Articles

 

Page 10 of 1169, showing 50 records out of 58450 total, starting on record 451, ending on 500

13 June, 2019

African Journal of Agricultural Research
Evaluation of lentil varieties and seedbed types for the management of lentil Fusarium wilt disease (Fusarium oxysporum f. sp. lentis) in central highlands of Ethiopia

An experiment was conducted at Chefe Donsa naturally infested field with Fusarium oxysporum f. sp. lentis in order to evaluate the effect of lentil genotypes and seedbed types as components of integrated management option. A factorial experiment including lentil variety and seedbed type, each at four levels, was carried out in a split-plot design with three replications. The four lentil genotypes were ILL-590...

Author(s): Tolesa Bedasa and Asrat Zewdie  

13 June, 2019

African Journal of Agricultural Research
Assessment of Yield and Yield Related Traits in Durum Wheat (Triticum Turgidum) Genotypes in Northern Ethiopia

The main objective of this study was to evaluate 21 durum wheat genotypes for grain yield and agronomic traits under rain fed condition in three districts of Axum Agricultural Research Center, namely Hatsebo, Tahtay-Maichew and Ahferom during 2014 cropping season. Completely randomized block design with three replications was conducted for each location. The result of analysis of variance indicated that there was a...

Author(s): Berhanu Meles and Haftamu Hailekiros  

13 June, 2019

African Journal of Agricultural Research
Cowpea (Vigna unguiculata (L.)Walp., Fabaceae) landrace (local farmers’ varieties) diversity and ethnobotany in Southwestern and Eastern parts of Ethiopia

The present research was carried out to identify and document the landrace diversity and ethnobotanical uses of cowpea (Vigna unguiculata (L.) Walp) (Fabaceae) in Southwestern and Eastern Ethiopia. Data were collected through field observations, semi-structured interviews, guided field walk with cowpea farmers and users, and market surveys. Descriptive statistics, preference ranking and informant consensus were employed...

Author(s): Sisay Alemu, Mulugeta Alemu, Zemede Asfaw, Zerihun Woldu and Berhanu Amsalu Fenta  

12 June, 2019

African Journal of Biotechnology
Physicochemical properties of rhodanese from the kidney of cane rat (Thryonomys swinderianus)

We report the properties of partially purified rhodanese, a cyanide detoxifying enzyme isolated from the kidney of the greater cane rat commonly known as grasscutter (Thryonomys swinderianus). T. swinderianus kidney rhodanese had a specific activity of 1.43 µmole/min/mg protein, a fold of 2.31 and a 55% recovery. The apparent Km values of 0.408 and 0.316 mM were obtained for both sodium thiosulphate (Na2S2O3) and...

Author(s): Leonard Ona Ehigie, Bamidele Sanya Fagbohunka, Babamotemi Oluwasola Itakorode and Raphael Emuebie Okonji  

12 June, 2019

African Journal of Biotechnology
Characterisation of volatile compounds and flavour attributes of Lablab purpureus bean accessions

The Lablab bean (Lablab purpureus) has potential of being an outstanding resource for human food and animal feed in tropical agricultural systems. The bean is however grossly underutilized due to anti-nutritional factors, which may affect its nutritive value and organoleptic properties. In this study, twenty-four (24) lablab bean accessions were assayed for sensory flavor characteristics and volatile compounds to...

Author(s): Kimani, E., Matasyoh, J., Kinyua, M. and Wachira, F. N.  

10 June, 2019

Educational Research and Reviews
The predictive power of university students’ self-leadership strategies on their self-efficacy

This study aims to analyse correlations between the self-leadership strategies employed by university students and their self-efficacy and to determine whether or not their self-leadership and self-efficacy differ significantly on the basis of gender. The study is in the model of correlational survey and it uses random sampling method. The study was performed with the voluntary participation of undergraduate students...

