Publisher: African Journals Online   (Total: 263 journals)

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Showing 1 - 200 of 263 Journals sorted alphabetically
Abia State University Medical Students' Association J.     Full-text available via subscription   (Followers: 3)
Acta Structilia : J. for the Physical and Development Sciences     Open Access   (Followers: 3)
Acta Theologica     Open Access   (Followers: 12, SJR: 0.282, CiteScore: 0)
Africa Development     Open Access   (Followers: 34, SJR: 0.155, CiteScore: 0)
Africa Sanguine     Full-text available via subscription   (Followers: 1)
African Anthropologist     Open Access   (Followers: 16)
African Crop Science J.     Open Access   (Followers: 4)
African Health Sciences     Open Access   (Followers: 5, SJR: 0.446, CiteScore: 1)
African J. of Anaesthesia and Intensive Care     Full-text available via subscription   (Followers: 9)
African J. of Biomedical Research     Open Access   (Followers: 1, SJR: 0.145, CiteScore: 0)
African J. of Chemical Education     Open Access   (Followers: 5)
African J. of Clinical and Experimental Microbiology     Open Access   (Followers: 4, SJR: 0.192, CiteScore: 0)
African J. of Cross-Cultural Psychology and Sport Facilitation     Full-text available via subscription   (Followers: 6)
African J. of Drug and Alcohol Studies     Full-text available via subscription   (Followers: 6, SJR: 0.168, CiteScore: 0)
African J. of Economic Policy     Full-text available via subscription   (Followers: 3)
African J. of Educational Studies in Mathematics and Sciences     Full-text available via subscription   (Followers: 9)
African J. of Food, Agriculture, Nutrition and Development     Open Access   (Followers: 26, SJR: 0.115, CiteScore: 0)
African J. of Governance and Development     Full-text available via subscription   (Followers: 6)
African J. of Health Professions Education     Open Access   (Followers: 6)
African J. of Infectious Diseases     Full-text available via subscription   (SJR: 0.243, CiteScore: 0)
African J. of Livestock Extension     Full-text available via subscription   (Followers: 2)
African J. of Neurological Sciences     Open Access  
African J. of Physiotherapy and Rehabilitation Sciences     Open Access   (Followers: 10)
African J. of Reproductive Health     Open Access   (Followers: 8, SJR: 0.381, CiteScore: 1)
African J. of Rheumatology     Full-text available via subscription   (Followers: 1)
African J. of Social Work     Open Access   (Followers: 1)
African J. of Sustainable Development     Full-text available via subscription   (Followers: 9)
African J. of Traditional, Complementary and Alternative Medicines     Open Access   (Followers: 6)
African J. on Conflict Resolution     Open Access   (Followers: 27)
African Research Review     Open Access   (Followers: 9)
African Review of Economics and Finance     Open Access   (Followers: 9)
African Sociological Review : Revue Africaine de Sociologie     Open Access   (Followers: 3)
Afrika Statistika     Open Access   (Followers: 1)
Afrimedic J.     Open Access   (Followers: 3)
Afrique Science : Revue Intl.e des Sciences et Technologie     Open Access   (Followers: 2)
AFRREV IJAH : An Intl. J. of Arts and Humanities     Open Access   (Followers: 6)
AFRREV LALIGENS : An Intl. J. of Language, Literature and Gender Studies     Open Access   (Followers: 6)
AFRREV STECH : An Intl. J. of Science and Technology     Open Access   (Followers: 3)
Agro-Science     Full-text available via subscription   (Followers: 2)
Agronomie Africaine     Full-text available via subscription  
Agrosearch     Open Access   (Followers: 2)
Animal Research Intl.     Full-text available via subscription   (Followers: 8)
Annales des Sciences Agronomiques     Full-text available via subscription  
Annals of African Surgery     Open Access  
Annals of Biomedical Sciences     Full-text available via subscription   (Followers: 4)
Annals of Humanities and Development Studies     Open Access   (Followers: 7)
Annals of Ibadan Postgraduate Medicine     Open Access  
Annals of Modern Education     Full-text available via subscription   (Followers: 6)
