Articles

 

Page 2 of 1189, showing 50 records out of 59449 total, starting on record 51, ending on 100

Journal of Medicinal Plants Research
Control of papaya fruits anthracnose by essential oils of medicinal plants associated to different coatings

June, 2020

Chemical pesticides have been commonly used for the control of various plant diseases. Although pathogens can be controlled with the application of these products, there are hazardous impacts in human health and environment. In parallel, essential oils have been shown to be effective in plant diseases management and can be safely incorporated as suitable alternatives for synthetic fungicides. Therefore, the aim of this...

Author(s): Bruna Leticia Dias, Priscila Fonseca Costa, Mateus Sunti Dakin, Dalmarcia de Souza Carlos Mou rao, Felipe Rocha Dias, Rosangela Ribeiro de Sousa, Ped ro Raym undo Argiielles Osorio, Talita Pereira de Souza Ferreira, Fabricio Souza Campos and Gil Rod rigues Dos Santos  

Journal of Medicinal Plants Research
The effects of aqueous extract of Bowdichia virgilioides Kunth in the immune functions of thymocytes and B-lymphocytes

June, 2020

Bowdichia virgilioides Kunth (Fabaceae) is a tree species used in folk medicine against inflammatory disorders, and it is still unclear whether consumption of the B. virgilioides stem bark extract has any effect on immune cells. Thus, this study aimed to evaluate the effects of B. virgilioides stem bark extract (AEBv) on the functions of the thymus and B lymphocytes. The AEBv was obtained by decoction and administrated...

Author(s): Maria Danielma dos Santos Reis, Larissa Fernanda de Araújo Vieira, Altair Rogério Alves Brandão, Emiliano Barreto, and Salete Smaniotto,  

Journal of Medicinal Plants Research
Hydroethanolic stem bark extract of Vernonia amygdalina Del. (Asteraceae) suppresses yeast-induced pyrexia and Plasmodium berghei malaria in murine models

June, 2020

Vernonia amygdalina has been widely utilized in Ghana and other West African states for numerous parasitic infections, diabetes and some inflammatory conditions. In this study we evaluated the antipyretic and antimalarial properties as well as in vitro antioxidant activities of an ethanolic stem bark extract of V. amygdalina (VAE). The antipyretic effect of VAE was assessed using Baker’s yeast-induced pyrexia and...

Author(s): Anna Kwarley Quartey, Yakubu Jibira, Arnold Forkuo-Donkor, Isaac Ayensu, Adwoa Agyakoma Oduro-Kwarteng, Sussana Emi-Reynolds Asuamah and Patience Noah  

Journal of Medicinal Plants Research
Antibacterial, cytotoxic, and schistosomicidal activities of the methanolic extract from Cassia grandis L.f. (Fabaceae) stem bark and its fractions

June, 2020

Cassia grandis L. (Fabaceae), a native tree from Amazon Forest, has been used in folk medicine against worms and intestinal parasites, and to treat stomach and respiratory problems, blood diseases, among others uses. This study aimed to evaluate the antioxidant, cytotoxic, antimicrobial, and schistosomicidal activities of the methanolic extract from C. grandis stem bark (CgME) and to elucidate the chemical profile of...

Author(s): Luciméri Paulino Machado Magalhães, Bárbara Azevedo Ramos, Márcia Vanusa da Silva, Maria Tereza dos Santos Correia, Kêsia Xisto Fonseca Ribeiro de Sena, Túlio Diego da Silva, André de Lima Aires, Mônica Camelo Pessôa de Azevedo Albuquerque, Gardênia Carmen Gadelha Militão, Teresinha Gonçalves da Silva, Renata Mendonça Araújo, Julianna Ferreira Cavalcanti de Albuquerque and Rafael Matos Ximenes  

Journal of Medicinal Plants Research
Biological properties and therapeutic applications of cannabidiol

June, 2020

Cannabis sp. has important pharmacological activities, so it has been the focus of attention of the scientific community. Through the search for new drugs, it was found that cannabinoids present in the plant can modulate transient potential receptors (TPR). Cannabidiol (CBD), also known as “medical marijuana”, represents the second most abundant phytocannabinoid of the Cannabis plant and it is widely used in...

