Articles

 

Articles

Page 9 of 1139, showing 50 records out of 56903 total, starting on record 401, ending on 450

August 2018

International Journal of Physical Sciences
Radionuclide concentration: The coal ash effect

Radionuclide concentrations in coal ash, soil mixed with coal ash and soil were determined using the gamma spectroscopic method. The average activity concentrations of 226Ra, 232Th, and 40K in coal ash samples were found as 35.0, 5.8, and 109.4 Bq/kg, respectively. The average activity concentrations of 226Ra, 232Th and 40K in soil mixed with coal ash samples varied from 21.2 to 30.8, 48.6 to 82.7, and 162.5 to 180.1...

Author(s): Amakom M. Chijioke, Orji E. Chikwendu, Iroegbu Chinedu, Eke C. Benedict, Nkwoada U. Amarachi, Madu D. Afam, Ugochuwu G. Kosisochukwu and Oforma J. Tochukwu  

August 2018

African Journal of Agricultural Research
Farmers’ synergistic selection criteria and practices for livelihood security through the sustainable uses of on-farm Sorghum landrace diversity, Ethiopia

The relationships among the multiple criteria that farmers in this study area, the north Shewa and south Wollo regions of Ethiopia, use to select which sorghum landraces to grow were examined in order to assess the extent of synergistic relatedness among them as they fulfilled their roles in meeting the farmers’ goals. Surveys were conducted on 300 randomly selected farmers’ fields during the 2011/2012...

Author(s): Awegechew Teshome, Kenneth Torrance and Laura Breuer  

August 2018

African Journal of Agricultural Research
Physiological quality of seeds of shepherd's purse (Zeyheria montana M. Bignoniaceae) as a function of substrate temperature and storage

The present study aimed to investigate the influence of different substrates, temperatures and storage conditions on shepherd's purse seed quality. It was evaluated in germination paper substrates Germitest®, vermiculite, sand and Plantmax®, and roller temperatures of 25, 30, 15-25 and 20-30°C. Longevity was measured by the temporal response to different packaging (paper, plastic and aluminum) and...

Author(s): Sara Dousseau Arantes, Izabel de Souza Chaves, Lúcio de Oliveira Arantes, Amauri Alves de Alvarenga, Rafael Costa de Sant’Ana, Dayane Littig Barker, Daniele Freisleben Lavanhole and Sheila Cristina Prucoli Posse  

August 2018

African Journal of Agricultural Research
Agricultural mechanization in small rural properties in the State of Piauí, Brazil

The use of machines in the rural sector increases crop productivity in the field, making it essential to use these technologies for a successful rural enterprise in the market. In this way, this study aimed to analyze the current situation of agricultural mechanization in farms of small producers. The study was conducted in State of Piauí, in Brazil with 30 farmers in the region. This was a quantitative and...

Author(s): Antônio Veimar da Silva, Carla Michelle da Silva, Wagner Rogério Leocádio Soares Pessoa, Milena Almeida Vaz, Karine Matos de Oliveira and Francisco Sérgio  Ribeiro dos Santos  

August 2018

African Journal of Agricultural Research
Evaluation of chemical and non-chemical weed control practices on weed communities and maize yield in two agroecological zones of Swaziland

Manual weeding, maize-cowpea intercropping, pre-emergence (PRE) and early post-emergence (EPOST) herbicide applications comprised ten weed control practices evaluated in the 2015-16 cropping season on weed species structure and maize (Zea mays L.) yield in the Middleveld and Highveld of Swaziland. The herbicides used were Harness (acetochlor) and Dual Gold (S-metolachlor) as pre-emergence applications and Micro-Tech...

Author(s): T. L. Mncube and H. R. Mloza Banda  

August 2018

African Journal of Agricultural Research
Public policy on the family farming sector in Brazil: Towards a model of sustainable agriculture

This study is based on a review of the literature that analyses the repercussions of the principal public policies established for the promotion of the family farming sector in Brazil. In this review, the processes that have contributed to the establishment of these policies are assessed critically, together with their mechanisms and the connections for the evaluation of their contributions to the promotion of...