Author(s): İlknur Maya and Ersin Uzman    

10 June, 2019

Educational Research and Reviews
Orthography and punctuation problem in Turkey within the context of the curricula and textbooks

In this study, the orthography and punctuation problem was evaluated within the context of the curricula and textbooks. The data obtained from both sources were assessed by way of document reviews, and consequently, it was seen that the orthography and punctuation topics existed as learning outcomes only in the curricula for the 1st, 2nd, 3rd, 4th and 5th grades. No learning outcomes related to orthographic or...

Author(s): Latif Beyreli   

10 June, 2019

Educational Research and Reviews
Supervision on early intervision practices for teachers of the deaf

The objective of the present study was to examine the early intervention practices of two teachers working with infants with hearing loss and the supervision provided to these teachers to improve their practices. It was designed as a qualitative case study. Data were collected with intervention session video recordings, evaluation meeting audio recordings, session plans, the reflective journals, teacher evaluation forms...

Author(s): Zerrin Turan             

10 June, 2019

Educational Research and Reviews
Participating in a high school debate program and college matriculation and completion: Evidence from the Chicago Debate League

Prior work has demonstrated that debate is associated with academic achievement in high school. Whether debate in high school is predictive of better college outcomes beyond its established relationship with promoting college readiness as indicated by the ACT is unknown. This research examines and evaluates the impact of participating in a high school debate program on college matriculation and completion. Data come...

Author(s): Daniel T. Shackelford, Scott M. Ratliff and Briana Mezuk,

10 June, 2019

Journal of Medicinal Plants Research
In vitro evaluation of fruit extracts of Annona stenophylla diels and Flacourtia indica for incorporation into formulations for management of cancer

There are many reports which show a positive relationship between free radical damage and diseases such as cancer. Free radicals are formed when humans are exposed to ionizing radiation or during oxidation process in human beings can damage tissues and may potentially lead to development of cancers. Since radiation may be used in the management of cancer, there is need for the development of a radioprotective herbal...

Author(s): Cosmas Josiah Musewu and Rudo Fiona Mapanga  

10 June, 2019

Journal of Medicinal Plants Research
Chemical fingerprint of Bacopa monnieri L. and Rosmarinus officinalis L. and their neuroprotective activity against Alzheimer's disease in rat model’s putative modulation via cholinergic and monoaminergic pathways

Alzheimer’s disease is characterized by progressive degeneration of cortical and hippocampal neurons. This study aims to characterize the metabolic profiles of the hydro-ethanolic extracts of Bacopa monnieri L. (BM) and Rosmarinus officinalis L. (RO) cultivated in Egypt via UPLC–ESI/MS analyses and reveal their possible mechanism of the prophylactic effect(s) on neuro-degeneration in rat model of...

Author(s): Nermien E. Waly, Nora M. Aborehab and Mahitab H. El Bishbishy  

10 June, 2019

Journal of Medicinal Plants Research
Evaluation of the in vivo antiplasmodial activity of ethanol leaf extract and fractions of Jatropha gossypifolia in Plasmodium berghei infected mice

The study evaluates the in vivo antiplasmodial activity of ethanol leaf extract and fractions of Jatropha gossypifolia in Plasmodium berghei infected mice. Phytochemical, physicochemical analyses, median lethal dose (LD50), effects on biochemical parameter were evaluated and the schizonticidal effects during early and established infections were investigated. The extract (50-200 mg/kg) was screened for antimalarial...

Author(s): Onyegbule F. A., Bruce S. O., Onyekwe O. N., Onyealisi O. L. and Okoye P. C.  

8 June, 2019

African Journal of Pharmacy and Pharmacology
Nanotechnology: A non-invasive diagnosis and therapeutic tool for brain disorders

Presently, nanotechnology appears as a powerful and innovative tool in the medical field. It has various advantages over the conventional drug therapy such as therapeutic specificity, has less side effects, reduces dose of drug, has more precise treatment and can access the inaccessible areas of the body like brain, tumor cells, etc. The human brain is the most complicated part of the body which is highly protected with...

