Taiye Hussein Aliyu

• B. Agric (Hons), M.Sc. (Distinction). Ph. D.
• Associate Professor of Plant Virology at University of Ilorin

Integrated pest management (IPM) is a sustainable approach for minimizing the negative impacts of pests on crops while reducing reliance on synthetic pesticides. This study was conducted in Kwara State Nigeria in 2023, to investigate the effects of implementation of IPM practices on the occurrence of pesticide residues in okra cultivated by the far...

Integrated Pest Management (IPM) is a sustainable approach to minimize the negative impacts of pests on crops while reducing the reliance on synthetic pesticides. This study was conducted in Kwara State Nigeria in 2023, to investigate the implementation of IPM practices and the occurrence of pesticide residues in okra among the farmers in Kwara Sta...

Several viruses have been reported to affect the productivity of passion fruit (Passiflora edulis Sims.), a perennial herbaceous and wood plant, including cucumber mosaic virus (CMV). In this work, a Cucumovirus isolated from passion fruit plants was characterized. Passion fruit leaves showing virus-like symptoms were collected from the experimenta...

This study aimed to investigate virus occurrence in weed species in the main pepper-growing areas in Southwest Nigeria. The weed samples collected from pepper farms were identified and subjected to Antigen-Coated Plate Enzyme-Linked Immunosorbent Assay using antibodies specific eight different viruses. Results showed that the Weed species collected...

The study assessed farmers' awareness of viral disease symptoms and associated levels of severity on Pepper (Capsicum spp.), Tomato (Solanum lycopersicum L.) and Okra (Abelmoschus esculentus L. Moench). Structured questionnaire was used to collect data from 94 farmers in Oyo and Ogun states in southwestern Nigeria. Responses were analyzed using des...

The study evaluated the adoption of System of rice intensification (SRI) among rice farmers in Chanchaga Local Government Area of Niger State, Nigeria. A 3-stage sampling technique was used to collect data for the study through a structured questionnaire and interview schedule administered to 200 rice farmers. The results indicated that the majorit...

Assessments of 30 sweet potato farms in three districts of Kwara State of Nigeria were carried out to evaluate the incidence of sweet potato virus disease (SPVD). A serological study by Antigen-coated plate enzyme-linked immunosorbent assay (ACP-ELISA) was set up to assay six viruses on sweet potato samples. A field experiment to appraise the influ...

Increasing outbreaks of virus species infecting pepper (Capsicum spp.) is a major problem for growers in Africa due to a combination of factors, including expansion of pepper cultivation, abundance of insect vectors and climate change. More than 45 viruses have been identified to infect pepper crops causing economic loss in terms of reduced quality...

Tomato (Lycopersicon esculentum Mill) is one of the major fruit vegetables in Nigeria and viruses cause significant losses in both field and greenhouse tomato production systems. The study was conducted in Kwara State of Nigeria to determine the incidence of virus diseases on tomato and detect the suspected viruses with serological assay. A field e...

A screen house experiment was used to evaluate the mechanical transmissibility and effect of Watermelon mosaic virus (WMV) and Cucumber mosaic virus (CMV) on virus infection, growth, yield of Kaolac and Sugar dragon watermelon cultivars. The treatments consisted of each cultivar mechanically inoculated with a virus and a buffer control; making 6 tr...

Bambara groundnut is a high-energy plant which is rich in carbohydrates, proteins and minerals. The crop attracts low patronage by farmers, consumers and researchers and is still commonly being grown by poor farmers at the subsistence level in Nigeria. A greenhouse experiment was conducted to determine the susceptibility of Nsuka Red and Ayaba Crea...

The transmission of viruses through seed can be of considerable ecological significance for virus perpetuation and dissemination. This can also be of economic consequence for the plant as the seeds can be an efficient way by which virus diseases are disseminated in plants. An experiment was conducted to test the efficacy of Sodium hypochlorite and...

Soybean (Glycine max L), is of high nutritional and economic importance. However, viral diseases are the major cause of poor growth, low yield and reduction in the quality of the crop. In order to manage the disease in an environmentally acceptable manner use of resistant varieties is seriously indicated. In view of this, experiment was carried out...

Soils of the southern Guinea savannah zone of Nigeria are low in organic matter content, inherently infertile due to intensive weathering and leaching caused by high temperature and rainfall. A field experiment was conducted at the Teaching and Research Farm of the University of Ilorin, during the 2013 and 2014 cropping seasons, to determine the ef...