Arab J. of Nephrology and Transplantation     Open Access   (Followers: 1)
Archives of Medical and Biomedical Research     Open Access   (Followers: 3)
ATBU J. of Environmental Technology     Open Access   (Followers: 5)
Bayero J. of Pure and Applied Sciences     Open Access   (Followers: 3)
Bio-Research     Full-text available via subscription   (Followers: 5)
Biokemistri     Open Access  
Botswana J. of Economics     Open Access   (Followers: 1)
Botswana J. of Technology     Full-text available via subscription   (Followers: 1)
Bulletin of Animal Health and Production in Africa     Full-text available via subscription   (Followers: 3)
Bulletin of the Chemical Society of Ethiopia     Open Access   (Followers: 1, SJR: 0.24, CiteScore: 1)
Cameroon J. of Experimental Biology     Open Access  
Central African J. of Medicine     Full-text available via subscription  
Communicate : J. of Library and Information Science     Full-text available via subscription   (Followers: 68)
Contemporary J. of African Studies     Full-text available via subscription   (Followers: 4)
Counsellor (The)     Full-text available via subscription   (Followers: 3)
Creative Artist : A J. of Theatre and Media Studies     Open Access   (Followers: 11)
Critical Studies in Teaching and Learning (CriSTaL)     Open Access   (Followers: 17)
Dar Es Salaam Medical Students' J.     Open Access  
East African J. of Public Health     Full-text available via subscription   (Followers: 4)
East African Medical J.     Full-text available via subscription   (Followers: 2, SJR: 0.122, CiteScore: 0)
East African Orthopaedic J.     Full-text available via subscription   (Followers: 1)
East and Central African J. of Pharmaceutical Sciences     Open Access   (Followers: 3)
East and Central African J. of Surgery     Open Access  
Eastern Africa Social Science Research Review     Full-text available via subscription   (Followers: 7)
Ebonyi Medical J.     Full-text available via subscription  
Egyptian J. of Biochemistry and Molecular Biology     Full-text available via subscription  
Egyptian J. of Biology     Open Access  
Egyptian J. of Natural History     Open Access   (Followers: 1)
Egyptian J. of Pediatric Allergy and Immunology     Open Access   (Followers: 2)
ESARBICA J. : J. of the Eastern and Southern Africa Regional Branch of the Intl. Council on Archives     Full-text available via subscription   (Followers: 6)
Ethiopian J. of Agricultural Sciences     Open Access  
Ethiopian J. of Biological Sciences     Open Access   (Followers: 4)
Ethiopian J. of Business and Economics     Full-text available via subscription   (Followers: 1)
Ethiopian J. of Economics     Full-text available via subscription   (Followers: 4)
Ethiopian J. of Education and Sciences     Open Access   (Followers: 6)
Ethiopian J. of Environmental Studies and Management     Open Access   (Followers: 4)
Ethiopian J. of Health Development     Open Access   (Followers: 7, SJR: 0.131, CiteScore: 0)
Ethiopian J. of Health Sciences     Open Access   (Followers: 8, SJR: 0.418, CiteScore: 1)
Ethiopian J. of Science and Technology     Open Access  
Ethiopian J. of the Social Sciences and Humanities     Full-text available via subscription   (Followers: 8, SJR: 0.101, CiteScore: 0)
Ethiopian Pharmaceutical J.     Full-text available via subscription   (Followers: 2)
Ethiopian Veterinary J.     Open Access   (Followers: 4)
Filosofia Theoretica : J. of African Philosophy, Culture and Religions     Open Access   (Followers: 1, SJR: 0.123, CiteScore: 0)
FUTY J. of the Environment     Full-text available via subscription   (Followers: 1)
Ghana J. of Agricultural Science     Full-text available via subscription   (Followers: 2)
Ghana J. of Development Studies     Full-text available via subscription   (Followers: 8)
Ghana J. of Forestry     Full-text available via subscription   (Followers: 3)
Ghana J. of Geography     Open Access   (Followers: 10)
Ghana J. of Linguistics     Open Access   (Followers: 1)
Ghana Library J.     Full-text available via subscription   (Followers: 15)
Ghana Medical J.     Open Access   (Followers: 1, SJR: 0.301, CiteScore: 1)
