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HYDROCARBON DEGRADATION AND HEAVY METALS UPTAKE BY SENNA ALATA (L.) ROXB. IN SOIL POLLUTED WITH SPENT ENGINE OIL

ABSTRACT The aim of the study is to use Senna alata L. to remediate soil polluted by spent engine oil (SEO). One hundred and twenty polythene bags filled with 20 kg of soil were separated into two groups A (60) and B (60). Group A contained S. alata seedlings while group B had no plant. They were set up in completely randomized design. Both parts were polluted with different concentrations ...

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COMPARATVE STUDIES ON THE HEAVY METAL CONCENTRATION IN LEAF STEM AND ROOT OF CORCHORUS OLITORIUS L. IRRIGATED WITH SEWAGE WATER AND TAP WATER RESPCTIVELY

ABSTRACT The   level   of  accumulation   of   heavy   chemicals   in  the   leaves,   stem   and   roots   of Corchorusolitorius  seedlings  irrigated  with  sewage  (Sewage  effluent)  and  tap  water  to maturity  respectively  was  investigated.  Prior  to  irrigation,  water  quality  indicators  and physico-chemical  properties  of the two  water  sources  were analysed.  The experiment,  a completely randomized design was carried out in a screen house in the Botanic Garden of the Department of Plant Science and ...

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EFFECTS OF DIFFERENT ORGANIC WASTES ON THE GROWTH YIELD MARKET QUALITY AND PROTEIN CONTENT OF LENTINUS SQUARROSULUS (MONT.) SINGER AN EDIBLE NIGERIAN MUSHROOM

ABSTRACT Four organic wastes; mahogany (Khaya ivorensis) sawdust (MSD), Gmelina aborea sawdust (GSD), oil palm fruit fibre (OPFF) and oil palm empty fruit bunch (OPEFB) were evaluated for  their  effects  on  growth,  yield,  quality  and  protein  content  of  Lentinus  squarrosulus (Mont.) Singer. Plastic bag technology was used with  treatments  replicated  ten times and arranged using a completely randomized design. The quality of the harvested mushrooms was evaluated on the basis ...

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STUDIES ON THE MORPHOLOGY PHENOLOGY  AND  SEED GERMINATION OF   PENTACLETHRA   MACROPHYLLA BENTH

ABSTRACT The morphology, phenology and seed germination  of the multipurpose African oil bean tree, Pentaclethra macrophylla Benth. belonging to the family Fabaceae were studied. The study area covered   the entire Nsukka zone of Enugu State, Nigeria, and the ten towns randomly selected included: Adani, Amalla Egazi, Ede Oballa, Eha Alumona,  Eha Amufu, Ibagwa, Imilike, Nsukka, Ogrute and Orba. Morphological  aspects of the study included: the  bole type, branching pattern, leaf ...

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COMPARATIVE GROWTH RATES OF THREE VARIETIES OF ELAEIS GUINEENSIS JACQ. ON THE BASAL MEDIA OF MURASHIGE AND SKOOG GAMBORG ET AL AND EEUWENS

ABSTRACT The effect of three basal media, namely; Murashige and Skoog (MS), Gamborg et al. (B5), and Eeuwens (Y3) were assessed for mass propagation of oil palm (Elaeis guineensis Jacq. var. Dura, Pisifera and Tenera) zygotic embryos in vitro. The experimental design was a 3 x 4  factorial  in  a  completely  randomized  design  with  each  treatment  consisting  of  ten replicates. The embryos were excised under aseptic conditions and cultured on ...

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AETIOLOGY OF THE FUNGAL ROT OF CUCUMBER FRUIT (CUCUMIS SATIVUS L.) AND THE EFFICACY OF ITS CONTROL WITH PHYTOCHEMICALS FROM CRUDE EXTRACTS OF TWO PLANTS

ABSTRACT The aetiology of the fungal rot of cucumber fruit (Cucumis sativus L.) in Enugu State was investigated. Five fungal pathogens were isolated from diseased cucumber fruits. They were identified as Fusarium oxysporum Schlecht, Aspergillus niger Van Tiegh, Rhizopus stolonifer Ehrenb. ex.Fr, Geotrichum candidum Link and Mucor micheli ex Staint ‚Äď Amans. The pathogenicity tests proved them as the causal agents of the rot.  The effects of ethanolic extracts of ...

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COMPARATIVE PHYTOCHEMICAL ANALYSES OF METHANOLIC AND AQUEOUS LEAF EXTRACTS OF THREE MEDICINAL PLANTS USED IN PLANT DISEASE CONTROL

ABSTRACT Investigations were conducted to determine the qualitative and quantitative phytohemical properties of  methanolic and aqueous leaf extracts of Chromolaena odorata L., Carica papaya L., and Ocimum gratissimum L. using standard methods. The results revealed that alkaloids, saponins, flavonoids, glycosides, reducing sugars, carbohydrates, steroids, tannins and terpenoids were present in all the test plants. However, methanolic leaf extract of C. odorata had the highest amounts of saponins, flavonoids and steroids ...