Author(s): Amit Alexander, Sabahuddin Siddique, Mukta Agrawal, Ajazuddin, Ahmed M. Shehata, Mahmoud A. Shaker,  Syed Ata Ur Rahman, Mohi Iqbal M Abdul and Mohamed A. Shaker,  

8 June, 2019

African Journal of Pharmacy and Pharmacology
Myorelaxant effect of aqueous root bark extract of Carissa edulis (Forssk.) Vahl. is mediated through activation of nitric oxide synthase

Many patients in Africa often utilize herbal medicine for the management of hyperactive gut disorders such as diarrhea and abdominal colic. There is therefore a need to scientifically evaluate efficacy of this herbal remedies. This study investigated the myorelaxant effect of Carissa edulis (Forssk.) Vahl and its possible mechanism of action using isolated rabbit jejunum preparations. Pieces of jejunum were isolated...

Author(s): Oluoch Linus Lincone, Mbugua Paul Mungai, Muriithi Anne Wangechi, Siringo Cyril George, Wafula David Kayaja and Boniface Mwangi Chege  

7 June, 2019

African Journal of Microbiology Research
Airborne bacterial diversity and antibiotic resistance patterns in operating theatre and paediatric wards in Botswana hospitals

There is presently no information on the occurrence, abundance and diversity of airborne bacteria in Botswana hospitals. There is also growing concern in the global spread of antibiotic resistant bacteria that continue to emerge and pose serious challenge to human health. This study was aimed at determining the occurrence, relative abundance and diversity of airborne bacterial species and their antibiotic resistance...

Author(s): Lindiwe Tamocha, Mothomang Oyinloye and Teddie O. Rahube

7 June, 2019

African Journal of Microbiology Research
Antibacterial, muscle relaxant, and hypnotic effects of seeds of Peganum harmala on mice

Peganum harmala seed extract has been frequently reported to possess antibacterial potential through in vivo studies. P. harmala L. (Zygophyllaceae) is one of the most famous medicinal plants used in traditional medicine of Iraq. The harmaline, harmalol and harmine exerted many pharmacodynemic effects on the central nervous system: stimulation and depression depending on the dose. P. harmala indicates a great variety of...

Author(s): Thamer Mutlag Jasim

6 June, 2019

African Journal of Agricultural Research
Effects of fungicide application and different nitrogen fertilizer levels on yield components of three varieties of common bean Phaseolus vulgaris L.

In Cameroon, common bean is produced and highly consumed as a source of protein and means of generating income by small farm holders. However, diseases like angular leaf spot caused by Phaeoisariopsis griseola (Sacc), poor agronomic practices and low soil fertility are negatively impacting the production of the crop. A field experiment was conducted under natural conditions in the University of Dschang during the 2017...

Author(s): Sanyang S. F., Tankou C., Yaouba A. and Kinge T. R.  

6 June, 2019

African Journal of Agricultural Research
Exploring the induction of doubled haploids in cassava through gynogenesis

Production and use of double haploids is important for attainment of systematic genetic gains, and indeed several plant breeding programmes have benefited from it.  Gynogenesis, the in vitro culture of unfertilized ovules and/or embryos has specifically been exploited in several economically important crops but not cassava. In this study, we examined possibilities of generating doubled haploids (DH) in cassava...

Author(s): Julius Karubanga Baguma, Robert Kawuki, Ssetumba B. Mukasa, Mary Buttibwa, Polycarp Nalela, Maurine Eyokia, Brenda Oshaba, Zaida Lentini and Yona Baguma  

6 June, 2019

African Journal of Agricultural Research
Gas exchange in upland cotton cultivars under water deficit strategies

Aiming to evaluate the gas exchange of upland cotton cultivars cultivated in the Brazilian semiarid, subject to water deficit periods on the phenological stages, an experiment was carried out at the Campina Grande Federal University, Pombal county campus, Paraíba State, Brazil, between June and December 2015. Treatments were formed from a split-plot arrangement, in which the plots were 6 water deficit periods (P)...