Author(s): Flaviana Cavalcanti da Silva, Antonio Lázaro Sant’Ana and Ana Heloisa Maia  

August 2018

African Journal of Agricultural Research
Moisture content, moisture-related properties and agricultural management strategies of the Benue floodplain vertisols in North Cameroon

Vertisols are widespread in North Cameroon, but are undercultivated due to difficulties linked to their shrink-swell behaviour under different moisture conditions. Eighteen vertisol samples from five profiles representative of the studied area (Benue floodplain in North Cameroon) were studied to establish a relationship between moisture and physico-chemical characteristics and supplement data for planning sustainable...

Author(s): Primus Azinwi Tamfuh, Emmanuel Djoufac Woumfo, Emile Temgoua, Alexis Boukong and Dieudonné Bitom  

August 2018

African Journal of Agricultural Research
Nitrogen fertilization in Oncidium baueri seedling growth

This study was conducted with the objective of evaluating the nitrogen fertilization in orchid seedling formation. The experiment was conducted in a greenhouse environment with a coated polypropylene mesh with retention capacity of 60% of the solar radiation flux at the greenhouse of the Department of Agronomy of State University of Londrina – PR, Brazil. One year old seedlings of the orchid species Oncidium...

Author(s): Jenniffer Aparecida Schnitzer, Osmar Rodrigues Brito and Ricardo Tadeu de Faria  

August 2018

African Journal of Biotechnology
In vitro regeneration of Neocarya macrophylla (Sabine) Prance, wild fruit of Niger

Neocarya macrophylla is a spontaneous fruit species that constitutes the dominant population of Dallol Bosso in Southwestern Niger. In order to test the in vitro regeneration ability of this species, micro-propagation was applied to micro-cuttings from young almond seedlings. The Murashige and Skoog basal medium was enriched with several concentrations of naphthaleneacetic...

Author(s): Aboubacar Kolafane and Sidikou Djermakoye Seyni Ramatou  

August 2018

African Journal of Biotechnology
Biomanagement of Rose and carnation wastes in flower industries with three epigeic earthworm species: Eisenia fetida, Eisenia andrie and Dendrobanae veneta

The horticulture sector in Ethiopia is being challenged by multifaceted hitches, among which managing excess wastes produced from the farms and minimizing the cost of inorganic fertilizers are the major ones. The performance of three epigeic earthworm species, Eisenia fetida, Eisenia andrie and Dendrobanae veneta, in managing flower (Rose and Carnation) wastes through vermicomposting was evaluated. The study was done...

Author(s): Gezahegn Degefe, Girum Tamire and Said Mohammed  

August 2018

African Journal of Biotechnology
Effect of sample extraction, preparation methods on HPLC quantification of plumbagin in in vivo and in vitro plant parts of Plumbago zeylanica L.

Plumbagin is an important therapeutic compound of Plumbago zeylanica L., the commercial demand of this compound warrants optimizing a suitable method to isolate plumbagin in large scale. The present study was undertaken to obtain the maximum recovery of plumbagin content by employing different extraction methods viz., ultra-assisted extraction (UAE), maceration extraction (ME), soxhlet extraction (SE), serial soxhlet...

Author(s): Krishna Muralidharan, Malaiyandi Jayanthi, Ramasamy Surendran, Muthusamy Balasubramanian and Shanmugam Girija  

August 2018

African Journal of Biotechnology
Co-expressing house fly cytochrome P450 6A1 and human cytochrome P450 reductase in Escherichia coli to bioconvert insecticide aldrin

Aldrin used in agricultural as well as industrial or home pest control is known to be a persistent organic pollutant, having chronic adverse effects on wildlife and humans. The degradation of aldrin has drawn a lot of attentions. In this study, house fly cytochrome P450 6A1 (CYP 6A1) or both house fly cytochrome P450 6A1 and human NADPH-P450 reductase (CPR) together was expressed in Escherichia coli cells to study their...