Author(s): Elanne Costa Glória, Adriana Idalina Torcato de Oliveira, Juliana Fonseca Moreira da Silva and Raphael Sanzio Pimenta,  

Journal of Medicinal Plants Research
Chemical composition and biological potentials of Lebanese Cupressus sempervirens L. leaves’ extracts

June, 2020

The essential oils and defatted ethanolic extracts isolated from Cupressus sempervirens L. leaves collected from two geographically distinct regions in Lebanon; Beit El-Dein (mountain) and Jbeil (sea-side) were analysed for their chemical composition by GC/MS and qualitative phytochemical screening, respectively. These were then tested for their in-vitro antioxidant and antibacterial activities. Fourteen and eighteen...

Author(s): Layal Anka, Hassan Rammal, Ahmad Kobeissi and Hamid Bou Saab  

International Journal of Livestock Production
Comparative effects of Moringa oleifera powder and soybean meal on the zootechnical parameters of the ISA Brown pullet

April-June 2020

Poultry farming is an important sector of the Beninese agriculture. But this sector is facing economic difficulties. The aim of this study is to evaluate the effects of Moringa oleifera powder and soybean meal on zootechnical parameters in the ISA Brown pullet. For this purpose, the experiment was carried out on a total of 250 day-old chicks with an initial average weight of 40 ± 1 g. Among these chicks, 25...

Author(s): Jacques S. Adouko, Bienvenu O. M. Koutonin, Kévin S. Kassa, Arnaud S. S. Soha, Fréjus O. H. Ohouko and Jacques T. Dougnon  

International Journal of Livestock Production
Effect of nutritional flushing on reproductive and body weight performance of Abergelle goat does

April-June 2020

This study was aimed to evaluate the effect of flushing on the reproductive and body weight change on Abergelle breed does. The study indicated that a mix of 300 or 450 g wheat bran (WB) with 50 g noug seed cake (NSC) flushed per day improved the does’ conception rate (70 to 80%) and kidding rate (70%); while does flushed with low concentrate level (150 g WB plus 50 g NSC) or those not flushed had poor and reduced...

Author(s): Minister Birhanie, Mulalem Zenebe and Hailai Hagos  

International Journal of Livestock Production
The last of us? An online survey among German farm veterinarians about the future of veterinary training, livestock farming and the profession in general

April-June 2020

This online survey investigated how German farm veterinarians perceive the future of their profession. According to the participants, the following topics should play a greater role in veterinary training: Economics, herd health management, practical education, agricultural knowledge and animal welfare issues. The top answer indicates that knowledge about entrepreneurship is seen as a crucial competence of...

Author(s): Christian Dürnberger  

African Journal of Agricultural Research
Production of liquid fertilizer by fermented livestock liquid and application on crops

June, 2020

The livestock liquid commonly contains humic acid, amino acids and minerals; hence, it can be used for the fertilization of crops. These studies were conducted to examine the use of livestock fermented liquid in producing liquid fertilizers and irrigation application on two kinds of crops (tomato and wax apple). The experiments were designed as common liquid fertilizer and diluted by groundwater (CF), fermented...

Author(s): Yong-Hong Lin, Yi-Lang Wei, Juei-Yu Chiu, Tai-Yuan Chen and Chih-Hang Chang  

African Journal of Agricultural Research
Effects of combined salt and flooding stresses on the growth and physiological behavior of alfalfa (Medicago sativa L.)

June, 2020

The present work focused on evaluation of the physiological and metabolic behavior of alfalfa (Medicago sativa L., var. Siriver), when faced with two important ecosystems constraints, namely salinity and flooding-associated hypoxia. After germination, seedlings in symbiosis with Sinorhizobium meliloti were grown on different salt concentrations (0, 20 and 50 mM NaCl). At four weeks post-germination, plants were...

Author(s): Hajer Sghaier, Achref Aloui, Ayda Khadri, Samira Aschi-Smiti and Renaud Brouquisse  

African Journal of Agricultural Research
Promotion of rice growth and productivity as a result of seed inoculation with Azospirillum brasilense

June, 2020

The present study refers to the results obtained in four experiments carried out in the 2015/2016 crop: Toledo/PR; Palotina/PR; Cascavel/PR; and São Miguel do Iguaçu/PR. The objective of the present study was to evaluate the agronomic efficiency of Azospirillum brasilense (pest strains Ab-V5 and Ab-V6) in four distinct rice culture regions (Oryza sativa L.). The tests were performed to meet the...

