Browsing Research articles (Dept of Biological Sciences) by Title
Now showing items 1-20 of 78
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Advances in the use of biocontrol applications in preharvest and postharvest environments: a food safety milestone
(John Wiley & Sons, Inc., https://onlinelibrary.wiley.com/journal/17454565, 2022-04)Increasing concerns toward food safety and public health have rendered the use of synthetic chemicals in agricultural environments unacceptable. A shift toward biologically safe approaches has been considered a preferred ... -
Analysis of genetic diversity of Cercospora beticola isolates from Swiss chard in Southern Botswana
(Allied Journals, https://www.ijbio.com/, 2018)Cercospora Leaf Spot (CLS) of Swiss chard (Beta vulgaris L. var. cicla) remains an important foliar disease worldwide, yet the causative agent Cercospora beticola genetic variability remains incompletely understood in ... -
Antibacterial and antioxidant potential of Albizia anthelmintica as a medicinal plant on pathogenic veterinary isolates
(Academic Journals, https://academicjournals.org/, 2018-11-10)Albizia anthelmintica is a medicinal plant belonging to the Fabaceae family. It is widely used by smallholder farmers and pastoralists to treat internal parasites in their livestock. This study aimed to determine the ... -
Assessing the effectiveness of locally available fungicides in managing Cercospora leaf spot of Swiss chard under field conditions in Botswana
(Centre for Info Bio Technology, http://www.cibtech.org/, 2017)Cercospora leaf-spot (CLS), caused by Cercospora beticola, is an important foliar disease of Swiss chard in Botswana. The regularity of outbreaks of the disease in Botswana is a major cause of concern and thus, have ... -
Assessment of diversity in Harpagophytum with RAPD and ISSR markers provides evidence of introgression
(Mendelian Society of Lund, http://www.hereditasjournal.com/, 2014)The genus Harpagophytum has two species: H. procumbens which is an important medicinal plant in southern Africa, and H. zeyheri. Genetic diversity in 96 samples, obtained by germinating seeds collected from Botswana, was ... -
Assessment of heavy metal pollution/contamination in soils east and west of the Bamangwato Concessions Ltd (BCL) Cu/Ni mine smelter in Selebi-Phikwe, Botswana
(International Network for Natural Sciences (INNSPUB), http://www.innspub.net, 2015)The current study evaluated the concentration and levels of pollution by heavy metals in soils around BCL Cu/Ni mine in Selebi-Phikwe, Botswana. Soil samples were collected from four different locations namely 2.5 km east, ... -
An assessment of Prosopis L. in the Bokspits Area, South-Western Botswana, based on Morphology
(Global Science Books, http://www.globalsciencebooks.info/, 2011)The genus Prosopis comprises 44 species. Extensive introgression and hybridization is suspected in the genus, which makes identification of the species very difficult. Accurate identification of the species is crucial in ... -
Biogenic amine producing bacteria associated with three different commercially fermented beverages in Botswana
(Academic Journals, http://www.academicjournals.org/AJMR, 2013)The microbial quality and predominant bacterial groups of three fermented beverages was investigated. The bacteria associated with sorghum beer, sour milk (madila/amasi) and sour maize beverage (mageu/mahewu) were ... -
Biomass production and economic value of Phragmites australis Reedbeds in the Southern Okavango Delta, Botswana
(Global Science Books, http://www.globalsciencebooks.info/, 2011)Most work globally on Phragmites spp. has been done in temperate northern hemisphere localities, where winter low temperatures and short day lengths cause a seasonal decrease in growth. In this study, we report above-ground ... -
Biosurfactant production by halophilic yeasts isolated from extreme environments in Botswana
(Oxford University Press, https://academic.oup.com/femsle, 2021)Nine morphologically distinct halophilic yeasts were isolated from Makgadikgadi and Sua pans, as pristine and extreme environments in Botswana. Screening for biosurfactant production showed that Rhodotorula mucilaginosa ... -