This study evaluated the incidence and severity %) were moderately severe. ELISA detected virus presence (0.548 nm) at Agbaja Ijokodo (Iddo LGA.), Academy (0.478 nm) and Alalubosa (0.65 nm) both in Ibadan North West LGA. However, the specific detection of CPMMV was established at Iddo. These findings indicate the intensity and array of viruses that...

A greenhouse study was conducted to evaluate the influence of fertilizer application on the growth response of Celosia argentea mechanically infected with Cucumber mosaic virus (CMV) and Okra mosaic virus (OKMV). Four seeds and later thinned to two stands of the vegetable were sown per 10-litre sized plastic buckets filled with sandy-loam soil stea...

Seed health testing of fifteen soybean cultivars obtained from five locations in the Guinea Savannah agro-ecology of Nigeria was carried out using two main seed health testing methods described by the International Seed Testing Association (ISTA); the standard blotter and two variants of agar plate incubation method (Potato Dextrose Agar and Czapec...

Edible mushrooms is used in the preparation of several delicacies in many parts of Nigeria, little information is available on the nutritional qualities of oyster mushroom (Pleurotus sajor- caju) cultivated on gmelina wood waste, this study was to ascertain the nutritional and anti -nutritionalamino acid and fatty acid composition of commercially g...

Th e incidence, severity and occurrence of four viruses infecting pepper were determined in Kwara State, Nigeria. A disease survey and antigen-coated plate enzyme-linked immunosorbent assay (ACP-ELISA) were the tools deployed to achieve these objectives. Th e survey indicated the highest virus incidence (97%) in four locations, and the lowest incid...

One hundred and twenty okra farms in twenty locations in the rain-forest agroecology of Kwara State, Nigeria were surveyed. The objectives were to study the socio-economic characteristics of okra farmers and ascertain the incidence of okra diseases. Disease incidence was estimated based on thirty (30) plant observations per field and the percentage...

A greenhouse study was conducted to determine the pathogenic effect of Cucumber mosaic virus (CMV) and Putative Bitterleaf mosaic virus (BLMV) on a local variety of Celosia argentea. The viral inoculi were extracted by homogenization from infected leaves of cowpea and bitterleaf that were obtained from the International Institute of Tropical Agricu...

Experiments were conducted to evaluate the effect of pre and post germination treatments with aqueous extract of Moringa oleifera stem bark on seed-borne fungi infection of soybean. To test the pre-germination effect of the treatment, in-vitro experiments were first conducted to isolate and identify the seed-borne fungal pathogens in the soybean cu...

A virus disease survey was carried out between the months of October and November 2011, in thirty locations of the guinea savanna and rain forest agroecologies of Kwara State – Nigeria with the objective of evaluating the incidence and severity of cowpea viruses. The virus incidence (VI), on cowpea were estimated based on fifty plant observations p...

Phone +2348038365315 Experiments were carried out to test the effect of aqueous and n-Hexane extracts of Khaya ivorensis on the control of rice seed-borne fungi. Seed-borne fungi associated with the seeds of five rice varieties (NERICA 5, FARO 29, FARO 49, NERICA 18 and NERICA 36) were isolated using the agar plate incubation method. N-hexane and a...

A survey was carried out towards the end of the year 2011and early 2012 to elucidate the perception of “fadama” III farmers, in the 16 local government areas of Kwara state, about Integrated Pest Management (IPM). The study was carried out by flexible semi-structured interview survey method questionnaires which were distributed equally (i.e. 20 res...

This study was carried out to determine the effect of leaf extracts of Azadirachta indica and Vernonia amygdalina on the control of post harvest deterioration of tomato fruits caused by fungi. The extracts were applied at 5% and 10% w/v against Fusarium verticilloides, one of the rot causing fungi in tomato fruits, in-vitro in a completely randomiz...

This study was carried out to determine the effect of leaf extracts of Azadirachta indica and Vernonia amygdalina on the control of post harvest deterioration of tomato fruits caused by fungi. The extracts were applied at 5% and 10% w/v against Fusarium verticilloides, one of the rot causing fungi in tomato fruits, in-vitro in a completely randomiz...

Inadequate health care supply, poor nutrition, low income levels, use of trees and their by- products for provision of food, medicine and cosmetics are common among the rural people of the developing nations. Moringa Tree has been reported to be a wonder plant that is useful for human and animal nutrition, health, cosmetics, bio-gas and water purif...

Experiment was conducted during 2011 to 2012 cropping season using potted plants, to evaluate the influence of weeding regime on sugarcane mosaic disease severity in selected improved sugarcane varieties from the University of Ilorin – Nigeria sugarcane germplasm. The experiment was laid out following a split plot arrangement where the weeding regi...