Ghana Mining J.     Full-text available via subscription   (Followers: 3)
Global Approaches to Extension Practice : A J. of Agricultural Extension     Full-text available via subscription   (Followers: 1)
Global J. of Agricultural Sciences     Full-text available via subscription  
Global J. of Educational Research     Full-text available via subscription   (Followers: 2)
Global J. of Engineering Research     Full-text available via subscription   (SJR: 0.109, CiteScore: 0)
Global J. of Environmental Sciences     Full-text available via subscription  
Global J. of Geological Sciences     Full-text available via subscription   (Followers: 1)
Global J. of Mathematical Sciences     Full-text available via subscription  
Global J. of Pure and Applied Sciences     Full-text available via subscription  
Global J. of Social Sciences     Full-text available via subscription   (Followers: 3)
Haramaya Law Review     Open Access   (Followers: 1)
Highland Medical Research J.     Full-text available via subscription  
Huria : J. of the Open University of Tanzania     Full-text available via subscription   (Followers: 2)
Ibadan J. of Humanistic Studies     Full-text available via subscription  
IMTU Medical J.     Full-text available via subscription  
Information Manager (The)     Open Access   (Followers: 30)
Information Technologist (The)     Full-text available via subscription   (Followers: 19)
Inkanyiso : J. of Humanities and Social Sciences     Open Access   (Followers: 1)
Internet J. of Medical Update     Open Access   (Followers: 1)
Intl. J. of Applied Agriculture and Apiculture Research     Open Access   (Followers: 3)
Intl. J. of Basic, Applied and Innovative Research     Open Access  
Intl. J. of Community Research     Open Access   (Followers: 2)
Intl. J. of Engineering, Science and Technology     Open Access  
Intl. J. of Health Research     Open Access   (Followers: 4, SJR: 0.101, CiteScore: 0)
Intl. J. of Herbs and Pharmacological Research     Open Access   (Followers: 1)
Intl. J. of Medicine and Biomedical Research     Open Access   (Followers: 1, SJR: 0.104, CiteScore: 0)
Intl. J. of Modern Anthropology     Open Access   (Followers: 2)
Intl. J. of Pedagogy, Policy and ICT in Education     Full-text available via subscription   (Followers: 3)
Italian Studies in Southern Africa : Studi d’Italianistica nell’Africa Australe     Full-text available via subscription   (Followers: 2)
J. de la Recherche Scientifique de l'Universite de Lome     Full-text available via subscription   (Followers: 2)
J. for the Study of Religion     Full-text available via subscription   (Followers: 23)
J. of Agricultural Extension     Open Access   (Followers: 2, SJR: 0.188, CiteScore: 0)
J. of Agricultural Research and Development     Full-text available via subscription  
J. of Agriculture and Food Sciences     Full-text available via subscription   (Followers: 2)
J. of Agriculture and Social Research (JASR)     Open Access   (Followers: 5)
J. of Agriculture, Forestry and the Social Sciences     Full-text available via subscription   (Followers: 5)
J. of Applied Biosciences     Open Access   (Followers: 2)
J. of Applied Science and Technology     Full-text available via subscription   (Followers: 1)
J. of Applied Sciences and Environmental Management     Open Access   (Followers: 3)
J. of Aquatic Sciences     Full-text available via subscription   (Followers: 3)
J. of Community Medicine and Primary Health Care     Open Access   (Followers: 5)
J. of Computer Science and Its Application     Full-text available via subscription   (Followers: 2)
J. of Development and Communication Studies     Open Access   (Followers: 5)
J. of Endocrinology, Metabolism and Diabetes of South Africa     Open Access   (Followers: 8, SJR: 0.174, CiteScore: 0)
J. of Environmental Extension     Full-text available via subscription  
J. of Family Ecology and Consumer Sciences :Tydskrif vir Gesinsekologie en Verbruikerswetenskappe     Open Access  
J. of Health and Visual Sciences     Full-text available via subscription   (Followers: 1)
J. of History and Diplomatic Studies     Full-text available via subscription   (Followers: 8)
