Browsing by Author "Aliyu, Taiye Hussein"

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    Assessment of growth, yield and nutritive quality of two okra (Abelmoschus esculentus) varieties infected with Okra mosaic virus
    (University of Abuja, 2022) Aliyu, Taiye Hussein; Arogundade, Olawale; Salami, K.O.; Tete, B.A.
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    EFFECT OF AMARANTHUS MOSAIC VIRUS (AMV) AND BITTER LEAF MOSAIC VIRUS (BMV) ON GROWTH, PROXIMATE, NUTRIENT CONTENT AND SENSORY ACCEPTABILITY OF GREEN AMARANTH (Amaranthus hybridus L.)
    (School of Agriculture and Agricultural Technology, Federal University of Technology Minna-Nigeria, 2016) Aliyu, Taiye Hussein; Abdulkareem, H.A.; Balogun, Olusegun Samuel; Eifediyi, K.E; Kayode, R.M.O.
    A greenhouse experiment was conducted to evaluate the effect of Bitter leaf mosaic virus (BMV) and Amaranthus mosaic virus (AMV) on growth response, proximate, nutrient composition and sensory acceptability of green amaranth (Amaranthus hybridus L.). The treatments comprised single and double inoculations of A. hybridus with AMV and BMV while buffer inoculated plants served as control. Data were collected from 1st to 8th week after inoculation (WAI) for plant height, number of leaves, and number of leaves with viral disease symptoms. Standard methods of the Association of Official Analytical Chemist were used for determining the proximate composition and sensory acceptability were carried out on the leaves at harvest. The results showed that the significantly highest percentage disease severity at 8 WAI was recorded in plants inoculated with AMV (19.3%) followed by BMV (16.2%) and BMV + AMV (15.1%). The growth parameters from the 5th to the 8th WAI indicated that AMV inoculated plants were the shortest plants (22.6 to 33.7cm) with the significantly lowest number of leaves (6.9 to 23.6cm) compared to the control plants which were the tallest. The analysis showed a depletion of the proximate and mineral contents of the leaves by the viruses. However, the sensory evaluation revealed overall general acceptability of the virus infected plants despite an aversion to the colour.
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    Effect of mulches on virus severity, growth and yield of tomato (Solanum lycopersicum) inoculated with cucumber mosaic virus
    (Faculties of Agriculture, Engineering and Technology, Pure and Applied Sciences, and Information and Communication Technology, Kwara State University-Malete., 2020) Aliyu, Taiye Hussein
    Tomato plays a major role in human nutrition but viruses cause severe constraints in terms of yield and quality. There is however meager information on the effectiveness of mulches to ameliorate virus severity in tomato. Greenhouse experiment was conducted to assess the effect of polythene middies and grass mulches on virus severity, growth and yield of tomato mechanically inoculated with cucumber mosaic virus (CMV).Tomato seeds were sown in plastic pots filled with sandy-loam soil previously steam-sterilised. Seedlings where inoculated with CMV 21 days after germination and no-mulch as experimental control. The results indicated mulching significantly (P > 0.05) ameliorated virus severity. At 7th WAI polythene middies and grass mulches had virus severity of 12.4% and 16.5% respectively compared with 20% non-mulch plants. Vine length was tallest in the polythene middies (13.3 – 58.1 cm) and grass mulch (14.8 – 49.9cm). The average number of leaves (38.4) and stem girth (3.1cm) were significantly low for non-mulch compared to other treatments. The effect on yield indicated fruit weights being significantly (P > 0.05) higher for polythene middies (322.3g) and grass (225.1g) mulches compared to non-mulch (164.5g). The study recommends polythene middies and grass as mulch in managing viral infection in tomato.