Author(s): Vandeir Francisco Guimarães, Jeferson Klein, Marcos Barbosa Ferreira and Débora Kestring Klein  

African Journal of Agricultural Research
Severity and prevalence of the destructive fall armyworm on maize in Uganda: A case of Bulambuli District

June, 2020

Maize kernel contains a large quantity of carbohydrates, proteins, vitamins, oils, fats and competes favorably with root and tuber crops as a rich energy source. In Uganda, the per capita consumption ranges from 28 to 125 kg per annum. However, the yields remain low, fluctuating around 1.5 tons per hectare. Although some losses to maize production occur through the post-harvest period, pre-harvest factors such as biotic...

Author(s): Buteme Sharon, Masanza Michael and Masika Fred Bwayo  

African Journal of Agricultural Research
Potential of reduced agricultural lime application rates to increase yield and profitability of maize through microdosing in central Malawi - A short note

June, 2020

Maize (Zea mays L.) is a staple food crop in Malawi, with average yields of 1.8 -2.2 t ha-1 compared to potential yields of 5 to 10 t ha-1. In some areas, soil acidity is a serious constraint in crop production. The current recommendation is to apply 2.0 t ha-1 of lime as pre-plant broadcast and incorporated into soils with pHW < 5.5. A pilot study was conducted during 2015/2016 season at Bunda Campus (14° 35...

Author(s): Martin Lolani and Vernon H. Kabambe  

African Journal of Agricultural Research
Role of leaf rolling on agronomic performances of durum wheat subjected to water stress

June, 2020

In arid and semi-arid climates characterized by low rainfall with a great annual and inter-annual irregularity, drought can occur at any time inducing large losses in crop yield. Leaf rolling is one of the adaptive morphological responses to the water deficit observed in a number of species including cereals. It reduces the leaf area exposed to sunlight and transpiration. The aim of the present work was to characterize...

Author(s): Amal Ben-Amar, Anne-Aliénor Véry, Hervé Sentenac, Abdelaziz Bouizgaren, Said Mahboub, Nasser Elhaq Nsarellah and Keltoum El Bouhmadi  

African Journal of Agricultural Research
Fertilizer-nitrogen use optimization for Tef in South Wollo Zone of Ethiopia

June, 2020

Tef [Eragrotis tef] is a major staple cereal crop in Ethiopia but yields are low due to inadequate nutrient supply and other constraints. A field study was conducted in 2014 and 2015 in Jamma district of South Wollo Zone of Amhara Region to determine the economic optimum rate of fertilizer-N for tef. Fertilizer-N rates of 0, 23, 46, 69, 92, 115 and 138 kg ha-1 were evaluated. The randomized complete block design with...

Author(s): Abebe Getu Asfaw, Samuel Adissie Gedamu, Habtemariam Teshome Abushe, Tilahun Taye Mekonen, Seid Belay Muhamed and Tadesse Hailu Shibeshi  

Journal of Plant Breeding and Crop Science
Selection of drought tolerant genotypes in groundnut (Arachis hypogaea L.) using indices

April-June 2020

A study was carried out to evaluate the effect of drought stress on pod yield and other traits of groundnut genotypes to select the ten best performing genotypes using indices. Ninety six genotypes including 90 F2:3 progenies, 4 parents and 2 checks were planted under well-watered (WW) and water-stressed (WS) conditions at the International Crops Research Institute for the Semi-Arid Tropics ICRISAT, Mali. Six selection...

Author(s): Ousmane Sanogo, Pangirayi B. Tongoona, Kwadwo Ofori and Haile Desmae  

Journal of Soil Science and Environmental Management
Validation of blended NPSB fertilizer rates on yield, yield components of Teff [Eragrostis tef (Zuccagni) Trotter] at vertisols of Hatsebo, Central Tigray, Ethiopia

April-June 2020

Application of unbalanced nutrition was the main yield limiting factor in the study area. Hence, an experiment was conducted during the 2017 cropping season on farmers’ fields to validate and determine optimum blended fertilizer rate for teff production. Eight levels of NPSB (0, 25, 50, 100, 150, 200, 250 and 300 kg ha-1) and recommended NP (100 kg ha-1 urea and 100 kg ha-1TSP) were used as treatments and set in...