J. of Language, Technology & Entrepreneurship in Africa     Open Access   (Followers: 2)
J. of Medical and Biomedical Sciences     Open Access   (Followers: 2, SJR: 0.162, CiteScore: 0)
J. of Medicine and Biomedical Research     Open Access   (Followers: 1)
J. of Meteorology and Climate Science     Full-text available via subscription   (Followers: 13)
J. of Pharmaceutical and Allied Sciences     Full-text available via subscription   (Followers: 1)
J. of Pharmacy & Bioresources     Full-text available via subscription   (Followers: 4, SJR: 0.405, CiteScore: 1)
J. of Religion and Human Relations     Open Access   (Followers: 3)
J. of Research in Forestry, Wildlife and Environment     Open Access   (Followers: 6)
J. of Research in National Development     Full-text available via subscription  
J. of Science and Sustainable Development     Full-text available via subscription  
J. of Science and Technology (Ghana)     Open Access   (Followers: 3)
J. of Social Development in Africa     Full-text available via subscription   (Followers: 8)
J. of the Ghana Science Association     Full-text available via subscription   (Followers: 3)
J. of the South African Society of Archivists     Full-text available via subscription   (Followers: 8)
J. of Tropical Microbiology and Biotechnology     Full-text available via subscription  
Jos J. of Medicine     Open Access  
KCA J. of Business Management     Open Access  
Kenya Veterinarian     Full-text available via subscription   (Followers: 2)
Kioo cha Lugha     Full-text available via subscription  
Lagos Historical Review     Full-text available via subscription  
Lagos Notes and Records     Full-text available via subscription  
Law, Democracy & Development     Open Access   (Followers: 6)
Legon J. of the Humanities     Full-text available via subscription  
Lwati : A J. of Contemporary Research     Full-text available via subscription   (Followers: 2)
Madagascar Conservation & Development     Open Access   (Followers: 3)
Makerere J. of Higher Education     Full-text available via subscription   (Followers: 2)
Malawi J. of Science and Technology     Open Access   (Followers: 6)
Marang : J. of Language and Literature     Full-text available via subscription  
Medical J. of Zambia     Open Access  
Mizan Law Review     Open Access   (Followers: 1)
Momona Ethiopian J. of Science     Open Access   (Followers: 4)
New Agenda : South African J. of Social and Economic Policy     Full-text available via subscription  
New Egyptian J. of Microbiology     Full-text available via subscription  
Nigeria Agricultural J.     Full-text available via subscription   (Followers: 2)
Nigerian Dental J.     Full-text available via subscription   (Followers: 2)
Nigerian Endocrine Practice     Full-text available via subscription  
Nigerian Food J.     Full-text available via subscription   (Followers: 2)
Nigerian Health J.     Open Access   (Followers: 1)
Nigerian Hospital Practice     Full-text available via subscription  
Nigerian J. of Animal Science     Full-text available via subscription   (Followers: 1)
Nigerian J. of Biotechnology     Open Access  
Nigerian J. of Chemical Research     Full-text available via subscription   (Followers: 2)
Nigerian J. of Clinical Medicine     Full-text available via subscription  
Nigerian J. of Family Practice     Full-text available via subscription   (Followers: 1)
Nigerian J. of Gastroenterology and Hepatology     Full-text available via subscription  
Nigerian J. of Guidance and Counselling     Full-text available via subscription   (Followers: 3)
Nigerian J. of Medicine     Full-text available via subscription  
Nigerian J. of Natural Products and Medicine     Full-text available via subscription  
Nigerian J. of Nutritional Sciences     Full-text available via subscription  
Nigerian J. of Paediatrics     Open Access   (Followers: 1)
Nigerian J. of Parasitology     Full-text available via subscription   (Followers: 1)
Nigerian J. of Physiological Sciences     Open Access   (SJR: 0.128, CiteScore: 0)
Nigerian J. of Psychiatry     Full-text available via subscription   (Followers: 3)

