Forage trading in the city of Abidjan is an activity not known by the population. The objective of the study was to determine the importance of the collection of forage plants in the socio-economic life of the actors of the sector. Prospects and semi-structured interviews were conducted, and we determined the floristic composition of forages sold in the market. The results of the survey show that the forage sold by the farmers is taken free of charge in the city of Abidjan. The unit price (UP) of a bundle of forage is on an average of 50 FCFA when there are few animals on the market, and 100 FCFA or 200 FCFA in case of high affluence such as during holidays. Thus, the estimated average financial income per day of an operator during periods of low affluence of animals in the markets is 875 F CFA. On an average, it is 26250 FCFA per month and 3350 FCFA per day. Also, there is an estimated average of 100 400 FCFA in periods of abundance of animals for sale in the market. The results of investigations showed that forages species sold are composed of species such as Chloris pilosa Schumach. (Poaceae), Panicum maximum Jacq (Poaceae), Brachiaria lata (Schumach.) Hub (Poaceae), Arachis hypogea L. (Fabaceae), and Phaseolus vulgaris L (Fabaceae). In addition to being food reserves, these activities provide work for those who exploit them. It allows them to meet their daily needs and also compensate for the lack of jobs.
The objective of this study was to analyze the functioning of fodder exploitation in the District of Abidjan. Research and surveys were carried out among fodder operators on both fodder collection and sale spots and on livestock markets as well. Formal surveys, carried out in a single visit using questionnaires, made it possible to conduct interviews with stakeholders. The fodder supply sites include the localities of Alépé,
We studied the possibility of producing seedlings of Thunbergia atacorensis (Acanthaceae) starting from cuttings under controlled cultivation conditions during 3 months. The objective of this work is to determine the optimal conditions for seedling production Thunbergia atacorensis by vegetative reproduction to allow its extension from professional growers and amateur (consumers). The study consisted to analyze their effect the plant growth, seedlings development, and leaves production. At the end the study, we obtained a rate of 91p.c for vegetative recovery for the cutting in shade 97p.c. for the cutting exposing to sun. However, the cuttings exposed sun European Scientific Journal July 2017 edition Vol.13, No.18 ISSN: 1857 -7881 (Print) e -ISSN 1857 329 clearly dissociates cuttings exposed to the shade with a shorter time of recovery. At the end of 3 months, only the sunny seedlings survive despite of the recovery rate of recovery. The study showed that the four environmental factors, the mode of exposure (sun and shade) and time (weeks) have a significant influence on the height and the number of seedlings leaves. The highest seedlings are observed in the shade from weeks 1 to 3. From week 3, only the sunny seedlings continue their growth and their development. The variation of the substrate and the frequency of watering, meanwhile, had no significant influence on the height and number of leaves. In sum, despite of lack of flowering, to produce seedlings of Thunbergia atacorensis, one should initially carry out the propagation by cutting in the shade and then to gradually intensify the light to have well developed seedlings.
In the countries in the process of becoming developing, plants are means important of things to solve the public health probleme of third world countries. Ornamental plants are generally introduced into our environment make into a city for esthetics, fragrance and ecological benefits reason. However, this characteristic of ornamental plants often has another face, a "toxic" character. Thisstudy in Abidjan town, aims to show a certain ambivalence ornamental plants which embellish our close environment.
This study was initiated to optimize chemical control against Phytophthora katsurae on coconut trees with different concentrations of the fungicide phosphorous acid. In vivo, different concentrations of phosphorous acid [2.8 g (TA), 5.6 g (TB), and 11.2 g (TC) of active ingredient (a.i.)] dissolved in water, were injected into the stipes of the coconut varieties Equatorial Green Dwarf (EGD) and the hybrid PB 121 + cultivars in comparison with the same untreated cultivars. Soft and brutal inoculation, a strain of Phytophthora katsurae from naturally infected nuts was used to follow its behavior on the nuts of these cultivars treated with phosphorous acid or not. As a result, external and internal symptoms on nuts evolved according to the concentrations of acid received. 11.2 g (TC) of a.i of phosphorous acid provided protection beyond 12 months with good inhibition of pathogen growth, as opposed to 2.8 g (TA) and 5.6 g (TB) of a.i. fluctuated between 3 and 9 months depending on the varieties. This study showed a persistence of phosphorous acid in coconut tissues at high concentration in the control of Phytophthora katsurae.
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