Samuel Adelani Babarinde

• PhD
• Lecturer at Ladoke Akintola University of Technology

Pesticides usage in cultivated crops has the benefit of yield increase, especially when such pesticides control insect pests, weeds and diseases. However, the bane of toxic residues in the harvested produce is a major concern worldwide. The presence of pesticide residues in commercially available cucumber (Cucumis sativus L.) fruits from five major...

This study examined the factors influencing beekeeping among subsistence farmers in Ogbomoso settlements of southwest Nigeria. A total of 80 rural farmers were randomly selected through a multistage sampling technique. The findings show that 45% of the respondents were between the ages of 31 and 40 years, and the male made up 90% of those engaged i...

Four cowpea lines (IT99K-494-6, IT97K-390-2, IT84S-2246-4 and IT06K-141) obtained from the Genetic Resources Centre, International Institute of Tropical Agriculture (IITA), Ibadan Nigeria, one cultivar (Ife Brown) obtained from Institute of Agricultural Research and Training (IAR&T), Obafemi Awolowo University, Ibadan and two cultivars (Drum and Ol...

Although the use of essential oils (EOs) for pest control has gained popularity due to their biodegradability and ecological safety, a major concern regarding their use is stability. Therefore, this aspect deserves empirical studies to enable potential end users to adopt research findings on the pesticidal potential of EOs. This research investigat...

Snakebite is a significant menace that affects arable farmers, cattle herdsmen, their animals and other agricultural workers in rural communities globally. Some plant species have been found to have medicinal qualities, including physiologically active compounds with potential therapeutic benefits. This study was designed to identify and evaluate t...

Fixed vegetable oils (FVOs) possess insecticidal properties against insect pests of stored cowpea, but information on their efficacy over a prolonged storage period is still scanty. Bioassays were conducted to investigate the potentials of oil from castor, groundnut, neem, and palm kernel in protecting stored cowpea seeds against Callosobruchus mac...

This work investigates the chemical composition and toxicity of the essential oils (EOs) extracted from clove flower buds and goat weed leaves against housefly larvae. The clove EO was oxygenised monoterpenes-dominated and Eugenol (41.49%) chemotype. The Chromene-dominated EO of goat weed was Precocene I (72.73%) chemotype. Application of 100 ppm o...

The impact of COVID-19 pandemic and lockdown surpasses the health sector. A multi- disciplinary team of experts in agriculture including crop, livestock, economics and extension drew out a questionnaire on areas of impact, mitigation and constraints imposed by COVID-19 and accompanied lockdown. The survey was administered online to farmers in South...

Larger grain borer {Prostephanus truncatus (Horn.) (Coleoptera: Bostrichidae)} is a polyphagous pest which infests timber products, cereals, legumes, dried yam and cassava chips. Its infestation causes quantitative and qualitative losses, leading to food insecurity and reduced income generation for farmers. Essential oils (EOs) were obtained from f...

Insects as food and feed have the potential to alleviate food, feed and nutrition insecurity in sub-Saharan Africa (SSA) against a backdrop of climate change. Such use has gained unprecedented attention in the past decade and the trend will probably continue due to the species diversity, new discoveries in the nutritional, neutraceutical and medici...

One of the most destructive beetles attacking stored grain products in the tropics is red flour beetle, Tribolium castaneum Herbst (Coleoptera: Tenebrionidae). The ecological problems associated with using synthetic chemical insecticides have strongly necessitated the need to search for biorational alternatives. The aim of this experiment was to ev...

The cigarette beetle, Lasioderma serricorne (F.) (Coleoptera: Anobiidae), is a major insect pest that can cause total damage to durable stored commodities of plant and animal origin. It is a major pest of stored tobacco, flours, dry mixes, dried fruits and other products kept in kitchen cabinets, hurricane food supply storage containers, and other...

Insect pests of cucumber are mainly controlled using synthetic insecticides. However, considering the various ecological dangers caused by their usage, it becomes imperative to provide alternatives to them. The insecticidal activities of aqueous extract of five selected plants, Lantana camara Linneaus, Zingiber officinale Roscoe, Tithonia diversifo...