Author(s): Yating Wu, Yong Li, Xiaosheng Liang, Nan Jiang and Yunhua Wu  

August 2018

African Journal of Biotechnology
Isolation and identification of bacterial endophytes from Crinum macowanii Baker

The widespread distribution of Crinum macowanii across the African continent has entrenched the plant’s medicinal usage in treating diverse diseases. While its phytochemistry is well established, its microbial symbionts and their utility have not been described. As such, five bacterial endophytes, viz. Staphylococcus species C2, Staphylococcus species C3, Bacillus species C4, Acinetobacter species C5 and...

Author(s): Rebotiloe F. Morare, Eunice Ubomba-Jaswa, and Mahloro H. Serepa-Dlamini  

August 2018

African Journal of Microbiology Research
Isolation of a Lactobacillus strain from aguamiel and preliminary characterization of its antimicrobial components

The aim of the study was to characterize the antimicrobial components of Lactobacillus paracasei KSI.  In the study, a L. paracasei KSI strain was isolated and identified from aguamiel using a 16S rRNA, hsp, recA and rpoBgenes sequencing. The antimicrobial capacity of the L. paracasei strain KSI was determined by agar double layer diffusion technique, while the antagonistic activity of the cell-free extract (E-KSI)...

Author(s): Benítez-Serrano Juan Carlos, Martínez-Pérez Laura, Rosas-Murrieta Nora Hilda, Brambila-Colombres Eduardo Miguel, Hernández-Castro Rigoberto, Rosales-Pérez Mónica and Aguilar-Alonso Patricia  

August 2018

African Journal of Microbiology Research
Internal transcribed spacers (ITS) based identification of Trichoderma isolates and biocontrol activity against Macrophomina phaseolina, Aspergillus niger and Meloidogyne incognita

Ten Trichoderma isolates were isolated from different locations in Egypt. Amplification and sequencing of internal transcribed spacers (ITS) was employed to identify Trichoderma isolates that exhibited from 99 to 100% identity with three species of Trichoderma: Trichoderma harzianum, Trichoderma asperellum and Trichoderma longibrachiatum. The biocontrol activity of Trichoderma isolates against Macrophomina phaseolina,...

Author(s): Khalid S. Abdel-lateif, and Ramadan A. Bakr  

August 2018

African Journal of Microbiology Research
Antimicrobial resistance pattern of Acinetobacter spp. isolated from clinical samples in a tertiary care hospital at Madinah, Saudi Arabia

Multidrug resistance, in rapidly spreading bacterial species, is a matter of concern in health care units. Samples (6840) collected from a Saudi hospital in Madinah, were screened for Acinetobacter spp. and studied for frequency, gender distribution, and seasonal variations besides antimicrobial resistance pattern. Acinetobacter strains represented 5.5% of the clinical isolates from different sources. Of these, 63% were...

Author(s): Samah Ghanem, Hatem M. El Shafey, and Nikhat Manzoor,  

August 2018

African Journal of Microbiology Research
Prevalence and genetic diversity of the strains of Bacillus cereus groups in food for infants and young children in México

The aim of this study was to determine the prevalence and genetic diversity of the strains of Bacillus cereus groups isolated in México from foods for infants and young children. A total of 94 foods from a single commercial brand were analyzed to find B. cereus through a pre-enrichment method of colonial morphology in agar mannitol yolk polymyxin. Specific colonies were selected to be analyzed by polymerase chain...

Author(s): Roberto Adame-Gómez, Kevin del Ángel Guzmán- Guzmán, Amalia Vences-Velázquez, Marco Antonio Leyva-Vázquez, Salvador Muñoz-Barrios and Arturo Ramírez-Peralta  

August 2018

African Journal of Business Management
Move your Business Forward with Harvard

The CEIBS-Harvard Executive Program celebrated its 2nd Edition with the slogan: Move your business forward with Harvard. Executives can move their businesses forward through this annual executive program. The program took place from July 21st to 27th, 2018, at the Harvard Faculty Club in the prestigious city of Cambridge, Massachusetts.  

