 3 | 2 | – | 0 | 4 | ||
Tchabé | 5 | 4 | 6 | 4 | 2 | – | 0 | 7 | |
Adja | 2 | 2 | 2 | 1 | 1 | 2 | – | 0 | 3 |
Distribution of knowledge of common bean uses across sociolinguistic groups
Sociolinguistic groups | ID | IE | Common bean use categories | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Medicinal | Commercial | Mystical-religious | Fodder | |||||||
UD | UE | UD | UE | UD | UE | UD | UE | |||
Fon | 0.37 a | 0.47 a | 0.07 | 0.28 | 0.22 | 0.44 | 0.02 | 0.34 | – | – |
Idaasha | 0.38 a | 0.47 a | 0.02 | 0.07 | 0.27 | 0.54 | 0.01 | 0.14 | – | – |
Mahi | 0.31 a | 0.38 a | 0.00 | 0.03 | 0.15 | 0.31 | 0.01 | 0.19 | 0.03 | 0.06 |
Nago | 0.40 a | 0.50 a | 0.02 | 0.09 | 0.18 | 0.36 | 0.01 | 0.17 | 0.25 | 0.50 |
Ifé | 0.53 b | 0.65 b | 0.04 | 0.17 | 0.43 | 0.87 | 0.04 | 0.52 | – | – |
Tchabé | 0.43 a | 0.54 a | 0.03 | 0.11 | 0.25 | 0.50 | 0.02 | 0.34 | – | – |
Adja | 0.50 a | 0.63 ab | 0.11 | 0.42 | – | – | 0.02 | 0.26 | 0.14 | 0.27 |
Use categories of common beans across sociolinguistic groups
Medicinal uses
Organ | Folk varieties | Purpose of use | Processing method | Form of use | Ethnic groups | Fidelity level (%) |
---|---|---|---|---|---|---|
Seed | Kpankoui rouge | Pharyngitis | Burn the seed and mix with palm oil and salt | Lick the powder | Adja | 25 |
Séssé | Rapid umbilical cord removal in newborns | Crush seeds and mix with seasoning cube (Maggi) and water | Pass the mixture on the umbilical cord | Fon | 5.6 | |
Leaves | Kpankoui rouge | Babies who cannot breastfeed | Boil the leaves with water | Make the baby drink the liquid | Adja | 25 |
Kpankoui rouge | Wounds | Crush the leaves and collect the juice | Put the juice in the wound | Adja, Idaasha, Mahi | 19.2 | |
Akpakoun vovo | Vaginal infection | Crush the leaves and mix with water | Take a bath with the liquid | Fon, Mahi | 11.1 | |
Séssé | Bad body odor | Infuse leaves in water | Take a bath with the liquid | Fon | 5.6 | |
Akpakoun vovo, Séssé | Bee stings | Crush the leaves | Apply on the bee sting | Fon | 5.6 | |
Sessé | Sterility | Burn the leaves | Drink with porridge every morning | Idaasha | 4.5 | |
Séssé | Fever | Crush the leaves and roots in water | Take a bath with the liquid | Fon, Ifé, Nago, Tchabé | 44.4 | |
Roots | Séssé | Obesity | Crush the leaves and roots | Drink the liquid | Fon | 11.1 |
Kpankoui rouge | Difficult childbirth | Crush the roots and mix with water | Drink the liquid | Adja | 25 |
Mystical-religious uses
Roles | Purpose of uses | Folk varieties | Organ | Use | Ethnic groups | Percentage of responses |
---|---|---|---|---|---|---|
Protection against evil spirits | Fields protection | Akpakoun wéwé, Mitoyikoun | Whole plant | Planted in the fields | Mahi, Fon | 29.1 |
Homes protection | Akpakoun rouge, Sessé | Whole plant | Sow next to the houses | Mahi | 20.7 | |
Pregnancy protection | Kpankoui rouge | Leaves | Triturate the leaves in water, then wash with each 3 months so three times before delivery | Adja | 4.2 | |
Protection against enemies attacks | Akpakoun vovo | Whole plant | Go naked towards the plant in the middle of the night and praise the plant and ask for protection against your enemies. Then take the leaves with which you shower after infusion | Mahi | 8.3 | |
Treatment of supernaturally caused illnesses | Bewitchment | Séssé | Roots | Triturate the roots in a little water and add the palm kernel oil and drink the potion | Fon | 4.2 |
Traditional ceremonies | Offering to certain deities | Akpakoun wéwé | Seeds | Seeds are prepared and offered to the deities during the rites | Fon | 4.2 |
Hunters’ ceremonies | Akpalakoun founfou | Seeds | Use to attract animals to hunters | Ifé | 4.2 | |
Twins ceremony | Sessé | Seeds | Seeds are prepared and served to the twins and the family concerned with palm oil at the end of the ceremony | Nago, Ifé | 8.3 | |
Traditional family ceremony | Kpalakoun kpikpa | Seeds | Seeds are cooked with Kersting’s groundnut and served to the guests | Idaasha | 4.2 | |
Guèlèdè traditional dance (ancestor cults) | Séssé | Seeds | Seeds are prepared and served to the followers which helps them to have a good memory | Ifé | 4.2 | |
Spiritual warfare | Fight his enemies | Séssé | Seeds | At the ceremony the prepared beans are delivered to the fetish with the name of the enemy | Idaasha | 4.2 |
Love potion | Bring a person to love you | Sonouhoué | Leaves | The leaves are mixed with spider eggs and the last drops of human urine wanting to be loved. The juice obtained is applied to the eyes of the bewitched person. | Mahi | 4.2 |
Common bean religious prohibitions
Effects of socio-demographic characteristics on the use of common bean
Explanatory variables | Category of use | |||||||
---|---|---|---|---|---|---|---|---|
Medicinal | Commercial | Mystical-religious | Fodder | |||||
Coefficient | p value | Coefficient | p value | Coefficient | P-value | Coefficient | p value | |
Age | 0.011 | 0.687 | 0.045** | 0.036 | 0.531* | 0.061 | 0.322 | 0.426 |
Sex | 0.481 | 0.492 | − 0.895** | 0.037 | 0.213 | 0.739 | 0.765 | 0.491 |
Education | 0.765** | 0.037 | − 0.408 | 0.353 | − 14.354 | 0.982 | − 14.472 | 0.989 |
Experience | − 0.035 | 0.550 | − 0.045 | 0.324 | 0.013 | 0.819 | − 0.012 | 0.888 |
Constance | − 2.000 | 0.136 | − 1.514 | 0.145 | − 3.993 | 0.005 | − 3.970 | 0.058 |
Basic category | Food | |||||||
Number of observation | 164 | |||||||
LR Chi 2 (40) | 37.94 | |||||||
− 2 log-likelihood | − 208.51 | |||||||
Prob > Chi 2 | 0.001 | |||||||
Pseudo R2 | 0.08 |