This study evaluated the chemical composition and toxicity of fixed oils obtained from Jatropha curcas seeds pre-treated with different methods (cooking, roasting and raw) against maize weevil, Sitophilus zeamais Motschulsky. Palmitic acid was the predominant compound, being 86.60, 69.98 and 54.04%, in oil obtained from cooked, raw and roasted seed...

The synergistic effect of spinosad with three botanical (Aframomum melegueta, Eugenia aromatica and Piper guineense) powders as biorational insecticides against Tribolium castaneum Herbst (Coleoptera: Tenebrionidae) infesting melon (Citrullus lanatus) seeds was investigated. Treatments included sole application of each botanical powder (50 g/kg of...

Okra Abelmoschus esculentus (L.) Moench (Malvales: Malvaceae) is a major fruit vegetable consumed in either fresh or dried form in Africa. As part of our efforts to identify the pestiferous species attacking dried fruits, a laboratory experiment was conducted to investigate the damage potentials of Sitophilus zeamais (Motschulsky, 1855) (Coleoptera...

The demand for high quality honey by consumers in developing countries calls for quality assessment of various honey samples displayed for sales to ascertain their originality. This study focused on assessing some quality attributes of honey samples sold in Ogbomoso region, comprising five local government areas. A total of 20 honey samples were ob...

p>Toxicity of Sclerocarya birrea A. Rich. (Anacardiaceae) leaf and bark and Azadirachta indica A. Juss (Meliaceae) leaf extracts against Sitophilus zeamais Motchulsky (Coleoptera: Curculionidae) was evaluated under the laboratory conditions (77±4% relative humidity and 27±3°C temperature). When extracted doses were compared, mortality was dose- and...

To reduce the risks associated with over-dependence on synthetic insecticides and ensure leguminous food security, an experiment was conducted to evaluate the potentials of integrating Piper guineense essential oil (PgEO) with cowpea varietal resistance in the control of cowpea seed beetle, Callosobruchus maculatus Fabricius. Four cowpea varieties...

Essential oils (EO) obtained from Xylopia parviflora root bark and Hoslundia opposita leaf via hydro distillation were analysed by GC-MS and evaluated for their insectifugal (repellent) and insecticidal activities against cowpea seed bruchid (Callosbruchus maculatus Fabricius), a cosmopolitan pest of cowpea seeds. X. parviflora was predominated by...

Due to several ecological and human hazards of synthetic pesticides in postharvest crop protection, there is the need to search for eco-friendly alternatives. In this study, chemical composition and insecticidal activities of essential oil (EO) obtained from Hoslundia opposita dried leaves were evaluated against cowpea seed bruchid. Eight constitue...

The study investigated farmers’ perception on the use of vetiver grass for termite’ control in Ogbomoso Agricultural Zone, south-western Nigeria. Respondents were selected using purposeful sampling technique from four out of the five local government areas (LGAs) that made up the agricultural zone. Sampling was restricted to the farmers that could...

Agricultural production is central to the overall wellbeing of the populace including Nigerian people. It presents the only viable opportunity to Nigeria's economic development in the face of the recent economic challenges. The Agricultural Development Program (ADPs) is one of the structural platforms established by the Federal Government of Nigeri...

Essential oil (EO) of Nigeria-grown Lippia adoensis leaf was analyzed using gas chromatography mass spectrometry (GCMS) and its fumigant and repellent properties against Callosobruchus maculatus were evaluated. Sixteen compounds predominated by monoterpenes were identified. The major compounds were Eucalyptol (28.36%), α-Terpineol (25.99%), γ-Terpi...

Dermestes maculatus is a major fish pest causing serious damage when left uncontrolled. This work identifies the fatty acids of Nigeria-obtained neem seed oil (NSO) and the potential of different mixtures of the NSO and iodized salt in the control of the pest. Seven fatty acids: palmitic acid (18.09%), linoleic acid (33.73%), stearic acid (14.37%),...

Acetone and chloroform extracts of the seed of Xylopia aethiopica (Dunal) A. Rich (Annonaceae) were evaluated in the laboratory for their insecticidal effect on the adult Callosobruchus maculatus (Fabricius) (Coleoptera: Bruchidae). Adult mortality was assayed using 0.5ml and 1.0 ml of extract per 20 g cowpea. Five dosages (0.2, 0.4, 0.6, 0.8 and 1...