Author(s): Marisa del Pozo Lite  

August 2018

African Journal of Business Management
Determinants of growth of private investment in Jimma City, Ethiopia

Private investment is one of the mainsprings of economic growth. Jimma city has been identified as the low private investment activities in the development and growth of the economy. Thus, the objective of this study is to explain the determinants of private investment in the city. In an attempt to achieve this objective, data was collected through self-administered questionnaire from 171 sample respondents through a...

Author(s): Tigist Waktole and Mekonnen Bogale  

August 2018

African Journal of Business Management
The innovation of local public-sector companies: Processing big data for transparency and accountability

New Public Governance (Klijn, 2008) is the basis for our analysis of the group of public-sector and public service companies. It has furthered the involvement of citizens and of political governance in the management of resources (Boston and Pallot, 1997; Northcott et al., 2012). In order to manage the group while remaining accountable and guiding production choices, it is essential to have an overview and a guarantee...

Author(s): Paolo Pietro Biancone, Silvana Secinaro and Valerio Brescia  

August 2018

Journal of Medicinal Plants Research
Ethnobotanical study of medicinal plants used by local people in Menz Gera Midir District, North Shewa Zone, Amhara Regional State, Ethiopia

This study was conducted in Menz Gera Midir (Ethiopia) to document medicinal plants and related indigenous knowledge of local people. Data were collected from 72 (12 of them key) informants using semi-structured interview, group discussion and guided field walk. Priority ranking, paired comparison and direct matrix ranking were used in data analysis. A total of 155 medicinal plant species, 104 (67.1%) from natural...

Author(s): Seble W. Yohannis, Zemede Asfaw and Ensermu Kelbessa  

August 2018

Educational Research and Reviews
Determinants of students’ vulnerability to attrition in higher education: Evidence from Arba Minch University, Ethiopia

This study aimed at assessing the level and determinants of students’ vulnerability to attrition in Arba Minch University, Southern Ethiopia using a random sample of 547 students. The study revealed that, out of 547 sample students, 207 (38%) students were found highly vulnerable to attrition, 51 (9%) students were moderately vulnerable and the remaining 289 (53%) were not vulnerable. From highly vulnerable...

Author(s): Fassil Eshetu, Adem Guye, Getahun Kelemework and Sileshi Abebe

August 2018

Educational Research and Reviews
Assessment of information and communication technology (ICT) competence and literacy skills among undergraduates as a determinant factor of academic achievement

Almost every human endeavor is supported or driven by Information and Communication Technology (ICT) including education. Teaching, learning, assessment, course registration, payment among other things are now ICT-based. Humans have attempted to use technology to improve their life span and quality, and education is not excempted in this great paradigm shift. This paper focuses on the Information and Communication...

Author(s): Nwosu J. C., John H. C., Izang A. A. and Akorede O. J.  

August 2018

Educational Research and Reviews
Indicators of characteristics of Learners Autonomy in English Language of Primary 6 students in the Northeast of Thailand

This study aims to develop indicators of characteristics of Learners Autonomy in English Language of Primary 6 students in the Northeast of Thailand. The researcher used a mixed research methodology. The samples were divided into 2 categories which are qualitative and quantitative samples. On qualitative sample, 7 experts in humanities and social were interviewed to assess the development of indicators of...

Author(s): Unjana Suphandee, Sunan Sripai, Jamloong Woonprasert, Sirisak Ardwichai and Terdsak Suphandee  

August 2018

Journal of Medicinal Plants Research
Evaluating the antipyretic activities of aqueous and ethanol extracts of leaves of Artemisia Annua in mice

Phytomedicines obtained from herbal sources are in great demand as they are able to cure many infectious diseases. Artemisia annua is an herbaceous plant that belongs to Composite family. As traditional medicine, it is used for cancer, ulcer, rheumatic pain and other ailments including fever in children. The objective of the present study was to evaluate the antipyretic activities of the aqueous and ethanol extracts of...

Author(s): Kassahun Dires Ayenew and Teklit Baraki Kebede  

August 2018

African Journal of Agricultural Research
Physical characteristics of colza seeds treated and coated with different filling materials

The knowledge about the physical characteristics of seeds, whether coated or not, is essential for the design of machines and equipment. Therefore, the objective of this work was to determine the physical characteristics of colza (Brassica napus L.) seeds coated with bentonite, gypsum and kaolin, treated with fungicide (carboxin + thiram) and aqueous extract of black pepper (Piper nigrum L.). The untreated colza seeds...