Author(s): Whéllyson Pereira Araújo, José Rodrigues Pereira, João Henrique Zonta, Hugo Orlando Carvallo Guerra, Mailson Araújo Cordão and Marcos Eric Barbosa Brito  

6 June, 2019

African Journal of Agricultural Research
Fiber quality in upland cotton cultivars under water deficit strategies

An evaluation was made of upland cotton cultivar fiber quality, when subjected to water deficit periods, on the phenological stages. The experiment was carried out at the Campina Grande Federal University, Pombal county Campus, Paraíba State, Brazil, between June and December 2015. Treatments were formed using a split-plot arrangement, in which the plots were 6 water deficit periods (P) (P1 = No deficit; P2 =...

Author(s): Whéllyson Pereira Araújo, José Rodrigues Pereira, João Henrique Zonta, Hugo Orlando Carvallo Guerra, Mailson Araújo Cordão and Robson Felipe de Lima  

5 June, 2019

African Journal of Biotechnology
Bioremediation of petroleum contaminated soils by lipopeptide producing Bacillus subtilis SE1

Hydrocarbons released into ecosystems have led to environmental pollution and generated a serious threat to human health. Bioremediation is an effective method to break down hazardous hydrophobic environmental contaminants with avoiding economic and technical disadvantages. This study aimed to evaluate the efficiency of Bacillus subtilis SE1, a lipopeptide biosurfactant producer isolated from a petrochemical...

Author(s): Subuntith Nimrat, Somruetai Lookchan, Traimat Boonthai and Verapong Vuthiphandchai

5 June, 2019

African Journal of Biotechnology
Nano Selenium: Reduction of severe hazards of Atrazine and promotion of changes in growth and gene expression patterns on Vicia faba seedlings

Atrazine is a widely used herbicide on many crops and is considered one of water pollutant with approved biological hazards on plants, animals and human. Vicia faba seedlings as a biological system, is used to investigate the genotoxicity of Atrazine. Also, Nano selenium (N-Se), a Nano particle with reactive oxygen species scavenging activity was applied to reduce the genotoxicity of Atrazine. Atrazine treatment at...

Author(s): Amina Zedan and Samar Omar  

4 July, 2019

African Journal of Agricultural Research
Thermal comfort estimation for dairy cows in the south of Goiás State, Brazil

The objective of this research was to analyze the correlation between climatic and milk composition variables. Thus, meteorological data and data on milk quality and composition (fat, protein, lactose, total solids content and defatted dry extract (DDE)) were used, as well as somatic cell count (SCC). The analysis was performed using the Pearson correlation test. After the study, it was verified that the temperature...

Author(s): Larissa Mendes Cruvinel, Larissa Christina de Paula, Eliandra Maria Bianchini Oliveira, Tiago Neves Pereira Valente, Mateus Sobral de Araújo, Jeferson Corrêa Ribeiro, and  Wallacy Barbacena Rosa dos Santos,  

May 2019

International Journal of Livestock Production
Some internal and external egg quality characteristics of local and exotic chickens reared in Yirgalem and Hawassa towns, Ethiopia

Analyzing eggs quality is so important for both consumers and for coming new chicks. Total of 300 eggs (100 eggs from each native, Sasso and Bovans brown) chicken were collected during winter of 2017 to evaluate some egg quality parameters of chickens reared at Yirgalem and Hawassa towns of Southern Ethiopia. The eggs were purchased from the householders and each egg was carefully broken on a glass sheet, and was...

Author(s): Yonas Kejela, Sandip Banerjee and Mestawet Taye  

May 2019

International Journal of Livestock Production
Socio-economic perception of snail meat consumption in Fako division, south-west region Cameroon

Cameroon south-west region offers favorable climatic conditions for survival of land snails whose meat is known for their nutritional benefits. Besides, conventional livestock (beef, chicken, etc.) cannot satisfy the high demand in Cameroon. Hence, snail meat could be suitable alternative source of protein. Therefore, this article investigated the perception and identified the main determinants of land snail meat...