The pesticidal effect of ginger (Zingiber officinale Roscoe) essential oil (GEO) against two developmental stages (adult and larva) of Dermestes maculatus De Geer, a key pest of African catfish (Clarias gariepinus) was evaluated under laboratory condition (32 ± 2 °C temperature and 70 ± 3% relative humidity). At 6 h after exposure (HAE), 25.80 and...

Four cowpea lines (IT99K-494-6, IT97K-390-2, IT84S-2246-4 and IT06K-141) obtained from the Genetic Resources Centre, International Institute of Tropical Agriculture (IITA), Ibadan Nigeria, one cultivar (Ife Brown) obtained from Institute of Agricultural Research and Training (IAR&T), Obafemi Awolowo University, Ibadan and two cultivars (Drum and Ol...

Organochlorine pesticide residues in dried cocoa beans from selected towns from Ondo and Osun States, Nigeria were determined. Four towns Ondo and Idanre (Ondo State) and Ife and Ilesa (Osun State) were selected to represent cocoa producing areas in the states. Samples were extracted and cleaned-up on silica gel adsorbent. Pesticide residues were d...

Organochlorine pesticide residues in dried cocoa beans from selected towns from Ondo and Osun States, Nigeria were determined. Four towns Ondo and Idanre (Ondo State) and Ife and Ilesa (Osun State) were selected to represent cocoa producing areas in the states. Samples were extracted and cleaned-up on silica gel adsorbent. Pesticide residues were d...

A study was carried out on the assessment of selected food produce for pesticide residue in Oyo State. With the aid of multi stage sampling technique, 8 selected markets were surveyed in the major constituencies of Oyo State which included Oje and Bodija Market in Ibadan, Arada and Sabo Markets in Ogbomoso, Ajegunle and Araromi Market in Oyo, Owode...

A study was carried out on the assessment of selected food produce for pesticide residue in Oyo State. With the aid of multi stage sampling technique, 8 selected markets were surveyed in the major constituencies of Oyo State which included Oje and Bodija Market in Ibadan, Arada and Sabo Markets in Ogbomoso, Ajegunle and Araromi Market in Oyo, Owode...

Four apicultural products (honey, bee wax, slum gum and propolis) were evaluated for their potentials to attract the African honey bee ( Apis mellifera adansonii ) colony into artificial hives and their effect on infestation by apicultural insect pests. Ten grammes each of propolis, bee wax and slum gum and 10 ml of honey were applied at the flight...

Four apicultural products (honey, bee wax, slum gum and propolis) were evaluated for their potentials to attract the African honey bee (Apis mellifera adansonii) colony into artificial hives and their effect on infestation by apicultural insect pests. Ten grammes each of propolis, bee wax and slum gum and 10 ml of honey were applied at the flight e...

This experiment was conducted under laboratory conditions of 28+ 20 C and 69 + 5% relative humidity to assess the level of susceptibility of 12 Upland and Lowland rice varieties to rice weevils, Sitophilus oryzae infestation. The experiment was set up in a randomized complete block design with four replications. Significant differences (p < 0.05) w...

Surveys were carried out in five local government areas of Ogbomoso Agricultural Zone Nigeria during planting season in 2010 to investigate rural farmers perceptions and management practices of insect pests of fruit vegetables. The survey involved 150 randomly selected farmers who were interviewed using structured questionnaire. Fruit vegetables pl...

Surveys were carried out in five local government areas of Ogbomoso Agricultural Zone Nigeria during planting season in 2010 to investigate rural farmers perceptions and management practices of insect pests of fruit vegetables. The survey involved 150 randomly selected farmers who were interviewed using structured questionnaire. Fruit vegetables pl...

Five improved sesame varieties (Sesamum indicum) namely E8, 01M, 02M, 03L, and Ex-Sudan were screened in the laboratory for varietal susceptibility to the rust red flour beetle, Tribolium castaneum (Herbst). The physicochemical properties of fixed oil extracted from each variety were also determined. Weight of 100 seeds and mortality of T. Castaneu...