Author(s): Bruno Adelino de Melo, Francisco de Assis Cardoso Almeida, Wilton Pereira da Silva, Josivanda Palmeira Gomes, Juliana Ferreira da Silva, Antonio Jackson Ribeiro Barroso, Jaime José da Silveira Barros Neto, Semirames do Nascimento Silva and Polyana Barbosa da Silva

August 2018

African Journal of Agricultural Research
Yield and water use efficiency of cauliflower under irrigation different levels in tropical climate

The aim of the present study is to assess the effects of different irrigation blades on the growth and yield of cauliflower cv. Verona CMS. The plants were cultivated in Red-yellow Latosol during the dry period (winter-spring 2014 and 2015), in the Cerrado-Amazon transition region, Middle-Northern of Mato Grasso State, Brazil. The reference evapotranspiration (ETo) was recorded through the Class A pan method by using...

Author(s): Adilson Pacheco de Souza, Andréa Carvalho da Silva, Adriana Aki Tanaka, Manoel Euzébio de Souza, Mariana Pizzatto, Rafaella Teles Arantes Felipe, Charles Campoe Martim, Brena Geliane Ferneda and Suzana Grassi da Silva  

August 2018

African Journal of Agricultural Research
Comparative analysis of antioxidant activities of different varieties of mangos with some selected fruits

Natural antioxidants and secondary metabolites found in vegetables and fruits play significant role in human health. The juices obtained from fruits and vegetables are more convenient to consume than fresh vegetables and fruits. In the current study, the total phenolic, vitamin C, total carotene and B-carotene content and antioxidant activity of fruits and vegetables juices were determined by 1,1-diphenyl-2picryl...

Author(s): Abdul Ghani Dars, Kai Hu,  Aqleem Abbas  Yashu Chen, Ashfaque Ahmed Khaskheli, Qiudou Liu, Xiaopeng Li, Mamoun A Homaida, Allah Bakhsh Javaid Lakho, Bijun Xie  and Zhida Sun  

August 2018

African Journal of Agricultural Research
Evaluation and differential expression of genes conferring drought tolerance in selected maize genotypes in the Morogoro Region of Tanzania

Experiments were conducted at Sokoine University of Agriculture in Morogoro, Tanzania to assess the growth performance and grain yield of ten maize cultivars under well-watered and water stressed conditions. The ten cultivars (CML 444, CML395, CML539, WE 4107, WE 2112, WE 3102, WE 4112 and WE 4116) obtained from Water Efficiency Maize for Africa (WEMA) project and two local market cultivars (‘STAHA’ and...

Author(s): Gertrude G. Kanyairita, Desmond G. Mortley, George T. Muhamba, Marceline Egnin and Conrad K. Bonsi  

August 2018

African Journal of Agricultural Research
A clue for generating a new leucine-rich repeat gene in maize

Plant leucine-rich repeat (LRR) proteins play an important role in cell adhesion and signaling, neuronal development, disease resistance response and pathogen recognition. Therefore, the origin and evolution of the LRR genes had been studied deeply. However, there were no evidence of generating new LRR genes. In this study, the genomic and amino acid sequences of the LRR genes or proteins were aligned based on Maize GDB...

Author(s): Zheng Yang and Kui Xiang  

August 2018

African Journal of Agricultural Research
Evaluation of different methods to control invasive alien grass weeds in a degraded area

The objective of this study was to evaluate the efficiency of different methods of exotic grass control in a degraded area in the urban area of Diamantina, state of Minas Gerais, Brazil. The experiment was carried out in a randomized block design, with the following methods of control of invasive grasses: T1) manual; T2) mechanical; T3) chemical; and T4) chemical + mechanical. After one hundred days, regenerants of...