Author(s): Kaldjob M. Christian, Enangue N. Annick, Siri Bella N. and Etchu Kingsley  

May 2019

African Journal of Environmental Science and Technology
Environmental assessment of tropical African mahogany (Khaya)

In this study, life cycle assessment (LCIA) was used for the assessment and evaluation of the environmental performance of the Khaya lumber manufactured by three firms in Ghana. The work mainly aims to assess all possible effects to the environment, measure the carbon footprint for Ghana Khaya lumber and offer an Environmental Product Declaration (EPD) for Ghana Khaya lumber. The results show that the average...

Author(s): John Frank Eshun  

May 2019

African Journal of Environmental Science and Technology
Assessment of drinking water quality at Dodowa in the Dangbe West district of the Greater-Accra region, Ghana

Dodowa serves as a major peri-urban community close to the Accra Metropolis with increasing population, urbanization and settlements. Lack of access to basic infrastructural facilities including water and sanitation has hampered the development of the community. Dodowa has irregular access to pipe-borne water therefore the community resorts to other means of getting potable water. It is against this background that this...

Author(s): W. E. Arko, I. O. A Hodgson and F. K. Nyame

May 2019

African Journal of Environmental Science and Technology
An assessment of the contribution of fluvial sediment discharge to coastal stability: A case study of Western Region of Ghana

Fluvial sediment discharge to coastal area contributes to the stability of the coast. Deposition of fluvial sediment discharge is an important source of beach nourishment, nutrient for aquatic ecology and habitats. However, human development and interventions on rivers in the form of dams and flood alleviation schemes tend to reduce fluvial sediment supply to the coast, thus impacting on coastal stability and...

Author(s): Boye Borkai Cynthia, Boateng Isaac, Appeaning Addo Kwasi and Wiafe George

May 2019

African Journal of Environmental Science and Technology
Innovative pathways for enhancing climate change and variability resilience among agro-pastoral communities in semi-arid areas of Kiteto and Kilindi Districts, Tanzania

Climate change and variability threatens food security globally making life uncertain mostly for agro-pastoral communities in semi-arid areas. This has necessitated exploration of designed pathways with potentials to increase resilience among agro-pastoralists. This work investigates agro-pastoralists’ innovative pathways for enhancing resilience to the impacts of climate change and variability in Kiteto and...

Author(s): Henry G. Mung’ong’o, Milline J. Mbonile and Faustin P. Maganga

May 2019

International Journal of Livestock Production
‘You should be slaughtered!’ Experiences of criticism/hate speech, motives and strategies among German-speaking livestock farmers using social media

Livestock farmers are advised to engage in direct dialogue with consumers. However, attempts to communicate in this way e.g. by farmers using social media have received little academic attention. The present article, based on an online questionnaire conducted in the summer of 2018, provides an explorative insight into the motives, strategies and experiences of criticism of German-speaking livestock farmers with a...

Author(s): Christian Dürnberger  

May 2019

Journal of Development and Agricultural Economics
Value chain analysis of fruits: The case of mango and avocado producing smallholder farmers in Gurage Zone, Ethiopia

The study was aimed to analyze avocado and mango value chains actors and identify factors that determine avocado and mango market supply in the selected area of Gurage zone. A total of 259 avocado and mango producers were selected through three-stage sampling technique and 151 traders from different level were used to collect primary data using questionnaire and semi-structured interview. Descriptive and econometrics...

Author(s): Selamawit Mengesha, Dubale Abate, Chigign Adamu, Aklok Zewde and Yonnas Addis  

May 2019

Journal of Development and Agricultural Economics
Determinants of intensity of uptake of alternative pest control methods: A case of small- scale tomato farmers in Kenya

Inappropriate use of chemical pesticide in horticultural production is an emerging problem causing undesirable human health and environmental effects in developing countries including Kenya. Thus, objective of this study is to evaluate the determinants of the intensity of uptake of alternative pest control methods among small-scale tomato farmers in Nakuru County, Kenya. Multistage sampling procedure was used to select...

