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W. C. John

Publications (9)

Bioassay of Lemongrass on Fungi Pathogen Associated with Cassava Tubers Rot in Farin Gada Market, Jos

W. C. John, O. Oke, M. Ishaya, O. O. Olorundare, N. Janfa & M. J. Mafuyai · Microbiology Research Journal International · 2019

The aim of this study was to determine the effects of Lemongrass on fungal pathogen associated with cassava tuber rot. The study was carried out in the biology laboratory of the Federal College of Forestry Jos, Plateau state from March to May, 2019. Rotten and healthy cassava tub...

Open access Research Article 10.9734/mrji/2019/v29i630181

Inhibitory Effect of Vernonia amygdalina Leaf Powder on Rhizopus stolonifer and Fusarium sp of Tomato Plants in a Greenhouse

W. C. John, T. A. Ihum, M. O. Maipandi & M. Ishaya · Asian Journal of Research in Botany · 2018

This study was conducted to determine the effect of different concentration of Vernonia amygdalina leaf powder against the fungal disease of Tomato plants in a greenhouse. The research was carried out in a greenhouse at the Federal College of Forestry in Jos, from February to Apr...

Open access Research Article

Efficacy of Turmeric Rhizome (Curcuma longa) and Moringa Leaf (Moringa oleifera) Extract in Treatment against Fungi Associated with Maize Seeds

W. C. John, T. A. Ihum, O. Olusolape & N. Janfa · Asian Plant Research Journal · 2018

This research was focused on the use of different concentration of aqueous extract of Moringa leaf and Turmeric rhizome as seed treatment agents against fungi associated with maize seeds. The study was designed using 2 x 3 factorial in completely randomised design. This research...

Open access Research Article 10.9734/aprj/2018/v1i226270

Effect of Environmental Factors on Biodecolourization of Textile Effluents Using Mutagenised Strains of Pseudomonas and Bacillus Species

W. C. John & N. C. J. Anyanwu · Journal of Applied Life Sciences International · 2016

Aim: To determine the effects of varying environmental factors on textile effluents biodecolourization ability of mutagenised strains of Bacillus and Pseudomonas species isolated from dye contaminated soil. Study Design: This research study was done using random sampling techniqu...

Open access Research Article 10.9734/JALSI/2016/24928

Determination of Pathogenic Effect of Fungi on Fresh Healthy Tomatoes in Jos North Local Government Area, Plateau State, Nigeria

W. C. John, N. C. J. Anyanwu & O. A. Ogunmodi · Annual Research & Review in Biology · 2016

Aim: To determine the rot (pathogenic) effect of fungi isolated from diseased tomatoes on fresh healthy tomatoes obtained from Jos North LGA markets. Place and Duration of Study: Jos North Local Government Area market, Plateau State; Microbiology laboratory, Federal College of Fo...

Open access Research Article 10.9734/ARRB/2016/23689

Evaluation of the Effects of the Extract of Vernonia amygdalina on Fungi Associated with Infected Tomatoes (Lycopersicon esculentum) in Jos North Local Government Area, Plateau State, Nigeria

W. C. John, N. C. J. Anyanwu & T. Ayisa · Annual Research & Review in Biology · 2016

Aim: To evaluate the effects of different concentrations of ethanolic extract of Vernonia amygdalina on fungi associated with infected tomatoes (Lycopersicon esculentum) obtain from Jos North Local Government Area. Place and Duration of Study: Jos Local Government Area markets; M...

Open access Research Article 10.9734/ARRB/2016/23698

Bacteriological Examination of the Cafeteria Equipments in Karu L.G.A Cafeterias, Nasarawa State, Nigeria

N. C. J. Anyanwu, W. C. John & M. O. Idoko · Journal of Applied Life Sciences International · 2016

Aim: This study was carried out to determine the rate of bacterial contamination of cafeteria tables, countertops and available equipments used for cooking in Karu Local Government Area cafeterias as a key to determining the hygienic and sanitary conditions of the cafeteria envir...

Open access Research Article 10.9734/JALSI/2016/26243

Isolation and Identification of Fungal Pathogen Associated with Post Harvest Deterioration of Cucumber (Cucumis sativus L.) Fruits in Three Selected Markets in Jos, Nigeria

M. Ishaya, A. E. Anzaku, W. C. John, N. Janfa, O. Oke & S. A. Oladipo · International Journal of Plant & Soil Science · 2019

Aim: This study was carried out to isolate, identify and characterize fungal pathogens associated with post-harvest spoilage of cucumber. Study Design: This research study was done using random sampling technique.  Place and Duration of Study: The experiment was carried out from...

Open access Research Article 10.9734/ijpss/2019/v30i630196

Efficacy of Cashew Nutshell Extract against Termite Attack on Triplochiton scleroxylon Wood

A. O. Oladejo, A. Adeleke, F. Musa & W. C. John · Annual Research & Review in Biology · 2016

This study investigated the efficacy of cashew nutshell extract against termite attack on Triplochiton scleroxylon wood in other to add to the quest for readily available and cost-effective pest control materials, specifically on termite attack on wood. The study was carried out...

Open access Research Article 10.9734/ARRB/2016/26066