Author(s): Tewolde Berhe, Gebreyohannes Girmay and Abrha Kidanemariam  

Scientific Research and Essays
Impact of some heavy metals on bacterial utilization of kerosene in liquid medium

April-June, 2020

Potential petroleum degrading bacteria, Pseudomonas aerogenosa and Micrococcus sp. was isolated from petroleum contaminated soil in petroleum microbiology laboratory, Department of Microbiology University of Nigeria, Nsukka. Hydrocarbon utilization in liquid media was assessed through time – course optical density measurement. Concentrations of the heavy metals ranging from 50 to 200 mg/L were introduced into 100...

Author(s): Okobo Uchenna Jude, Chibuzor Nwadibe Eze and Akpi Uchenna Kalu  

International Journal of Livestock Production
The performance of artificial insemination delivery system in Amhara, Oromia, SNNP and Tigray Regions of Ethiopia

April-June 2020

The study was conducted in Amhara, Oromia, Southern Nations Nationalities and Peoples and Tigray regions of the country to provide information on the performance of Artificial Insemination (AI) service delivery system, its seasonality and effectiveness. Semi-structured questionnaire was prepared to interview AI technicians (on their performance and related issues) and farmers (about the outcome of AI services). Data on...

Author(s): Kassahun Melesse, Ashenafi Mengistu and Driba Geleti  

African Journal of Microbiology Research
GC-MS analysis of bioactive compounds and evaluation of antimicrobial activity of the extracts of Daedalea elegans: A Nigerian mushroom

June 2020

Phytochemicals are naturally occurring compounds present in varying levels in plants and help significantly in protecting them against pathogens. The chemical composition of acetone and ethanolic extracts of Daedalea elegans were determined using Gas Chromatography-Mass Spectrometry. Twenty-eight and fourty-four compounds were identified in the acetone and ethanolic extracts respectively. Only four compounds were found...

Author(s): Grace Oluwatoyin Mensah-Agyei, Kolawole IfeOluwa Ayeni and Cajethan Onyebuchi Ezeamagu  

Journal of Public Health and Epidemiology
Risky sexual behaviors and substance use among youths in post-conflict Liberia

April - June 2020

Sexually transmitted infections pose a public health crisis globally and in low and middle-income countries, and substance use has been linked to an increased risk of engaging in risky sexual behaviors among youths. This work aims to explore the relationship between substance use and risky sexual behaviors among school-based youths in Liberia. An 86-question survey was developed to collect information about substance...

Author(s): Temitope Ogundare, Senait Ghebrehiwet, Benjamin L. Harris, Babawale Ojediran, Alison M. Duncan, Haniya S. Syeda, David C. Henderson,  and Christina P. C. Borba,  

African Journal of Microbiology Research
Diversity of arbuscular mycorrhizal fungi (AMF) associated with cotton (Gossypium hirsutum L.) growing in the Far-North region of Cameroon

June 2020

The present study was carried out with the aim of highlighting the diversity of arbuscular mycorrhizal fungi (AMF) associated with the rhizosphere of cotton grown in the Far-North region of Cameroon. To achieve this, composite soil and root samples were taken in six fields, chosen according to edapho-climatic conditions and types of cultural practices. After entrapping the glomales in the greenhouse, the roots of the...

Author(s): Ismael Haman Ramza, Honore Issa Koulagna, Abaka Abba Said, Philippe Kosma and Clautilde Megueni  

Journal of Public Health and Epidemiology
Knowledge and awareness of pregnant women on HIV and AIDS in Butwal, Nepal

April - June 2020

This study examined knowledge and awareness regarding HIV and AIDS among pregnant women in Butwal, Nepal. Pregnant women were selected using a systematic random sampling method from the antenatal care registry at every 5th and 10th interval. Although 80% of women mentioned unprotected sexual contact as the major route of HIV transmission, only 36.7% women knew that HIV can be transmitted from the infected mothers to...