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Egyptian Journal of Biology
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1110-6859
Published by African Journals Online Homepage  [263 journals]
  • Dragonflies and damselflies of the St Katherine Protectorate

    • Authors: A Power, F Gilbert
      Abstract: The indigenous Bedouin tribes of South Sinai (Egypt) irrigate small gardens for agricultural purposes and this has been shown to boost the biodiversity of plants, birds and insects, including dragonflies (Odonata). The gardens offer water-related resources normally in short supply in arid regions. There is very little information available on the dragonflies and damselflies of the Sinai. We assess the importance of Bedouin gardens to Odonata by recording them in the gardens and in unmanaged habitat in the St Katherine Protectorate. The gardens are widely utilised by Odonata: ten species were recorded in total, all observed in the gardens at least once.
      PubDate: 2015-02-26
      Issue No: Vol. 16, No. 1 (2015)
       
  • Biocidal spectrum of a rice field cyanobacterium Nostoc
           sp.

    • Authors: P Jaiswal, R Prasanna, PK Singh, P Dureja
      Abstract: The antimicrobial efficacy of hexane, dichloromethane and ethyl acetate extracts of a rice-field cyanobacterium, Nostoc sp., were evaluated against cyanobacteria and phytopathogenic fungi. The maximum production of biocidal compounds was observed in cultures grown for 20 days under optimized conditions (phosphate =1.4 mg/l; light intensity ≈ 3000-4000 lux). Fractionation of the extracts showed six spots on silica-gel-coated plates. Hexane extract was the most potent biocide, showing marked (35-42%) reduction in the growth of fungi, but no negative influences on seed germination or seedling growth of wheat, rice and mung bean, emphasizing its suitability for use in agriculture.
      Keywords: Antifungal; extract; inhibition zone; metabolite; Pythium debaryanum; Rhizoctonia solani
      PubDate: 2014-12-03
      Issue No: Vol. 16, No. 1 (2014)
       
  • Effect of source and methods of zinc application on corn productivity,
           nitrogen and zinc concentrations and uptake by high quality protein corn
           (Zea mays)

    • Authors: Y Singh Shivay, R Prasad
      Abstract: Results of a field study conducted at the Indian Agricultural Research Institute, New Delhi, India showed that the combined application of soil + foliar (in two sprays at tasseling and initiation of flowering) produced significantly more grain and stover yields than either soil or foliar applications alone. Application of Zn-coated urea was better than soil application of Zn sulphate with regard to grain and stover yields. The combined application also recorded the highest Zn concentration in corn grain as well as in stover, with the treatments falling in the following order: combined ˃ foliar ˃ soil through Zn-coated urea ˃ soil. This is an important finding for the agronomic biofortification of Zn in corn.Keywords: Crude protein; foliar application of zinc, zinc biofortification, zinc-coated urea, zinc sulphate
      PubDate: 2014-08-19
      Issue No: Vol. 16, No. 1 (2014)
       
  • Effect of insecticides on foraging behaviour and pollination role of Apis
           mellifera L. (Hymenoptera: Apidae) on toria (Brassica campestris var.
           toria) crop

    • Authors: D Sharma, DP Abrol
      Abstract: The effects of insecticide application on foraging and pollination by honeybees in toria (Brassica campestris var. toria) cultivar RSPT-1 were studied at Jammu (India).Under field conditions the application of betacylfluthrin, betacyfluthrin + imidacloprid and carbaryl resulted in 100% bee mortality within one hour of spraying. After 48 hours, 100% mortality was recorded in all the treatments except malathion (94%). The post-spraying effects of the insecticides were much higher during the first hour after treatment, but after 48 hr there was 100% mortality in all treatments except imidacloprid (43%). Residual effects after spraying were high for flowers sprayed with imidacloprid (76% mortality), demeton-o-methyl, carbaryl, and ethiprole, moderate for betacyfluthrin (49%), betacyfluthrin + imidacloprid, and profenophos, and low for malathion (12%). The residual effect decreases with time and after 96 hours of spraying, the residual effect was reduced in almost all the insecticides. The number of foraging bees were greatly reduced in all treatments 24 hr after spraying, compared to levels before spraying, recovering considerably after 3 days, and normal after 7 days. Open pollination resulted in 1.80 times more yield compared to caged condition and crop pollinated by bees alone. This study suggests that both protective application of insecticides and use of honeybees for pollination are essential for maximum crop yields.
      PubDate: 2014-08-19
      Issue No: Vol. 16, No. 1 (2014)
       
  • Total lipid accumulation and fatty acid profiles of microalga Spirulina
           under different nitrogen and phosphorus concentrations

    • Authors: RN Bhakar, B Brahmdutt, S Pabbi
      Abstract: Nutrient limitation in terms of nitrogen and phosphorus increased lipid accumulation under depleted growth in Spirulina strains. Nitrogen limitation was found more effective than phosphorus in accumulating lipid. The fatty acid profile was variable: palmitic (48%), linolenic (21%) and linoleic acids (15%) were the most prevalent types. It was interesting that nitrogen limitation was more effective in increasing total lipid content, whereas phosphorus limitation had more effect on the fatty acid profile. Fatty acid ratios were different under the two conditions of nutrient limitation, with γ -linolenic acid being accumulated in higher quantities under nitrogen than phosphorus limitation.
      PubDate: 2014-08-06
      Issue No: Vol. 16, No. 1 (2014)
       