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PHYTOCHEMICAL SCREENING OF LORANTHUS MICRANTHUSLINN PARASITIC ON SIX DIFFERENT HOST PLANTS.

ABSTRACT Qualitative  and  quantitative  screenings of the  leaves  of Eastern Nigerian  mistletoe, Loranthus  micranthus  L.,  parasitic  on  six  different  plant  species  namely,  Kola accuminata, Albizia adiantifolia, Anona cherimola, Citrus sinensis, Citrus auriantifolia and Pentaclethra macrophylla were carried out in the laboratories of Pharmacognosy and Biochemistry Departments of the University of Nigeria, Nsukka respectively. The results showed the  presence of eleven phytochemicals namely:  reducing sugars, terpenoids, resins,  carbohydrates, saponins,  proteins,  alkaloids, ...

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WATER QUALITY AND ALGAL DIVERSITY OF FISH PONDS AND DAM RESERVOIR IN GESEDADDO FARMS YOLA ADAMAWA STATE NIGERIA

ABSTRACT The water  quality  and  algal diversity of the  stocked  and  unstocked  ponds and  the  dam reservoir at Gesedaddo farms, Yola, Adamawa State, Nigeria, were assessed for ten months. Meteorological data were accessed from Modibbo Adama University of Technology, Yola. Physico-chemical parameters such as temperature, pH, transparency, conductivity dissolved oxygen,  total  dissolved  solids  (TDS),biochemical   oxygen  demand  (BOD),  magnesium, potassium, sodium, nitrates, sulphates, phosphates,and some trace elements (iron, copper, and zinc) ...

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NUTRIENT REQUIREMENTS FOR IN VITRO PROPAGATION OF RICINUS COMMUNIS L. ZYGOTIC EMBRYO USING THE BASAL MEDIA OF MURASHIGE AND SKOOG GAMBORG ET AL. AND SCHENK AND HILDEBRANDT

ABSTRACT This study was carried out on the nutrient requirements for the in vitro propagation of Ricinus communis employing the basal media of Murashige and Skoog (1962), Gamborg et al. (1968), and Schenk and Hildebrandt (1972) using zygotic embryos as explants. Zygotic embryos were excised from mature seeds and cultured on the three basal media with 3 per cent sucrose and 8 g/l of agar. Plant growth regulators were not ...

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IN VITRO REGENERATION OF TRECULIA AFRICANA DECNE. FROM EMBRYO EXPLANTS ON THE MEDIA OF MURASHIGE AND SKOOG (MS) AND GAMBORG ET AL. (B5)

ABSTRACT The effect of three different concentrations of sucrose namely 2, 3 and 4% were investigated on the in vitro regeneration of embryo explants of Treculia africana Decne. on the media of Murashige and Skoog (MS) (1962) and Gamborg et al. (B5) (1968) respectively without any growth regulator. The experimental design was a 2 x 5 factorial in a completely randomized design with each treatment consisting of ten replicates. Results ...

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ASSESSMENT OF GENETIC (VIA PROTEIN ELECTROPHORESIS) AND NUTRITIONAL VARIABILITIES AMONG TEN ACCESSIONS OF SPHENOSTYLIS STENOCARPA (HOCHT. EX. A. RICH) HARMS

ABSTRACT The genetic variability among ten (10) accessions of Sphenostylis stenocarpa from three states and National Centre for Genetic Resources and Biotechnology Moor Plantation, Ibadan, Nigeria were assessed using sodium dodecyl polyacrylamide gel electrophoresis (SDS - PAGE). There were variations in the banding patterns of the accessions and polymorphism was also observed. Twelve polypeptide bands were obtained ranging from 9KDA to 219KDa. The Unweighted Pair Group Method with Mean Algorithm ...

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LOCUS OF CONTROL JOB STATUS GENDER AND PERCEIVED JOB INSECURITY AMONG BANK WORKERS

ABSTRACT This study investigated locus of control, job status and gender as predictors of perceived job insecurity among bank workers. Two hundred (200) bank workers (122 males and 78 females) drawn from first bank Plc, fidelity bank Plc, zenith bank Plc, Union bank Plc and Access bank Plc all in Nsukka, Enugu state participated  in  the  study.  Locus  of  control  scale  (LCS)  and  Job  insecurity inventory (JII) were used for ...