Author(s): Leonardo Palhares da Silveira, Danielle Piuzana, Israel Marinho Pereira, Bruno Oliveira Lafetá and José Barbosa dos Santos  

August 2018

African Journal of Agricultural Research
Analysis of energy input-output of irrigated rice production in Jere Bowl Borno State, Nigeria

The study analyzed energy input-output of irrigated rice production at the Jere Bowl Borno State, Nigeria. One hundred and thirty farms were sampled through multistage sampling procedure. The data collected were analyzed using descriptive statistics and energy equations. The result showed that total of 36,397.85 MJ/ha of energy was consumed in the irrigated rice production with the highest energy input taken up by...

Author(s): Muhammad Wakil, Abubakar Ibrahim, Abba Sidi Shehu Umar and Grema Bukar  

August 2018

African Journal of Agricultural Research
Screening of local and improved bean varieties for resistance to halo blight disease

The study was conducted to screen local and improved bean varieties for resistance to halo blight disease caused by Pseudomonas syringae pv. phaseolicola. A total of eight improved (Sokoine University of Agriculture (SUA) 90, Rojo, Zawadi, Mshindi) and local (Mwasipenjele, Masusu, Kabhaya, Mabula) bean varieties were collected from breeders at SUA and farmers at Ileje district in Songwe region. Isolation of P. syringae...

Author(s): Andekelile Mwamahonje  

August 2018

African Journal of Pharmacy and Pharmacology
Cross-cultural adaptation and validation to Brazil of the “Medication Counseling Behavior Guidelines”

This work aimed to translate cross-culturally adapts, and validate the “Medication Counseling Behavior Guidelines” instrument into Brazilian Portuguese. The process of cross-cultural adaptation was carried out using international recommendations. The generated versions were evaluated for the semantic, idiomatic, cultural, and conceptual equivalences and the pre-test was carried out with undergraduate...

Author(s): Anne Caroline Oliveira dos Santos, Felipe Pimentel Paixão, Alessandra Rezende Mesquita, Izadora Menezes da Cunha Barros, Kérilin Stancine Santos Rocha, Sabrina Cerqueira Santos, Chiara Ermínia da Rocha, and Divaldo Pereira de Lyra Júnior  

August 2018

African Journal of Pharmacy and Pharmacology
Cytotoxic potential of ethanol extract of Parquetina nigrescens on MCF-7, C4-2WT, HT 29 and HTC 116 cell lines

The cytotoxic activity of ethanol extract of Parquetina nigrescen was investigated using a (3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, methylene blue and Trypan Blue exclusion assay on four human cancer cell lines, MCF-7, HT 29, HTC 116 and C4-2WT. A mitochondrial enzyme in living cells, succinate-dehydrogenase cleaves the tetrazolium ring and converts the MTT to an insoluble purple...

Author(s): Blessing M. Onyegeme-Okerenta, Christian Agyare, Tracey D. Bradshaw and Keith A. Spriggs

August 2018

African Journal of Biotechnology
Nuclear isolation and purification using SDS/urea (NIPSU) method for efficient and rapid extraction of high-purity genomic DNAs from Jatropha curcas L: A comparative analysis of DNA isolation protocols

Jatropha curcas L. (Jatropha) has gained popularity for its potential use in biodiesel production in arid regions, and its yield improvement by molecular breeding has been anticipated. However, Jatropha is known for its recalcitrance in the extraction of pure genomic DNAs. In this study, four DNA extraction methods were comparatively examined for their efficiency and quality of genomic DNA isolations from Jatropha....

Author(s): Yoshihiko Nanasato,#, Ryo Uenoyama, Kaede Tomooka, Atsushi Kato, and Kinya Akashi,  

August 2018

African Journal of Biotechnology
Evaluation and comparison of staining effect of Punica granatum flower extract on testis and ovary of Wistar rats: First results

The evaluation and comparison of the staining effect of pomegranate (Punica granatum) flower extract (dye solution) on histological sections of rat testis and ovary provides a simple, quick technique for the visualisation of both cells. In the developed procedure, this work shows the staining effect of P. granatum flower extract used at different pH of dye bath and temperatures on the histological sections of rat testis...

