Browsing by Author "Ogunwole, A. A."

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    Chemical Composition of a Tropical Fern Ceratoptelus Cornlita (Parkeriaceae, Pteridophyta) in Nigeria
    (2010) Oloyede, F. A.; Oloyede, F. M.; Saliu, T. L.; Ogunwole, A. A.
    Extracts from some fern species have been found to be useful in fortifying livestock and fish feeds to enhance production especially in peasant communities. The chemical composition of Ceratoptc.ris cornzltn has not been documented insNigeria. This study was thus designed to determine its suitability for use in fortifying fish feed by analysing the nutrient and anti-nutrient contents of its dimorphic fronds separately. One kg of sterile and fertile fronds of C.cornuta were collected, washed using distilled water and oven dried at 40 OC for about 96 hours. The dried samples were milled and analysed for proximate minerals, cyanide and oxalate analyses in triplicates. Results of the nutrient and anti-nutrient analyses show that both the sterile and the fertile fronds of C. cornuta can be used in aquaculture. The crude protein (4.22-5.28 g/100 g), moisture (87-91.00 g/100 g), carbohydrate (3.12-7.40 g/100 g), magnesium (23.55-194.65 mg/100 g), calcium (0.03 mg/100 g), potassium (0.17 mg/100 g), sodium (0.17 mg/100 g), silver (50.0 mg/100 g), cobalt (3.75-4.45 mg/100 g), lead (53.5-172.5 mg/100 g), copper (60.45-61.0 mg/100 g), manganese (15.65 mg/100 g), arsenium (50 mg/100 g), cadmium (3.75-4.50 rng/100 g), iron (430.00-537.45 mg/100 g) and selenium (106.83-195.45 mg(100 g) contents are considerably high. The anti-nutritional oxalate (0.861.38 mg/100 g) and cyanide (0.88-1.16 mg/100 g) are low and fall within the safe and acceptable limits as recommended by the World Health Organisation. Thus, extract from these fronds can be incorporated into livestocks and fish meals.
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    Reproductive Potentials of a Tropical Fern Cyclosorus Afer (Christ.) Ching (Thelypteridaceae: Pteridopyhte) at Obafemi Awolowo University, Ile Ife, Nigeria
    (2011) Oloyede, F. A.; Aponjolosun, B.; Ogunwole, A. A.
    Reproductive potentials of cyclosorus afer (Christ.) Ching a tropical fern was studied. Propagation by the spores of this plant was therefore investigated. The aim was to determine the ability of early germination of these spores using nutrient (growth) agar. The experimental site was the Reforestation Unit of the Department of Botany, Obaferni Awolowo University, Ile-Ife. Fresh matured spores collected from this site were cultured in a prepared nutrient medium inside the Petri dishes labeled A, B, C, D, and E. The rapid rate of germination was observed at day 10 and day 14. The experiment was replicated thrice. Statistical analysis was carried out using Analysis of Variance (ANOVA). The result showed that maximum germination occurred around the second week. This is because about three-quarters of the spores germinated between 10th and 14th day of planting during which 80%, 50%, 90% and 60% germination was recorded in each of the Petri dishes B, C, D and E respectively while no germination was observed in the control experiment in Petri dish A. This indicates that the spores have potentials to raise this plant within a short period.