Author(s): Rudra Dahal, Khimananda Bhandari and Kamala Adhikari  

Journal of Public Health and Epidemiology
Association of glycaemia control, age and duration of morbidity with the quality of life in patients of type 2 diabetes mellitus attending the tertiary care hospital in field practice area of Ottapalam Palakad

April - June 2020

Diabetes is a chronic progressive endocrine disease characterized by elevation of blood glucose level. This disease is associated with decreased life expectancy; increased morbidity and diminished quality of life. The objective of the study is to assess the correlation of glycaemic control, age and duration of disease with quality of life in patients with type 2 diabetes mellitus.  The present cross-sectional study...

Author(s): Arjit Kumar and Singh Amit Kumar  

Journal of Veterinary Medicine and Animal Health
Efficacy of Newcastle disease vaccines and vaccination protocols commonly used in Mali, West Africa

April-June 2020

Newcastle disease, caused by Avian paramyxovirus -1 (APMV-1), is a devastating disease of poultry that is endemic in many countries worldwide. Several commercial vaccines and protocols are available against the disease and in most cases, they provide good clinical protection. However, despite vaccination, cases of Newcastle disease are often seen in some countries, including Mali in West Africa. Although there is only...

Author(s): Marthin Dakouo, Patricia Gil, Mamadou Fofana, Mamadou Niang, Moussa Kongossia Coulibaly, Kassim Samaké, Abdallah Traoré, Boubacar O. Diallo, Emmanuel Albina, Flabou Bougoudougou, and Renata Servan de Almeida,  

Journal of Veterinary Medicine and Animal Health
Clinicians’ perception and assessment of risk factors for surgical site infections in small animal practice in South-West, Nigeria

April-June 2020

This study evaluated the prevalence of Surgical Site Infections (SSIs), the enhancing risk factors in small animal hospitals and clinics, and clinicians’ perception of SSIs in South-west, Nigeria. Ten years (2007-2017) surgical patients’ case records from four government veterinary hospitals were initially studied. Fifty-seven copies of structured pre-tested questionnaires were further administered to...

Author(s): Eyarefe O. D. and Adeyemi I. M.  

African Journal of Agricultural Research
Perception and uptake of aquaculture technologies in Kogi state, central Nigeria: imperative for Improved Management practices for sustainable aquaculture development

June, 2020

The drivers of perception and adoption of aquaculture innovations were studied. Data obtained from 300 aquaculture operators, were analyzed using Heckman Probit sample selection model. Results revealed that perception and adoption of aquaculture innovations were high. Education (a=0.281), extension contact (a=0.149), experience (a=0.021), gender (a=0.440) and information source (a=0.145) increased the likelihood of...

Author(s): Unekwu Onuche, Mojisola Abosede Oladipo, Tina Enize and Ogala Daikwo  

African Journal of Agricultural Research
Effects of pre-rice cassava/legume intercrops and weed management practices on weed dynamics and yield of low land rice in Badeggi, Nigeria

June, 2020

The effects of cassava/legume intercrop-rice relay and weed management practices on weed infestation, growth and yield of rice were investigated at Badeggi, Southern Guinea Savanna of Nigeria in 2011 to 2013 cropping seasons. The treatments consisted of factorial combination of cassava (IIT 427) intercrop with: Mucuna or Velvet bean [Mucuna pruriens (L.) DC.], Cowpea [Vigna unguiculata (L.) Walp.], Soybean [Glycine max...

Author(s): A. U. Gbanguba, E. Daniya, M. G. M. Kolo, P. A. Ibrahim, U. Ismaila and A. Umar  

African Journal of Agricultural Research
Analysing chicken meat production comparative advantage of South Africa

June, 2020

The study examined the relative efficiency of producing chicken meat in South Africa, in 2017, and its comparative advantage in chicken meat production in Southern African Development Community (SADC). The study used the Policy Analysis Matrix (PAM) to calculate the net financial and economic profitability, Nominal Protection Coefficient of output (NPCO), Nominal Protection Coefficient of input (NPCI), Effective...

Author(s): K. V. Pilusa, A. Belete and V. A. Baloi  

African Journal of Biotechnology
Responses of soybeans (Glycine max (L.) Merrill) associated with variable plant density stress applied at different phenological stages: Plasticity or elasticity?