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    THE EFFECT OF MULCHING PRACTICES ON PATHOGENIC DISEASES OF TWO PEPPER (Capsicum Spp) VARIETIES
    (Faculty of Agriculture, Taraba State University, Jalingo., 2014) Aliyu, Taiye Hussein
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    EFFECT OF PYTHIUM APHANIDERMATUM ON TWO CULTIVARS OF PEPPER (Capsicum spp)
    (Faculty of Agriculture University of Uyo-Nigeria, 2012) Aliyu, Taiye Hussein; Balogun, Olusegun Samuel; Adesina, O.M.
    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 later (postemergence) and non-inoculated plants served as control. The inoculum was pure isolates of P. aphanidermatum, obtained from sub-culturing colonies of the fungus that was growing on infected okra root tissues. Data were collected for growth and yield indices. The data were subjected to analysis of variance (ANOVA) and significant differences determined at P < 0.05. The results showed that there were significant differences in the growth and yield parameters between the inoculated and the control plants, with the inoculated plants having lower values. Pre-emergence inoculation appeared to be more effective than post-emergence inoculation in inducing disease response in plants. The improved variety NHVIB generally performed better than the local variety. The results suggest that prevention of early fungi infection and the availability of disease resistant cultivars could be the best control strategies in reducing the diseases caused by Pythium spp on pepper.
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    Effects of Time of Planting, Plant Population Density and Weeding Regime on the Incidence and Severity of Cowpea Mottle Virus Disease (CPMoV) on Cowpea [Vigna unguiculata (L) Walp.]
    (Phytopathological Society of Nigeria, 2013) Aliyu, Taiye Hussein; Balogun, Olusegun Samuel
    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 considered in the experiment, were at two levels: time of planting cowpea (1st August and 15th August, 2011 and 2012), plant population (106,666 plants/ha and 53,333 plants /ha), and weeding regime (chemical and mechanical). The results showed that planting cowpea at intervals of 1st August and 15th August, was of no significant effect on virus incidence (33.1 % and 34.3% for 2011; 34.6% and 35.7% for 2012), also the severity index value (2) were similar. Weeding regime and plant population density, on the other hand, significantly influenced the virus incidence but not severity. Plant population of 106,666 plants/ha, had the significantly lower virus incidence of 28.0% and 31.7% for 2011 and 2012. Virus incidence was also lower in plants that had chemical and mechanical weeding (31.6% and 33.8% for 2011 and 2012 respectively). The treatment combination effect indicated that significantly higher crop yields were obtained at early planting, at the population of 106,666 plants/ha, with chemical and mechanical weeding. The results indicate that sowing early, at moderately high plant population density, combined with an efficient weeding regime, as a cultural control practice, is effective in ameliorating cowpea mottle virus disease for an improved cowpea yield.
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    FARMERS’ AWARENESS OF VIRUS SYMPTOMS AND ASSOCIATED DAMAGE ON THREE FRUIT VEGETABLE CROPS GROWN IN TWO STATES OF SOUTHWEST NIGERIA
    (Nigerian Society for Plant Protection., 2021) Arogundade, Olawale; Amao, I; Aliyu, Taiye Hussein
    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 descriptive statistics. Of the respondents, the average age of married male farmers was 46 years (46.48±11.43) and 43.6% had secondary education. Pepper (cv. Rodo) was cultivated by 42.5% of respondents followed by okra (landrace) (37.2%), and tomato (cv. Beske) (29.4%). For pepper and tomato, most farmers observed leaf curl symptoms (73.4 and 72.3%, respectively) while leaf deformation symptom (36.2%) was observed in okra. Farmers observed damage such as reduction in yield (74.5%); reduction in number of leaves and fruit size (70.2%) and reduction in fruit size and yield (41.5%) for pepper, tomato and okra, respectively. Damage caused on these vegetables due to viral infection has led to reduction in family income (94.8%). The farmers made attempts to control the symptoms observed by spraying with chemicals; only 1% dispose the infected plants by burying. This study concludes that the farmers recognized virus disease symptoms on the selected vegetables, admitted that infection leads to yield losses and attempted some control measures, though inappropriate. Thus, farmers should be sensitized on the proper measures for controlling viral infections on the selected vegetable crops.