Author(s): Catherine Wambui Kinuthia, Oscar Ingasia Ayuya and Jane Gisemba Nyaanga  

May 2019

Journal of Dentistry and Oral Hygiene
Interdisciplinary treatment approaches for cleft lip and palate patients to obtain esthetic and functional results

The aim of this study is to present the importance of interdisciplinary treatment approaches for the patients with clefts. In this study, the treatment of four patients with cleft lip and palate were presented. After the completion of fixed orthodontic treatment, proper overjet and overbite relationships were achieved and to obtain the esthetic and functional results, two of the patients had prosthodontic treatment (one...

Author(s): Dogan E., Dogan E. I. and Dogan S.  

May 2019

Journal of Engineering and Technology Research
Application of plasma technology in aerospace vehicles: A review

The galactic and solar radiation effects on astronauts in space during manned-space missions is one of the issues that scientists are dealing with to come up with a reasonable solution to overcome this disaster. Furthermore, in space missions to Mars, Titan, and beyond them, a powerful propulsion system is required. Recently, with the enhancement of technology in plasma generation, scientists are trying to design and...

Author(s): A. Anvari

May 2019

International Journal of Water Resources and Environmental Engineering
Prototype of a control system for trickle irrigation systems considering distributors’ flow rate variation

A prototype of a real-time closed loop automatic control system has been successfully developed to suit trickle irrigation systems management. The control system was designed to manage the irrigation system based on collecting data through soil moisture sensors located at three different locations acting each third of the lateral to put the effect of emitters’ flow rate variation along laterals on soil moisture...

Author(s): Elnemr Moataz  

May 2019

Journal of Physiology and Pathophysiology
Carpolobia lutea methanol root extract reinstates androgenesis and testicular function in cadmium-challenged rats

Cadmium produces a wide range of biological dysfunctions in human and laboratory animals where it chiefly affects the testes, whereas, Carpolobia lutea has been known to have antioxidant benefits. This study was intended to investigate the effects of Carpolobia lutea root extracts on testicular hormone function in cadmium-challenged male rats. 48 male Wistar rats (170-190 g) were divided into six groups, each containing...

Author(s): Ejike Daniel Eze, Okpa Precious Nwaka, Igbokwe Ugochukwu Vincent, Moses Dele Adams, Karimah Mohammed Rabiu and Ayikobua Emmanuel Tiyo  

May 2019

Journal of Plant Breeding and Crop Science
Genetic relationships among regenerated tall coconut (Cocos nucifera L.) accessions from multivariate analyses using reliable short list of morphological descriptors in Côte d’Ivoire.

Genetic relationships among 18 regenerated tall coconut accessions from International Coconut Genebank for Africa and Indian Ocean (ICG-AIO) located at Côte d’Ivoire were studied. Analyses were achieved from 17 quantitative characters of the reliable minimal list of agro-morphological descriptors for coconut proposed by Coconut Genetic Resources Network (COGENT) in 2007. From achieved Multivariate Analyses...

Author(s): Yao Saraka Didier Martial, Diarrassouba Nafan, Dago Dougba Noël, Koffi Eric Blanchard Zadjehi, Fofana Inza Jesus, Konan K. Jean-Noel, Konan Konan Jean Louis, Bourdeix Roland, Sie Raoul Syvère and Zoro Bi I. Arsène  

May 2019

Journal of Plant Breeding and Crop Science
Evaluation of genetic variability, heritability, genetic advance and correlation for agronomic and yield components in common bean landraces from South western Kenya

The present study was conducted to estimate the genetic variability, heritability, genetic advance and association among selected agronomic traits of common bean landraces from South western Kenya. The field experiment was conducted using 52 common bean landraces at the Kenya Agricultural and Livestock Research Organization (KALRO), Kisii Research Center during 2015 and 2016 main cropping seasons. The experimental...