June 2020

The study evaluated developmental responses associated with plant population density stress applied at different phenological phases and effects on grain yield in determinate and indeterminate soybean (Glycine max L.). A split-split plot design with four replications, with variety (main plot), plant density (sub plot) and thinning time (sub-subplot) was adopted. Two determinate genotypes (Lukanga and SC Semeki) and an...

Author(s): Noah Manda and Mebelo Mataa  

African Journal of Microbiology Research
Phenotypic detection of extended spectrum β-lactamase and Metallo β-lactamase production by Gram negative uropathogens after exposure to gamma radiation

June 2020

Eighty-five uropathogen isolates were collected and differentiated on the basis of their Gram stain reaction. Among the collected isolates, 25 (29.4%) were Gram positive cocci and 60 (70.6%) were Gram negative bacilli. Antibiotic susceptibility profile towards 15 different antibiotics concluded that impenime (IMP), amikacin (AK) and Pipperacillin/tazobactam (TZP) were the most effective against Gram negative; while...

Author(s): Yehia Ahmed El-Zawahry, Lotfy Abd-El-Rehem Mousa, Eman Araby and Salma Abd El Monsef-Elnahass  

African Journal of Pharmacy and Pharmacology
Phytochemical screening and toxicological effects of Amblygonocarpus andongensis aqueous stem bark extract in wistar albino rat

June, 2020

Amblygonocarpus andongenesis is being used as antipsychotic. Hence, it may portend high risk of toxicosis. In view of this, phytochemical screening and toxicological effects of aqueous stem bark extract of the plant was studied in wistar albino rats. Qualitative screening of the stem bark extract revealed the presence of alkaloid, hydrolysable tannin, saponin, glycoside, cardiac glycoside, saponin glycoside and...

Author(s): Abdullahi Aliyu Ebbo, Abdullahi Teleh Elsa, Emmanuel Udok Etuk, Muhammad Jengebe Ladan and Saganuwan Alhaji Saganuwan

International Journal of Physical Sciences
Determination and establishment of empirical relationship between magnetic susceptibility and mechanical properties of typical basement rocks in Southwestern Nigeria

April-June, 2020

Magnetic susceptibility and mechanical properties of rocks in a typical basement complex Southwestern Nigeria were correlated with the aim of establishing empirical equations relating the two parameters and evaluate the parameters as related to its competency in hosting civil structures. A total of thirty rock samples were taken across the geology of the area and subjected to mechanical properties determinations....

Author(s): Akintorinwa, O. James, Ajayi, C. Ayodele and Oyedele, A. Akinola  

Scientific Research and Essays
Knowledge and understanding of energy efficiency in air-conditioning: Exploring perceptions from the manufacturing sector in Ghana

April-June, 2020

The study investigated Energy Efficiency (EE) measures and practices from the perspectives of Ghana's manufacturing sector. A mixed methods approach that applied both qualitative and quantitative methodologies guided the study. The quantitative approach was relevant to establish statistical inferences and the qualitative methods used to provide further in-depth understanding to statistic(s) provided by the...

Author(s): Jones Lewis Arthur and Josephine Fianu  

African Journal of Pharmacy and Pharmacology
Nutritional characterization pulp of Chrysobalanus icaco L.

June, 2020

After Southeast Asia, Brazil is the second largest producer of tropical fruits having more than 500 species, and many of these have high potential regarding nutritional content that can be marketed. Among them, Chrysobalanus icaco L., which can be found in abundance in several countries of South America stands out. Among its nutritional profile, it had low value of titratable acidity (0.41 ± 0.02%) and lipid...

Author(s): Selvin Antonio Saravia Maldonado, Ismael Montero Fernández, Luis Antonio Beltrán Alemán, Ricardo Santos Alemán and Jhunior Abrahan Marcia Fuentes  

African Journal of Plant Science
Seasonal variation and modeling of leaf area growth in Jatropha curcas L. plants: Implication for understanding the species adaptation in the Sahel of Niger

June 2020

Jatropha curcas is a tree species introduced in Niger as a trial experiment to offset land degradation and for biofuel production. The objective of this study is to contribute to the understanding of this species’ potential for adaptation under the edaphic and climatic conditions of Niger through analysis and modeling of the leaf area dynamics. The nondestructive method is used to evaluate the leaf area growth...