  • Gastro-intestinal helminths of pigeons (Columba livia) in Gujarat, India

    • Authors: HR Parsani, RR Momin, A Lateef, NM Shah
      Abstract: A study was conducted to assess the prevalence of helmith parasites of domestic wild and zoo pigeons in Gujarat, India by faecal sampling and postmortem examination. Qualitative examination of 78 faecal samples revealed 71 (91%) with parasitic infections of nematodes (85%), cestodes (31%) and Eimeria sp (77%). There were 200-1600 nematode eggs per gram during the monsoon season, which was high compared to the 200-1000 eggs per gram in winter and summer. In post-mortems 85% had parasitic infections, of nematodes (75%), cestodes (69%) and Eimeria sp (58%). Two species of nematodes (Ascaridia columbae and Capillaria obsignata) and five species of three genera of cestodes (Raillietina echinobothridia, R. tetragona, R. cesticillus, Cotugnia digonophora and Hymenolepis sp) were identified. Despite their parasitic infections, not a single pigeon revealed any alarming clinical signs.
      PubDate: 2014-08-06
      Issue No: Vol. 16, No. 1 (2014)
       
  • Host preferences of aphidophagous hoverflies from field distribution of
           their larvae

    • Authors: H Sadeghi, G Rotheray, P Laska, F Gilbert
      Abstract: The patterns of occurrences among aphid colonies of the larvae of two species of highly polyphagous predatory hoverflies, Episyrphus balteatus (de Geer) and Syrphus ribesii (L.) (Diptera: Syrphidae), were assessed in three areas (Nottingham, Cardiff (UK) and the Czech Republic); in the last two sites, larvae of other syrphid species were also identified. The two syrphid species showed considerable diet overlap, their larvae using many of the same aphids as food, but with significant exceptions. Together with information from the literature, even for these very generalist species there was a consistent pattern of preference among aphid species. Most other species showed restricted preferences. Larvae were more frequent on developed aphid colonies than on colonies that were younger or had almost disappeared.Keywords: food specificity; niche breadth; predatory insects; aphids; Syrphidae.
      PubDate: 2014-07-31
      Issue No: Vol. 16, No. 1 (2014)
       
  • Alterations of blood indices associated with low-dose administration of
           methomyl insecticide for short times to albino rats

    • Authors: I I Abdel Aziz, B M Zabut
      Abstract: The study aimed to investigate haematological and biochemical alterations associated with short-term intraperitoneal sublethal (1/10 LD50, 2 mg/kg body weight) methomyl administration to male albino rats over two and five days, and also the effects of a two-week recovery period. Methomyl administration over five but not two days decreased mean corpuscular hemoglobin and mean corpuscular hemoglobin concentration. A number of blood biochemical parameters increased (serum glucose, cholesterol, triglycerides, urea, uric acid, creatinine) or decreased (globulin); a recovery period returned many entirely or nearly to control levels. Enzyme activities (ALP, ALT, AST) and bilirubin levels increased following methomyl treatment, but again returned to control levels following a recovery period. We conclude that short low doses of methomyl can harm the blood, kidney and liver of rats.Keywords: methomyl insecticide; hematology and biochemical alternations; male rats.
      PubDate: 2014-07-31
      Issue No: Vol. 16, No. 1 (2014)
       
  • Geometric morphometric analysis of the molars in three species of the
           genus Mus (Mus) (Rodentia, Muridae) based on the outline method

    • Authors: M Shabani, F Ghassemzadeh, J Darvish
      Abstract: The relatively new technique of outline-based geometric morphometrics was applied in a study of the variation in the shape of the upper and lower molars among 122 mice, belonging to one species from Iran (Mus musculus) and two species from Europe (Mus macedonicus, Mus spicilegus). Differentiation of specimens based on molar shape was highly dependent on the details of the shape information. Among molars, the second upper and first lower molars are better at separating the species. This method provides a useful way to distinguish species based on the outline of their molars.Keywords: shape variation; upper and lower molars; mice; Iran; Europe.
      PubDate: 2014-07-31
      Issue No: Vol. 16, No. 1 (2014)
       
  • Trichoderma-mediated enhancement of nutrient uptake and reduction in
           incidence of Rhizoctonia solani in tomato