Biosynthesis of silver nanoparticles with potent antimicrobial activity using lactic acid bacteria
(Society for Advance Healthcare Research, http://www.ejbps.com/, 2019-03)In this study, Lactic Acid Bacteria isolated from traditional fermented foods were screened for the synthesis of silver nanoparticles. Antimicrobial activity of the synthesized nanoparticles was assayed against several ... -
Carriage of micro-organisms by domestic cockroaches and implications on food safety
(ICIPE - African Insect Science for Food and Health, http://journals.cambridge.org/action/displayJournal?jid=JTI, 2006)Domestic cockroaches Blattella germanica were trapped from various homes in Gaborone, Botswana using ‘Dyroach’ traps. Isolations of bacteria, yeasts and moulds were done on external body parts and on the faecal pellets ... -
Cassia abbreviata extracts prevent the ensuing of pre-diabetes in albino rats subjected to sucrose load
(Applied Zoologists Research Association (AZRA), http://www.azra-india.com/, 2016)Two extracts; water extract (CAW) and methanol extract (CAM) from the bark of Cassia abbreviata were prepared. Oral glucose tolerance test was carried out with both the extracts in normal albino SD rats to measure their ... -
Damage caused, loss assessment and emergence pattern of Acanthoscelides obtectus (Say) on the beans, Phaseolus vulgaris L. in Gaborone
(Applied Zoologists Research Association (AZRA), http://www.azra-india.com/, 2016)The damage caused, loss assessment and emergence pattern of Acanthoscelides obtectus Say was studied under laboratory condition (temperature range 27.5-30.0 °C and relative humidity 62-74%), on the beans Phaseolus vulgaris ... -
Determination of allele frequencies in nine short tandem repeat loci of five human sub-populations in Botswana
(Academic Journals, www.academicjournals.org, 2008-04-17)Allele frequencies for nine short tandem repeat (STR) loci from the AmpFlSTR® Profiler Plus PCR Amplification Kit were determined in five subpopulations across Botswana and tested for suitability for use in individual ... -
Determination of antibiotic resistance and enterotoxigenic potential of Staphylococcus aureus strains isolated from foods sold by street vendors in Gaborone, Botswana
(Adhya Biosciences Pvt. Ltd., http://ijbio.com/index.php/ijb/index, 2017)Staphylococcus aureus is one of the causes of foodborne diseases worldwide. Staphylococcal food poisoning ensues after ingestion of contaminated food and results in symptoms of gastroenteritis such as vomiting, abdominal ... -
Development of Callosobruchus maculatus (F.) on some pulses in Botswana
(Applied Zoologists Research Association (AZRA), http://www.azra-india.com/journal.html, 2011)Some aspects of the biology of Callosobruchus maculatus (F.) were studied on seven pulses viz., Cowpea (5 varieties), Bambara groundnut, Mung bean, Pigeonpea, Lablab, Soya bean and Kidney bean, under ambient laboratory ... -
Development of Sitotroga cerealella (Olivier) on certain cereal grains in Botswana
(Applied Zoologists Research Association (AZRA), http://www.azra-india.com/journal.html, 2015)The development of Sitotroga cerealella (Olivier) was studied on maize (kalahari early pearl and yellow maize varieties), sorghum (segaolane and sephala varieties) and millet (serere 6A and legakwe varieties), under ambient ... -
Diversity, stand structure and regeneration status of woody species, and spatial cover of herbaceous species in Mokolodi Nature Reserve, Southeastern Botswana
(Academic Journals, http://www.academicjournals.org/, 2016)Diversity of woody and herbaceous species, stand structure and regeneration status of woody species, spatial cover of the herbaceous species as well as nutritional values of woody and herbaceous species were studied in ... -
Effect of different grain spawns and substrate sterilization methods on yield of oyster mushroom in Botswana
(Int.J.Bioassays, http://www.ijbio.com, 2013)The effect of three different grain spawns and two substrate sterilization methods on the spawn quality and yield of a hybrid of Pleurotus ostreatus x P. florida (Po x Pf) was studied on maize cobs supplemented with 20% ...