Author(s): Moussa Massaoudou, Tougiani Abasse, Habou Rabiou and Larwanou Mahamane  

Educational Research and Reviews
Notice of Retraction: Analysis of the educational bulletin presented to the teachers of the basic stage in the Jordanian Ministry of Education and the future model extracted

June 2020

The editors of the Educational Research and Reviews (ERR) are retracting the article, “Notice of Retraction: Analysis of the educational bulletin presented to the teachers of the basic stage in the Jordanian Ministry of Education and the future model extracted” published in 2019 (Vol. 14(16), pp. 559-571, October, 2019). 

Author(s): Mohammad Salman Al-Khaza’leh, Mohammad Issa Al-Hourani and Bilal Ayed Al-Khaza’leh

  • Article Number: 204BCB463880

African Journal of Biotechnology
Sub-acute and chronic toxicity of silver nanoparticles synthesized by Azadirachta indica extract

June 2020

In this study, biosynthesis of silver nanoparticles (AgNPs) and its toxicity were investigated. Different functional groups responsible for adsorption, morphology and absorption of the nanoparticle were characterized using UV-Vis, Fourier transmission infrared spectroscopy (FTIR), and scanning electron microscope (SEM) analyses, respectively. The toxicity of orally administered Azadirachta indica AgNPs was assessed in...

Author(s): Emma Nghilokwa, Judith Sokei, Peter Mwitari and Naomi Maina

African Journal of Biotechnology
Optimization of plant growth regulators for meristem initiation and subsequent multiplication of five virus tested elite sweet potato varieties from Ethiopia

June 2020

Vegetatively propagated crops are exposed to pests every growing season, providing them with the opportunity to feed on the plants and transmit diseases. Meristem culture is an important method to clean for viruses to restore high yields. Media optimizations with different concentrations and combinations of 6-benzylamino purine (BAP) and Naphthalene Acetic Acid (NAA) were tested for their effects on shoot initiation...

Author(s): Dereje H. Buko, and Trine A. K. Hvoslef-Eide  

Journal of Petroleum and Gas Engineering
Influence of wavelet phase rotation on post stack model based seismic inversion: A case study of X-field, Niger Delta, Nigeria

January-June 2020

The effect of wavelet phase rotation on post inversion in X-field Niger Delta has been investigated. This paper demonstrates the influence of wavelet phase employed in model based seismic inversion. It presents the problem associated with variation in wavelet phases employed in post-stack model based seismic inversion which affect the discrimination of litho-fluid contrast from inverted seismic volume. The study was...

Author(s): Aniefiok Sylvester Akpan, Daniel N. Obiora, Francisca N. Okeke, Johnson C. Ibuot and Nyakno J. George  

African Journal of Biotechnology
Selection for and biochemical characterization of DDT resistance in laboratory strains of Anopheles arabiensis

June 2020

Resistance to conventional insecticides still constitutes a major obstacle to control of malaria vectors. Xenobiotic pollutants encountered by aquatic stages of natural populations of malarial vector species in agricultural and domestic environment are often selected due to resistance to various insecticides. The Laboratory Matatuine (MAT) and Kayamba (KGB) strains of Anopheles arabiensis were subjected to controlled...

Author(s): Yayo A. M., Ado A., Safiyanu M. and Hemingway J.  

Journal of Cereals and Oilseeds
Effect of germination on structural and physicochemical properties of starch in glutinous brown rice

January-June 2020

This study compared the structural and rheological properties of native (GB0), 12 h (GB12), 24 h (GB24), 36 h (GB36), 48 h (GB48) and 72 h (GB72) germinated glutinous brown rice starch to improve the market value of glutinous rice through germination. The proportion of A chains (DP 6-12) increases and the proportion of B1 chains (DP 13-24) decreased with germination time. Interestingly, we observed that the total...

Author(s): Liyezi He, Chuan Cao, Jingwei Hu, Dongmei Wei, Li Xu, Tang Su and Yibin Zhou  

African Journal of Agricultural Research
Assessing landuse effect on soil properties in the Coastal plains sand, Imo State, Nigeria

June, 2020

Impacts of landuses [old home garden (HG), oilpalm plantation (OP), fallow arable field (FA), grass lawn (GL)] on physico-chemical properties of an ultisol on a flat in the Coastal plains sand of Imo State, Nigeria were evaluated. Landuse significantly (at 5%) influenced the properties sand, organic matter (OM) content, soil reaction (pH), exchangeable cations Ca, Mg, K, exchangeable acidity (Al+H), effective cation...