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FUNGITOXIC EFFECT OF ETHANOLIC AND AQUEOUS LEAF EXTRACTS OF AZADIRACHTA INDICA A. JUSS, OCIMUM GRATISSIMUM LINN AND BENLATE IN THE CONTROL OF POST-HARVEST FUNGAL DISEASES OF SOLANUM MELONGENA LINN (EGG PLANT)

ABSTRACT The fungitoxic properties of ethanolic and aqueous leaf extracts of Azadirachta indica and Ocimum  gratissimum  used  for  the  control  of  post-harvest  fungal  diseases  of  Solanum melongena were tested in vitro with benlate serving as the standard fungicide and water as the bank control.  Three  fungal  species,  Aspergillus  niger,  Rhizoctonia  solani  and Mucor ramosissimus were isolated from diseased S. melongena fruits kept at room temperature on laboratory tops for10 days. ...

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THE EFFECTS OF REFUSE DUMP COMPOST AND POULTRY MANURE ON THE GROWTH AND YIELD OF AMARANTHUS HYBRIDUS L

ABSTRACT A  screen  house  experiment  was  conducted  in  the  Botanical  Garden  of  Plant  Science  and Biotechnology Department, University of Nigeria, Nsukka to assess the effects of refuse  dump compost and poultry manure on the growth and yield of Amaranthus hybridus. The accumulation of heavy metals (Hg, Cu, Cd, Zn, Pb and Cr) in the leaves, stems, roots and seeds of A. hybridus at the end of the experiment were also ...

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WATER QUALITY AND ALGAL BIODIVERSITY OF EBONYI RIVER UDENU L.G.A ENUGU STATE NIGERIA.

ABSTRACT The physico-chemical and  algal characteristics of the upper reaches of Ebonyi River were studied in four stations over a four- month period from September to December 2014. The physico-chemical parameters: air and water temperatures, colour, depth, rate of flow, transparency, pH, Total Dissolved Solids (TDS), alkalinity, Biochemical Oxygen Demand (BOD5),  Dissolved oxygen (D.O), silica, potassium, phosphate, nitrate, chloride, calcium, lead, iron and mercury were studied using standard methods. Parameters ...

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A COMPARATIVE MORPHO-ANATOMICAL STUDY OF ALBIZIA ADIANTHIFOLIA (SCHUM.)W.F. WIGHT AND ALBIZIA CHEVALIERI HARMS. (FABACEAE-MIMOSOIDEAE)

ABSTRACT Morpho- anatomical features of leaf, rachis, stem (bark), root, fruit, flower and pollen of Albizia adianthifolia (Schum.)W.F. Wight and Albizia chevalieri Harms. were studied with the goal to assess the taxonomic (pleisomorphic and apomorphic) characters in the two species, as well as to explore the agricultural and functional wood traits of ecological significance of the two species in  relation to environmental conditions and locations. Five samples of each species ...

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CHARACTERIZATION OF PENTACLETHRA MACROPHYLLA BENTH. THROUGH PROTEIN ELECTROPHORESIS

ABSTRACT Sodium Dodecyl Sulphate -  Polyacrylamide Gel Electrophoresis (SDS -  PAGE) is  a technique commonly used for the separation of proteins according to their molecular weight, based on their differential rates of migration through a sieving matrix (a gel) under the influence of an applied electrical field. SDS - PAGE was used in assessing the genetic diversity among twelve accessions of African oil bean (Pentaclethra macrophylla) germplasms obtained from NACGRAB ...

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EFFECT OF SUCROSE CONCENTRATIONS ON THE IN VITRO PLANTLET REGENERATION FROM MATURE ZYGOTIC EMBRYO EXPLANTS OF JATROPHA CURCAS L. IN MURASHIGE AND SKOOG (MS) MEDIUM

ABSTRACT Jatropha curcas L. (physic nut) is a multipurpose plant which belongs to the  family  Euphorbiaceae.  The  non-edible  oil  produced  from  the  seeds  is considered a potential renewable source of biodiesel. This research aims at estimating the optimum sucrose concentration for in vitro plantlet regeneration using mature zygotic embryos as explants in Murashige and Skoog (MS) media. Sucrose was employed as carbon source at concentrations ranging from 0 to 5 ...

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EFFECTS OF SIMULATED CRUDE OIL CONTAMINATION ON THE PHYSICOCHEMICAL PROPERTIES AND BACTERIAL POPULATION OF RHIZOSPHERE OF SORGHUM VULGARE PERS.

ABSTRACT This study has been undertaken to investigate the physicochemical properties and the bacterial population of the rhizosphere of Sorghum vulgare. In order to simulate spillage, 0.2, 0.9 and 5.0 % v/w concentrations of crude oil were used to contaminate soil sown with seeds of Sorghum vulgare, while the control had no crude oil contamination.  0ne hundred and twenty days after contamination, the physicochemical properties and bacterial population of the ...

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