Author(s): Nilgün Güler Kuşçulu  

August 2018

African Journal of Biotechnology
Circular RNA expression profiles of peripheral blood mononuclear cells in rheumatoid arthritis patients

Rheumatoid arthritis (RA) is a systemic, chronic autoimmune disease involving synovial inflammation and joint destruction. Lack of knowledge on RA pathogenesis hinders development of effective treatments. The aim of this study was to examine whether circular RNAs (circRNAs), which are involved in the development of other diseases, may also play a role in RA. Expression profiles of circRNAs were compared between...

Author(s): Xinqiang Song, Erqin Dai, Pengpeng Zhang, Shuai Wang, Lei Wang, Lei Chen, Yapeng Han and Yuan Luo#  

August 2018

African Journal of Biotechnology
Comparative analysis of the chemical compositions of indigenous watermelon (Citrullus lanatus) seeds from two districts in Limpopo Province, South Africa

Seeds from different indigenous watermelons were analysed for their chemical composition such as phenolics, proteins, oils, minerals, ash and fibre content as well as antioxidant activity measured in methanol extract using 2.2-diphenyl-1-picrylhydrazyl (DPPH) assay. The morphological variations of watermelons, which revealed diversity in terms of fruit and seed colour were also assessed. Average percentages for lipid...

Author(s): Emmanuel Alpheus Mogotlane, Phatlane William Mokwala and Phetole Mangena

August 2018

African Journal of Microbiology Research
Using light emitting diodes at 450 nm for in vitro treatment of water intended for human consumption

This study aimed to evaluate the in vitro antimicrobial effect of exposing raw water intended for human consumption to light (λ= 450 nm) and to investigate the correlation between the results obtained and physical and chemical parameters. Fifteen (15) samples of raw water were collected from households in a rural area of ​​Santo Antônio de Jesus – Bahia (Brazil), from November to December 2016. A 100...

Author(s): Felipe Silva de Miranda, Juciene de Jesus Barreto da Silva, Ana Lúcia Moreno Amor and Isabella de Matos Mendes da Silva  

August 2018

African Journal of Microbiology Research
Quality of water for human consumption in a rural area community from Brazil

This work aimed at evaluating the bacteriological, parasitological, physical and chemical quality of water intended for human consumption in a community in a rural area of Recôncavo of Bahia (Brazil) and the factors related to a possible contamination. Samples were collected at two different times: at rainy season (August to September, 2015) and dry season (April 2016). The present work evaluated the presence of...

Author(s): Felipe Silva de Miranda, Juciene de Jesus Barreto da Silva, Luiz Henrique Silva Mota, Raíssa da Silva Santos, Ana Lúcia Moreno Amor and Isabella de Matos Mendes da Silva

August 2018

African Journal of Microbiology Research
Identification of endophytic fungi from roots of two Dendrobium species and evaluation of their antibacterial property

Among all orchids, Dendrobium sp. is considered to have high medicinal value. Dendrobium moniliforme and Dendrobium transparens have immense pharmaceutical, commercial potentiality. However, their fungal endophytes remain unexplored. Isolation and identification of thirteen species of endophytic fungi from the root of D. moniliforme as well as five species from the roots of D. transparens were done. The two endophytic...

Author(s): Roshani Shrestha, Sujit Shah and Bijaya Pant

August 2018

African Journal of Agricultural Research
Intercropping in Zimbabwe conservation agriculture systems using a farmer-participatory research approach

Smallholder farmers in sub-Saharan Africa (SSA) are under increasing pressure due in part to climate change and soil degradation, with many farming households unable to achieve even basic food self-sufficiency. Conservation Agriculture (CA) is a possible solution to these challenges, but the lack of sufficient biomass for mulch has limited wide-scale adoption, and many farmers who practice CA resort to adding...

Author(s): M. Salomons, A. Braul, L. Jazi and M. H. Entz  

August 2018

African Journal of Agricultural Research
Response of maize (Zea maysL) inbred lines to different herbicide combinations

A field experiment was carried out at Agricultural Seed and Services Research Station in Zimbabwe to evaluate the response of maize inbred lines to different herbicide combinations. The trial was laid out in a 5×12 split plot design replicated three times. Herbicide combination was main plot factor with five levels; Hand-hoeing;metolachlor+ atrazine;metolachlor+ atrazine+ nicosulfuron; metolachlor+ atrazine+...