Author(s): Ukaegbu E. P. and Nnawuihe C. O.  

Journal of Plant Breeding and Crop Science
Genetic variation among white lupin (Lupinus albus L.) landraces from Northwestern and Southern Ethiopia for agronomic traits and nutrient contents of grain

April-June 2020

White lupin (Lupinus albus L.) is rich in quality protein, relatively tolerant to drought, soil salinity and acidity, increase the fertility of soils and can contribute to improved agricultural sustainability, food security and reduce malnutrition which has close associations with climate change. This study was conducted to assess genetic variability of white lupin genotypes for agronomic traits and nutrient contents of...

Author(s): Chaltu Beyene  

African Journal of Pharmacy and Pharmacology
Nutrients in Amazonian fruit pulps with functional and pharmacological interest

June, 2020

In this research, nine fruits cultivated in Northern Amazon were studied: Abiu, acerola, araçá, bacupari, biribá, camu-camu, fruta-do-conde, graviola and taperebá, with the objective of carrying out a proximate and nutritional study of the pulps of the Northern Amazon fruits. They were graviola (76.83 ± 0.02 Kcal 100 g-1), bacupari (53.15 ± 0.02 Kcal 100 g-1) and fruta-do-conde...

Author(s): Montero I. F., Saravia S. A. M., Santos R. A., dos Santos R. C., Marcía J. A. F. and da Costa H. N. R.  

African Journal of Pharmacy and Pharmacology
Prevalence and the level of evidences supporting off-label prescribing of antidepressant, antipsychotic and antiepileptic drugs in Makkah Almukarramah: A case sectional study

June, 2020

Off-label prescribing is very common among physicians, particularly among psychiatrists and there is limited information regarding the extent of the unapproved drug use in Makkah city. The objective of this study was to assess the prevalence of off-label indications for antidepressant, antipsychotic and antiepileptic and the strength of evidence supporting use of the prescribed drug for the respective indication. A case...

Author(s): Yosra Al-Hindi, Amal Al-sulami, Aseel Al-ghamdi, Nuha Al-Harbi, Huda Hamdi , Shooq Al-moqati, Yara Abualkair and Arwa Fairaq  

African Journal of Pharmacy and Pharmacology
Haematology, serum biochemistry and histopathological findings associated with sub-chronic administration of methanol leaf extract of Pterocarpus santalinoides DC in albino rats

June, 2020

The effects of sub-chronic administration of Pterocarpus santalinoides methanol leaf extract (PSME) on haematology, serum biochemistry and histology of albino rats were evaluated. Twenty female albino rats, randomly assigned into four groups (A-D) of five rats each, were used for the study. Groups A-C were treated orally with 500, 250 and 50 mg/kg PSME, respectively, while Group D was given distilled water as placebo at...

Author(s): Thelma Ebele Ihedioha, Isaac Uzoma Asuzu, Aruh Ottah Anaga and John Ikechukwu Ihedioha

Journal of Plant Breeding and Crop Science
Evaluation of improved pigeon pea (Cajanus cajan) varieties for organoleptic dal quality in India

April-June 2020

Pigeon pea (Cajanus cajan L.) is an important pulse crop in the Indian diet and one of the most important sources of dietary protein for the population.  Organoleptic qualities of pigeon pea dal were tested to draw conclusions on the preferred varieties. Organoleptic qualities such as taste, texture, aroma, tenderness, sweetness and overall acceptance were tested by a trained sensory panel. Available and...

Author(s): Fromm I., Bollinedi H., Dheer M., Goel P., Nehra P. , Raje R. S. , Singh G., Singh N. K., Jha S. K. and Singh A.  

Scientific Research and Essays
Mitigating the spread of COVID-19 in low-income countries

April-June, 2020

Coronavirus disease 2019 (COVID-19) has become an increasing concern to global health organizations, and may pose major challenges to health care systems in the low-income countries due to the absence of equipment, lack of funding, and insufficient training of healthcare workers. Thus, mitigation measures that involve social distances and personal hygiene may be prioritized. The main objective of this review was to...

Author(s): Omar Bashir Ahmed  

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