    • Authors: S P Singh, H B Singh, D K Singh, A Rakshit
      Abstract: Trichoderma harzianum is a naturally occurring filamentous fungus which solubilizes mineral nutrients and inorganic fertilizers, increasing availability and uptake of nutrients to the plant. Rhizoctonia solani is a major problem for seedlings, causing damping-off and in mature plants causing foot and root rot in the tomato crop, reducing nutrient uptake. The aim of this study is to evaluate the effect of Trichoderma harzianum (BHU-51), Trichoderma harzianum (BHU-105) and their consortium Trichoderma harzianum (BHU-51+BHU-105) on management of R. solani and nutrient levels in the plants.
      The application of Trichoderma as a seed treatment significantly decreased the incidence of damping-off and increased the vigour index of the plants. The maximum reduction in disease incidence was recorded for the consortium (BHU-51+BHU-105) treatments. The mineral content in treated plants was also higher than untreated pathogen-inoculated controls. Field trials also showed that the consortium produced better results in terms of shoot length, chlorophyll content and yield than the control.
      The application of Trichoderma in consortium form increased mineral nutrient uptake, reduced disease incidence and obtained a greater yield with reduced chemical pesticide loads, benefitting farmers and consumers.Keywords: Trichoderma; Rhizoctonia solani; nutrient uptake; damping-off; disease management.
      PubDate: 2014-07-31
      Issue No: Vol. 16, No. 1 (2014)
       
  • Socio-economic determinants of the quality of Irvingia gabonensis
           harvested by rural dwellers in Sagbama Local Government Area of Bayelsa
           State, Nigeria

    • Authors: H C Unaeze, H N Henry-Unaeze
      Abstract: The study was carried out to assess the socio-economic determinants of the quantity of Irvingia gabonensis (ogbono) harvested by rural dwellers in Sagbama Local Government Areas of Bayelsa State. A total of sixty respondents were randomly selected from twelve rural communities of the study area. Data were collected using a structured questionnaire and personal interview. Descriptive statistics, multiple regression analysis and a willingness-to-accept compensation model were used in the assessment. The majority of the respondents were female (63%). Household size was a significant predictor in determining the quantity of Irvingia gabonensis harvested from the forest. Injuries from knife cuts while opening or picking the fruits, and attacks by wild animals, were the major problems encountered by harvesters. Policies should allow some access to sustainable harvested non-timber forest products, and harvesters should recognize the importance of controls on the levels of harvesting.Keywords: Non-timber forest product; household size; harvesting constraints; over-exploitation
      PubDate: 2014-07-31
      Issue No: Vol. 16, No. 1 (2014)
       
  • Effect of plant-growth-promoting rhizobacteria inoculation on plant
           growth, productivity and economics of Basmati rice

    • Authors: R K Meena, Y V Singh, A Lata, A Kumar, R S Bana
      Abstract: A field experiment was conducted in a wet season (Kharif) to study the effects of plant growth-promoting rhizobacteria(PGPR) inoculation on agronomic traits and productivity of Basmati rice (cv. ‘Pusa Basmati 1401’) in a randomized block with twelve treatments. We evaluated one bacterial (Providencia sp. PW5) and one cyanobacterial strain (Anabaena sp. CR3), and also a Multani mitti (Fuller’s earth)-based blue-green algal biofertilizer (a composite culture of Anabaena, Nostoc, Tolypothrix and Aulosira sp.). Plant growth, yield attributes, yield and net return of rice were significantly improved due to the rhizobacterial inoculation. The highest responses were recorded from combined inocula of bacteria and cyanobacteria together with compost.Keywords: Bacterial inoculants; BGA; cyanobacterial inoculants, PGPR; yield attributes.
      PubDate: 2014-07-31
      Issue No: Vol. 16, No. 1 (2014)
       
  • The stimulating impact of elevated temperatures on growth and productivity
           of Parthenium hysterophorus L.

    • Authors: R T Kapoor
      Abstract: Invasive alien weeds pose a great threat to biodiversity by suppressing the native flora and causing negative impacts on crop yields. Parthenium hysterophorus is an exotic weed that causes nuisance and health hazard to mankind and animals, and is a danger to the environment. Experiments were conducted during summer and winter to understand the impact of different temperature conditions on the growth of Parthenium. Pot studies conducted at 22-300°C temperature conditions were considered as control. During summer at 35-450°C, various growth parameters significantly increased in comparison to the 7-150°C temperature regime in winter. Different biochemical constituents were also higher in the leaves during summer than in winter season. The present investigation clearly indicates that growth and productivity of Parthenium was directly proportional to the increase in atmospheric temperature, indicating the possibility of the influence of rising temperature on its invasiveness.Keywords: Climate change
      PubDate: 2014-07-31
      Issue No: Vol. 16, No. 1 (2014)
       
 
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