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    Incidence and severity of Sugarcane mosaic virus on sugarcane cultivars at Ilorin, Nigeria
    (Faculty of Agriculture and Life Sciences, Federal University Wukari, Nigeria., 2017) Aliyu, Taiye Hussein; Balogun, Olusegun Samuel; Onidare, F
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    Influence of some agronomic practices on incidence of viruses infecting soybean
    (Faculty of Agriculture, University of Abuja, 2021) Sanni, S.A.; Aliyu, Taiye Hussein; Balogun, Olusegun Samuel
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    THE PATHOGENICITY OF CUCUMBER MOSAIC VIRUS (CMV) AND PUTATIVE BITTERLEAF MOSAIC VIRUS (BLMV) ON Celosia argentea
    (Faculty of Agriculture, Taraba State University, Jalingo., 2014) Aliyu, Taiye Hussein; Balogun, Olusegun Samuel; Osumah, Rukayat; Adeoti, Omotayo Morenike
    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 Agriculture (IITA) Ibadan. Seeds of Celosia argentea were sown in plastic pots that were filled with sandy loam soil, previously steam sterilized at 1200C for 2hours. The plants were mechanical inoculated 3weeks after planting with either CMV, BLMV or Buffer (control). Each treatment was replicated 4 times in a Completely Randomized Design (CRD) manner. The results of the experiment revealed that the C. argentea was susceptible to infection with CMV and BLMV. Percentage severity of the viral infections were significantly different (p=0.05) compared with the control. The results indicated that CMV had the significantly highest effect on percentage disease severity (53.1%), followed by BLMV (16.5%)and control plants had no infection. Subsequent growth and yield attributes in the virus inoculated plants were also generally lower than those recorded for the control. The significantly lowest stem girths were recorded in plants inoculated with CMV (1.6cm), followed by BLMV (2.8cm), while the significantly highest stem girths were obtained in the control plants (4.2cm). The study found C. argentea to be susceptible to infection by CMV and BLMV and thus advocates the need for effective control measures for high productivity of the vegetable.
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    Survey of Incidence and Severity of Sugarcane Mosaic disease of Sorghum in Kwara State of Nigeria
    (Phytopathological Society of Nigeria, 2015) Abisola, B; Balogun, Olusegun Samuel; Aliyu, Taiye Hussein
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    The Susceptibility of Two Bambara Groundnut Varieties to Blackeye Cowpea Mosaic Virus and Cowpea Yellow Mosaic Virus Infection
    (Federal University of Kashere, Nigeria., 2019) Aliyu, Taiye Hussein
    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 Cream Bambara groundnut varieties to Blackeye cowpea mosaic virus (BICMV) and Cowpea yellow mosaic virus (CPYMV) inoculation. The viruses were mechanically applied on the Bambara groundnut varieties at 14 days after planting. The results indicated that the highest virus disease incidence (11.83 - 18.51%) was in Nsuka Red Bambara groundnut variety inoculated with BICMV. The effects of the viruses on plant height showed that Ayaba Cream Bambara groundnut variety inoculated with CPYMV had taller plants (8.92 – 29.54cm) compared to the other virus inoculation treatments. The yield parameters showed that the significantly lowest yields such as; pod length (16.10mm), number of pods (7.94), number of seeds per pod (0.22) and weight of seeds per plant (2.36g) were gotten on Nsuka Red Bambara groundnut variety that was inoculated with BICMV. The results obtained from the study suggest that Nsuka Red and Ayaba Cream Bambara groundnut varieties were susceptible to BICMV and CPYMV with consequent reductions in growth and yield of plants. There is need therefore to control virus spread on Bambara groundnuts for higher productivity, increased income and food security. The Ayaba Cream Bambara groundnut variety which was more tolerant to the viruses could be recommended to farmers and crop breeders in virus disease management.