Annales de l’Université de Parakou - Série Sciences Naturelles et Agronomie, Dec 31, 2019
The prevalence of global acute undernutrition in Benin for children aged 0-5 in 2018 is 5%. The o... more The prevalence of global acute undernutrition in Benin for children aged 0-5 in 2018 is 5%. The objective of this work was to determine the prevalence of global undernutrition and to identify the factors associated with the occurrence of this undernutrition in subjects under 5 years of age in July 2018. There was talk of a transversal descriptive work and analytical study that looked at child undernutrition in rural northern areas. A univariate then multivariate analysis of the factors associated with undernutrition was carried out. As main results, one can retain, a prevalence of 24.3% on a recorded population of 641 children of less than 5 years. The prevalence of severe wasting was 2.5%, that of moderate was 5.5%. As for the delay in statute, its prevalence was 5.3% and 9.9% respectively for the severe form and the moderate form. The stunted growth accounted for 3.6% and 7.5% respectively. The factors associated with overall undernutrition were non-compliance with the MEA with a risk of 2.02 (p = 0.001), household size with a risk of 1.83 (p = 0.037). The protective factors were the introduction of porridge after six months (risk of 0.45; p = 0.023) and households owning sown areas of 0.25-2 ha (risk of 0.66; p = 0.043). These factors could be the levers on ambitious prevention programs likely to be grafted to reduce the extent of undernutrition in rural areas in North Benin.
In Benin, cotton cultivation is rain fed. There is a need to develop varieties adapted to the cur... more In Benin, cotton cultivation is rain fed. There is a need to develop varieties adapted to the current diversity of growing conditions caused by climate disruptions. To identify types of varieties that may be used in crossing to adapt varietal offer to climatic disturbances, sixteen genotypes of diverse origins were characterized with a randomized complete block design with four replications. Fifteen agromorphological variables allowed to describe the genetic variability using descriptive statistics and multivariate analyses. Results showed high genetic variability and a structuration into three groups of genotypes tested. Plant height, length of fruiting branches, height to node ratio, flowering date and opening date of first bolls are the main distinguishing characteristics between groups (p<0.01). The first group consists of compact genotypes with stems, fruiting branches and internodes relatively short. These genotypes were early to flowering and opening bolls. The second group is composed of more vegetative genotypes, with medium size stems with long fruiting branches and long internodes; they are late to flowering and opening bolls. The third group consists of a tall genotype with short fruiting branches and long internodes; it is early to flowering and opening bolls. Compact and early genotypes could be used in crossbreeding to produce varieties adapted to the current climate disruptions.
Annales de l’Université de Parakou - Série Sciences Naturelles et Agronomie, Dec 31, 2019
The prevalence of global acute undernutrition in Benin for children aged 0-5 in 2018 is 5%. The o... more The prevalence of global acute undernutrition in Benin for children aged 0-5 in 2018 is 5%. The objective of this work was to determine the prevalence of global undernutrition and to identify the factors associated with the occurrence of this undernutrition in subjects under 5 years of age in July 2018. There was talk of a transversal descriptive work and analytical study that looked at child undernutrition in rural northern areas. A univariate then multivariate analysis of the factors associated with undernutrition was carried out. As main results, one can retain, a prevalence of 24.3% on a recorded population of 641 children of less than 5 years. The prevalence of severe wasting was 2.5%, that of moderate was 5.5%. As for the delay in statute, its prevalence was 5.3% and 9.9% respectively for the severe form and the moderate form. The stunted growth accounted for 3.6% and 7.5% respectively. The factors associated with overall undernutrition were non-compliance with the MEA with a risk of 2.02 (p = 0.001), household size with a risk of 1.83 (p = 0.037). The protective factors were the introduction of porridge after six months (risk of 0.45; p = 0.023) and households owning sown areas of 0.25-2 ha (risk of 0.66; p = 0.043). These factors could be the levers on ambitious prevention programs likely to be grafted to reduce the extent of undernutrition in rural areas in North Benin.
In Benin, cotton cultivation is rain fed. There is a need to develop varieties adapted to the cur... more In Benin, cotton cultivation is rain fed. There is a need to develop varieties adapted to the current diversity of growing conditions caused by climate disruptions. To identify types of varieties that may be used in crossing to adapt varietal offer to climatic disturbances, sixteen genotypes of diverse origins were characterized with a randomized complete block design with four replications. Fifteen agromorphological variables allowed to describe the genetic variability using descriptive statistics and multivariate analyses. Results showed high genetic variability and a structuration into three groups of genotypes tested. Plant height, length of fruiting branches, height to node ratio, flowering date and opening date of first bolls are the main distinguishing characteristics between groups (p<0.01). The first group consists of compact genotypes with stems, fruiting branches and internodes relatively short. These genotypes were early to flowering and opening bolls. The second group is composed of more vegetative genotypes, with medium size stems with long fruiting branches and long internodes; they are late to flowering and opening bolls. The third group consists of a tall genotype with short fruiting branches and long internodes; it is early to flowering and opening bolls. Compact and early genotypes could be used in crossbreeding to produce varieties adapted to the current climate disruptions.
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