Field experiments were carried out in 2011 and 2012 planting seasons to evaluate the effects of time of planting, weeding regime and plant population density on the incidence and severity of cowpea mottle virus on cowpea. The experiment followed factorial treatments fitted into a randomized complete block design. The application of the factors cons...

A potted experiment was carried out to study the effect of Pythium aphanidermatum on two cultivars of pepper [NHVIB (improved variety) and Sombo (local variety)]. 24 pots of sterilized soil were used and four seeds of each pepper variety were planted in 12 pots each. The plants were inoculated by drenching at planting (pre-emergence) and 2weeks lat...

A comprehensive field survey was carried out in 2011 spanning thirty locations within the forest and savannah agroecologies of Kwara State, Nigeria. This was with the objective of having an overview of the prevalence of virus disease symptoms and to specifically identify the viruses infecting cowpea (Vigna unguiculata .L.) in Kwara State. Data were...

Field experiments were carried out at the teaching and research farm of the University of Ilorin, situated within the guinea savannah agroecology of Kwara State during the 2009/2010 and 2010/2011 cropping seasons. The aim was to evaluate the effect of intercropping and crop arrangement on the incidence of viral disease of cowpea in the agroecology....

Virus diseases have constituted great constraint to cowpea production leading to reduced yields, it is important to evolve control strategies that is ecologically friendly and sustainable. A field experiment was carried out at the Teaching and Research Farm of the University of Ilorin, Kwara State-Nigeria (8.29°N and 4.41°E), during the 2010 croppi...

Potted experiment was carried out in the screenhouse of the Crop Protection Department, Faculty of Agriculture, University of Ilorin, Nigeria to determine the yield reaction of cowpea to single and mixed viral infection with Blackeye Cowpea Mosaic Virus (BICMV) and Cowpea Yellow Mosaic Virus (CYMV) at different inoculation regimes. The experiment w...

Potted experiment was carried out to compare the efficacy of the use of aqueous leaf extracts of Jatropha curcas and some other botanicals used as pesticides in suppressing virus disease in cowpea plants (cv. Ife –brown), that were mechanically inoculated with cowpea mottle virus (CMeV) isolate. The experiment was designed in a complete randomized...

Virus diseases are a limiting factor in cowpea production in all agro-ecological zones of Nigeria and yield reductions of between 80-100% have been reported. Some cowpea varieties show resistance to viruses, cultural practices such as varying plant population have been found useful in the control of these viral pathogens. Field experiments were con...

A Screen house experiment using potted plants was carried out to assess the effects of time and rate of application of Rice-husk powder as an organic amendment on cowpea (Vigna unguiculata L Walp) cv. Ife Bimpe, that were mechanically inoculated with Cowpea Mottle Virus (CMeV). The results showed that the organic amendment was very effective on pla...

A study was carried out using potted plants arranged in a randomized complete block experimental design, to evaluate the pathogenic responses of Cowpea that was inoculated with cucumber mosaic virus to soil amendment with neem leaf powder. The amendments were applied at varying rates of 0.125Kg/10kg soil, 0.25Kg/10Kg soil and 0.5Kg/10Kg soil, and a...

Cowpea mottle virus is of localised importance on cowpea in Nigeria infecting several leguminous species andCucumber mosaic virus is of worldwide distribution infecting several horticultural crops.A study was carried out in the screen house of the crop production pavilion, Faculty of Agriculture, University of Ilorin,Ilorin, Kwara State, Nigeria to...

A screenhouse experiment was conducted to evaluate the influence of seedling age at inoculation and cultivar onpathogenicity of the virus causing yellow mosaic disease of Commelina benghalensis L, a broad leaf weed, on cowpea.Three cowpea varieties namely Vita 5, IT84S2246D and Ife Brown were grown in pots and inoculated with sapextracted from leav...

The study was carried out to determine the comparative pathogenic response of six cultivars of soybean; TGx 1844-18E, TGx 1448-2E, TGx 1910-8F, TGx 1019-2EN, TGx 1910-8F and TGx 1876-4E to single and mixed infections with cowpea mottle virus and cucumber mosaic virus. The experiment was conducted in the screenhouse at the crop production pavilion,...

Experiments were conducted using potted plants on the mechanical transmissibility or otherwise and the eventual pathogenic effect, of a viral isolate from naturally infected Commelina benghalensis L. (a broad-leaved weed) on three widely grown cowpea, Vigna unguiculata L. Walp cultivars- Vita 5 (white), IT84S2246-D (Brown) and Ife Brown. The result...