Author(s): Nyasha Sakadzo, Kasirayi Makaza, Ignatius Chagonda and Jimmy Shanangura, and Tafadzwa T Haripo  

August 2018

African Journal of Agricultural Research
Sustainable land management and ecological service assessment in Northwest of China: Case study of Yanchi, People’s Republic of China

This research aims to assess the driving factors hindering the effectiveness of these protected areas implemented to counter land degradation and evaluate the services provided by these ecosystems in the North West of China. With Ningxia province, Yanchi County chosen as experimental research area, preferential sampling technique was used with 50 plots of (quadrat) laid for plant community characteristics survey...

Author(s): Kossi Fandjinou, Kebin Zhang, Fousseni Folega and Xiaohui Yang  

August 2018

African Journal of Agricultural Research
Technology transfer and anthropotechnology: An analysis of the sugarcane harvesting in Australia and Brazil

The present paper conducts a comparative analysis of the operation of sugarcane harvesting machines in their original place of design (Australia) and in a recipient country of this technology (Brazil). The method comprised Ergonomic Work Analysis (EWA) and the assumptions of anthropotechnology proposed by Wisner. The results achieved depict the similarities and differences between the two countries regarding: (a) the...

Author(s): Lidiane Regina Narimoto and João Alberto Camarotto  

August 2018

African Journal of Agricultural Research
Rainfall variability and its implications for agricultural production in Gedarif State, Eastern Sudan

Rainfed agriculture is practiced in the central clay plains of Sudan and is affected by the high rainfall variability in time and space within and between seasons. This study focused on analyzing rainfall variability and trend using a 30-year record (1985-2014) of seven meteorological stations at the major agricultural production areas in Gedarif state in eastern Sudan. Yearly rainfall has relatively low variability...

Author(s): Lotfie A. Yousif, Abdelrahman A. Khatir, Faisal M. El-Hag, Ahmed M. Abdelkarim, Hussain S. Adam, Abdelhadi A. Wahab, Yasunori Kurosaki  and Imad-eldin A. Ali-Babiker,  

August 2018

African Journal of Agricultural Research
Effect of cutting height on nutritional characteristics of three agroforestry tree legume species and their feed supplement value on Chloris gayana Kunth.

This study investigated the effect of cutting height (30 and 100 cm) on chemical composition and in vitro digestibility in field-grown Acacia angustissima (Mill.) Kuntze. (Prairie acacia), Leucaena pallida Britton & Rose (guaja) and Mimosa scabrella Bentham. (bracatinga) legumes and their value in supplementing a basal diet of Chloris gayana Kunth. (Rhodes grass). Cutting height did not affect major chemical...

Author(s): Marguerite Mukangango, , Ewa Wredle, Mupenzi Mutimura and A. Sigrun Dahlin  

August 2018

African Journal of Agricultural Research
Population dynamics of white mango scale, Aulacaspis tubercularis Newstead (Hemiptera: Diaspididae) in Western Ethiopia

Mango (Mangifera indica L.) is the third most important fruit crop in the tropics following citrus and banana. It is consumed as a fresh fruit and different forms of preparations for its multifaceted nutritional values. Mango production in Ethiopia is constrained by infestation of white mango scale (WMS), Aulacaspis tubercularis Newstead. White mango scale was recorded from Ethiopia for the first time in 2010, in a...

Author(s): Ofgaa Djirata, Emana Getu and Kahuthia-Gathu Ruth    

August 2018

African Journal of Agricultural Research
Influence of markets on fish farming adoption: The case of Chingale in Malawi

The challenges constraining the contribution of aquaculture to food security and household incomes have mostly been documented as low utilization of improved feed, lack of improved seed and unfriendly financing services. This study looked at the influence of markets including market information on adopting aquaculture technologies. Data were collected from 110 farmers in Zomba District, Malawi. Using a logit model,...

Author(s): Regson Chaweza and Joseph Nagoli  

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