Author(s): Henry N. Anunda, Evans N. Nyaboga and Nelson O. Amugune  

May 2019

African Journal of Plant Science
Control of some Penicillium and Aspergillus rots of Discorea alata Poir and Discorea rotundata L. using extracts of Xylopia aethiopica (Dunal.) Linn. and Syzygium aromaticum (Linn.) Merr.

The antimicrobial activities of Xylopia aethiopica and Syzygium aromaticum extracts on fungi associated with rotting white and water yam was investigated. Diseased and healthy yam species of Dioscorea spp. were obtained from some markets. Fungal isolation was done from the samples using standard procedures. Leaves and fruits of X. aethiopica and S. aromaticum were obtained from the botanical garden, University of...

Author(s): T. C. Okpogba, A. A. Sobowale and I. T. Gbadamosi

May 2019

African Journal of Plant Science
Combining ability of highland adapted maize (Zea mays L.) inbred lines for grain yield and yield related traits under optimum and low nitrogen conditions

Maize is staple cereal crop in Ethiopia despite the fact that its production is constrained by nitrogen deficiency due to the high cost of fertilizer, and risks of drought. Therefore, development of maize varieties for low nitrogen might be one of the options to overcome the problem. The objective of this study was to estimate combining ability of highland maize inbred lines for yield and yield related traits under low...

Author(s): Shimelis Tesfaye, Habtamu Zeleke and Demissew Abakemal  

May 2019

African Journal of Biochemistry Research
Immunomodulatory effects of cement in exposed workers

This study was conducted to assess the immunomodulatory potentials [immunoglobulin E (IgE), interferon-gamma (IFN-γ) and tumor necrosis factor-alpha (TNF-α)] of cement dust in individuals occupationally exposed to cement. Potentials of cement particles to modulate immune responses have not been documented in occupationally exposed Nigerians. Twenty-nine male cement loaders who had direct exposure to cement...

Author(s): Moses O. Akiibinu, Taofeeq Oduola and Franklin Akinola  

May 2019

African Journal of Biochemistry Research
Phytochemical, acute and subacute toxicity studies of Annona senegalensis Pers. (Annonaceae) root wood extracts

Considered safe because being from natural origin, plant products can exhibit toxic effects during their use. To ensure safe use of Annona senegalensis Pers. (Annonaceae), plant widely used for its therapeutic potential, the phytochemical and safety profiles of its root wood were investigated. Standard tube characterization tests were used to highlight phytochemical groups of root wood of the plant. Acute and subacute...

Author(s): Sylvain ILBOUDO, Hortense SOME, Geoffroy G. OUEDRAOGO, Félix B. KINI, Sylvin OUEDRAOGO and Innocent P. GUISSOU,

May 2019

Journal of Accounting and Taxation
Expectation – performance of internal auditors: Examining views from Ghana

The study examines the audit expectation-performance gap from the standpoint of the internal audit function from the perspective of a developing economy. It evaluates the audit expectation-performance gap from the perspective of internal audit with the view to providing useful insights, interesting dimensions and innovative perspectives to the Audit Expectation Gap (AEG) debate. A questionnaire survey method was used to...

Author(s): Babonyire Adafula, Nicholas Asare, Williams Abayaawien Atuilik and Christopher Jwayire Adafula  

May 2019

Journal of Accounting and Taxation
Effect of tax incentives on the growth of small and medium-sized enterprises (SMEs) in Rwanda: A case study of SMEs in Nyarugenge district

The study analyzes the effect of tax incentive on the growth of small and medium-sized enterprises (SMEs) in Rwanda taking SMEs in Nyarugenge as a case study. Qualitative and quantitative research approach was adopted. The population includes 49000 SMEs from agricultural, industrial, services and tourism sectors operating in Nyarugenge district. A sample of 136 SMEs was determined using Silovin and Yemen’s formula...

