Background
Methods
Areas surveyed
Sampling and data collection
Agro-ecological zone (AEZ) | Sample size |
---|---|
AEZVI | 219 |
AEZ VIII | 45 |
AEZ VII | 105 |
Total | 369 |
Incidence and severity of CMD
Analysis and data processing
Socio-demographic characteristics | Modality | Percentages |
---|---|---|
Experience in production | ≤ 15 years | 0.3 |
15–30 years | 33.5 | |
> 30 years | 66.2 | |
Sex | Male | 62.4 |
Female | 37.6 | |
Age | ≤ 15 years | 0 |
15–30 years | 5.9 | |
> 30 years | 94.1 | |
Marital status | Married | 96.5 |
Single | 3 | |
Widow(er) | 0.6 | |
Education | No schooling | 74.9 |
Primary | 10.3 | |
Secondary | 11.6 | |
Tertiary | 3.2 |
Results
Socio-demographic characteristics of surveyed farmers
Recognition of cassava mosaic disease
Factors |
χ
2
| ddl |
P
|
---|---|---|---|
Sex | 1.65 | 1 | 0.20 NS |
Age | 0.89 | 1 | 0.45 NS |
Experience | 0.10 | 2 | 0.96 NS |
Education | 3.64 | 3 | 0.30 NS |
Origins of plantation material and farmer action against CMD
Criteria for selection of cassava cultivars
Cultivars | Villages |
---|---|
Atinvovo | Niaouli, Nouzounkpa, Agbodjédo, Agrimey, Kotto, Koui, Ayou-centre, Haindé |
Hombètè | Hounssagodo, Yokpodjèvié, Foncomè, Soukpotomé, Haindé, Atchannou, Lizèmè, Tokpadji, Hècondji, Médémahoué, Tokpoé, Houéglé, Comè, Honvè, Ayou-centre, Agbodjèdo, Niaouli, Nouzounkpa |
Ahôtonon | Dessounkpa, Lamè, Agrimey, Houéglé, Foncomè |
Awonliton | Ayou-centre |
Rb | Ayou-centre |
Ben | Ayou-centre |
Soukounon | Dovota, Dessounkpa, Lamè |
Adjatindaho | Agbodjedo, Koui |
Illakè | Nouzounkpa, Yokpodjèvié, Hounssagodo |
Sèguè | Yokpodjèvié, Nouzounkpa, Hounssagodo, Tokpoé |
Dossi | Ayou-centre, Hounssagodo |
Globokouté | Hounssagodo |
Bassi | Yokpodjèvié, Hounssagodo |
Limouti | Hounssagodo, Ayou-centre |
Agric-rouge | Honvè, Comè, Atadocomè, Houéglé, Avègodo, Tokpoé, Massè, Lizèmè, Atchannou, Haindé, Hècondji, Tokpoé, Foncomè, Gouhoun, Honton, Soukpotomè, Médémahoué |
Sowé | Dovota, Lamè, Dessounkpa, Koui |
Carder | Nouzoukpa |
Bonoua | Agrimey |
Gbégo | Agrimey, Koui |
Gbézé | Agrimey, Foncomè |
Dodo | Agrimey, Koui |
Alaboukoun | Koui |
Odohoungbo | Haindé |
Dogué | Koui |
Doukoui | Agrimey, Koui |
Gologoun | Nouzounkpa, Hounssagodo, Yokpodjèvié |
Kpèkè | Agbodjèdo |
Flèkè | Niaouli, Agbodjèdo, Yokpodjèvié, Hounssagodo, Ayou-centre |
Hata | Honvè, Soukpotomè, Lizèmè |
Agblehoundo | Honvè, Comè, Tokpoé, Gouhoun, Honton, Soukpotomè, Médémahoué, Haindé, Hècondji, Tokpadji, Massè, Lizèmè, Soukpotomè |
Yovovi | Honton |
Agbézi | Foncomè, Gouhoun, Honton |
Ahôtonongbadji | Foncomè, Honton |
Gbendokoutouti | Foncomè |
Abatouin | Honton, Foncomè |
Houèton-kotou | Nouzounkpa, Niaouli, Agbodjèdo, Hounssagodo |
Atinwéwé | Agrimey, Kotto, Ayou, Haindé |
Codjovi | Tokpoé, Massè, Tokpadji |
Gbakaya | Houéglé, Avègodomè, Tokpoé, Tokpadji, Massè |
Globo | Tokpoé, Massè |
Sikuwé | Tokpoé |
Ahokpo | Atadomè, Avègodomè, Atchannou |
Gaciagamè | Atadomè, Houéglé, Avègodomè, Haindé |
Acrakouté | Haindé |
Koyinvo | Comè |
Détahouboto | Foncomè |
Zannou | Atadomè |
Ouémènou | Atadomè, Médémahoué, Haindé |
Doubokou | Agrimey, Koui |
Gimgbo | Atadomè |
Kalaba | Houéglé |
Houla | Agrimey |
Townships | Number of cultivars | Preferred cultivars |
---|---|---|
Zè | 13 | ***Hombètè, **Atinwéwé |
Allada | 13 | ***Atinwéwé |
Agbangnizoun | 3 | ***Soukounon |
Zogbodomey | 13 | ***Atinwéwé |
Dogbo | 13 | ***Agbézi, **Agric-rouge |
Bopa | 10 | ***Agblehoundo |
Athiémé | 9 | ***Agric-rouge |
Houéyogbé | 12 | ***Agric-rouge, **Agblehoundo |
Comè | 8 | ***Agblehoundo, **Agric-rouge |
Incidence of CMD
ddl | Log- |
χ
2
|
P
| |
---|---|---|---|---|
Ord. Orig. | 1 | − 330.91 | ||
Agro-ecological zone | 2 | − 313.35 | 35.11 | 2.37E−08 |
Township | 6 | − 298.81 | 29.08 | 5.87E−05 |
Zone*township | 0 | −298.81 | 0.00 | 3.00E+30 |
Level | Column | Estimation | Standard | Wald |
P
| |
---|---|---|---|---|---|---|
Ord. Orig | 1 | −7.05 | 0.57 | 151.05 | 0.00 | |
Zone | Zone VI | 2 | 4.72 | 0.86 | 30.11 | 0.00 |
Zone | Zone VIII | 3 | 5.08 | 0.71 | 51.41 | 0.00 |
Township | Houeyogbe | 5 | 0.00 | 0.52 | 0.00 | 1.00 |
Township | Dogbo | 6 | −1.75 | 1.07 | 2.65 | 0.10 |
Township | Allada | 7 | −0.15 | 0.54 | 0.07 | 0.79 |
Township | Zè | 8 | 0.36 | 0.49 | 0.53 | 0.47 |
Township | Comè | 10 | 1.47 | 0.39 | 14.38 | 0.00 |
Township | Bopa | 11 | 0.59 | 0.39 | 2.20 | 0.14 |
Severity of CMD
Classes | Size | Means | Groups |
P
|
---|---|---|---|---|
[1,2[ | 10 | 1.59 | A | 0.00*** |
[2,3[ | 10 | 0.41 | B | |
[3,4[ | 10 | 0.36 | BC | |
[4,5[ | 10 | 0.20 | BC | |
[5,- [ | 10 | 0.13 | C |