Author(s): Daniel Twesige and Faustin Gasheja

May 2019

International Journal of Biodiversity and Conservation
Diversity and floristic composition of rural and sub-urban home garden in Wadera district of Oromia region, Ethiopia

This study was conducted in Wadera district of Oromia region in Ethiopia, with the objective of quantifying the diversity and floristic composition of home garden agroforestry systems. A stratified random sampling design was used to select 132 sample home gardens and a detailed inspection was conducted on diversity and floristic composition of the plant species using the Shannon-Wiener diversity index and Pielou’s...

Author(s): Biruk Birhan and Tesfaye Abebe  

May 2019

International Journal of Biodiversity and Conservation
Phytosociological survey of environmental park in Antonio Danubio municipality of Ananindeua, Para, Brazil

This article reports the floristic and phytosociology of a solid ground forest, located in the Environmental Park Antonio Danubio Lourenço da Silva, municipality of Ananindeua, Pará, Brazil. The inventory of 1 ha considered individuals with diameter at breast height (DBH) ≥ 10 cm, allocated twenty plots in each field, all of size 20 m x 25 m (500 m2) arranged randomly. A total of 239 plants was...

Author(s): Manoel Tavares de Paula, Antonio José Oliveira Macêdo, Nicelly Costa Favacho, Uzias Pereira Oliveira Leite, Altem Nascimento Pontes, Alessandro Silva do Rosário, Ismael Matos da Silva, Lucy Anne Cardoso Lobão Gutierrez, Hélio Raymundo Ferreira Filho, Pedro Henrique Oliveira Simões and Marcelo José Raiol Souza

May 2019

International Journal of Biodiversity and Conservation
Schoolchildren as informants about bushmeat consumption in Western Serengeti, Tanzania

Bushmeat contributes to household food security in Western Serengeti, particularly for low-income families who are unable to afford more expensive meat sources. However, as the human population grows, bushmeat demand is increasingly unsustainable. Formulating effective policies to reduce illegal bushmeat hunting in Serengeti National Park (SNP), requires information about the contribution of bushmeat to household meat...

Author(s): Flora Felix Manyama, Julius William Nyahongo, Martin Reinhardt Nielsen and Eivin Røskaft  

May 2019

Journal of Development and Agricultural Economics
Determinants of household transition into and out of poverty in Benin

This study tries to determine the differentiated factors of households’ transition to poverty in Benin. It was carried out on a sample of 6424 households making up data from the integrated modular survey on household living conditions. Descriptive analysis and econometric modeling as Stata 12 was used. From the results of this study, it appears that the geographical location of households in cotton and rice fields...

Author(s): Hortensia Acaha-Acakpo and Jules Yehouenou  

May 2019

Journal of Toxicology and Environmental Health Sciences
Spatial distribution and operations of petrol stations in the Kassena-Nankana district (Ghana) and associated health and safety hazards

This study was conducted in Paga to assess the spatial distribution and operations of petrol stations and the associated health and safety hazards. Coordinates of the stations and the distances between them and the nearest residences were elicited and analysed using a GPS and ArcGIS software. Distances between fuel stations’ boundaries and the middle of the N10 highway and the distances between filling...

Author(s): Nang Biyogue Douti, Samuel Kojo Abanyie, Steve Ampofo and Ebenezer Ebo Yahans Amuah  

May 2019

Journal of Philosophy and Culture
Can there be an African logic?

Since the myriads of questions and keen debates concerning the existence or otherwise of African philosophy have been defused and now become obsolete, some thinkers are poised to argue for contextual or African peculiar perspective of the various branches of philosophy, including logic. The preoccupation in this study is to make an inquiry into whether logic is culture bound or contextualizable, and, by extension,...

Author(s): Felix Ayemere Airoboman and Sylvester Idemudia Odia  

Page 10 of 1169, showing 50 records out of 58450 total, starting on record 451, ending on 500