The fumigant toxicity of Xylopia parviflora (A. Rich.) Benth (Annonaceae) root bark's essential oil (EO) against cowpea seed bruchid, Callosobruchus maculatus, was investigated in the laboratory. Dose had significant (P < 0.0001) effect on mortality at 6 hours after treatment (HAT) at a concentration of 6.25 μL/mL air which exerted 81.70% mortality...

The insecticidal properties of Hoslundia opposita Vahl (Lamiaceae) leaves' essential oil (EO) against Tribolium castaneum were investigated using contact toxicity and repellency bioassays. Mortality progressed with exposure period and ranged from 61.13% observed at 24 h after treatment (HAT) to 88.86% at 168 HAT. The LT50 (lethal time for 50% of tr...

A survey was carried out between March and August 2010 to identify insect pests of stored yam chips in Ogbomoso Metropolis, Nigeria. Dried yam chips were randomly obtained from old stocks in 6 local markets within the metropolis on monthly basis. There was a significant (P < 0.05) difference in insect abundance based on month of sampling and insect...

As part of the efforts in developing alternative feed ingredients for feeding rabbits a feeding trial was conducted to investigate the nutritional potential of Honey Bee slum gum meal (HBSM) on the performance characteristics of growing rabbit. Thirty (30) growing rabbit of 7 weeks of age were weight-balanced and divided into three (3) dietary trea...

The effect of maize weevil (Sitophilus zeamais Motschulsky 1855) infestation was evaluated on three pastas under laboratory conditions of 32±2 ° C temperature and 67±3% relative humidity. Macaroni suffered the highest quantitative loss with the highest number (62) of emerged adults at 2 months after infestation (MAI). However, the highest number (9...

An experiment was carried out in the laboratory to control the infestation of larger wax moth, Galleria mellonella, after honey extraction. Different quantities of salt in water and hermetic storage were used as methods of controlling the larvae. A treatment containing Aluminium phosphide tablet was incorporated as a chemical method of control and...

A comparative study was undertaken to determine progeny development of Dermestes frischii Kugelann and its damage on 12 smoke-dried fish species. The highest weight of the emerged F1 adult D. frischii was observed in Mormyrus delicosus (0.10 g) followed by Clarias sp. and Malapterurus sp. (0.07 g); while Channa sp., Auchenoglanis sp. and Moronyrus...

Two formulations of Ocimum sanctum L. (powder and extract) were used to test for its toxic and repellent properties against Tribolium castaneum in the laboratory. A toxicity test consisted of exposing T. castaneum larvae to millet (Pennisetum glaucum (L.) R. Br.) seeds treated with three dosages (0, 0.15 and 0.3 ml/5 g seeds) and millet flour admix...

B. 2012. Impact of hive dimension and fight entrance on hive colonization, pest infestation and hive weight gain in Apis mellifera adansonii (Hymenoptera: Apidae). Munis Entomology & Zoology, 7 (1): 634-641] ABSTRACT: Four hive types [Kenya top bars hive with flight entrance on the floor (KF), Kenya top bars hive with flight entrance on the wall (K...

Honey harvesting is accomplished using two main methods: traditional and modern methods; the former involves the use of naked flames to rid off or even destroy honey bees, while the latter involves use of smoke to suppress bees' aggressiveness. This research work investigated the effect of the method of harvesting on the quality of honey. The quali...

The effect of canopy type on bee hive colonization, honey bees colony performance and pest infestation was investigated in Ogbomoso, Nigeria. There was 100% colonization in hives baited with bee wax, which was significantly (p<0.05) greater than 66.6% colonization recorded in hives baited with pineapple fruit. Although yield obtained from different...

Reconnaissance surveys were carried out for field infestation of Phenacoccus solenopsis Tinsley from 2006 to 2010 in seventy five (75) vegetable gardens located in three (3) towns– Ogbomoso, Abeokuta and Ibadan in Nigeria. No cotton mealybug infestation was observed in Abeokuta and Ibadan, but twenty four (24) plants in 16 different families were o...

Ricinus communis seed extract obtained by hydraulic extractor tagged Ricinus hydraulic seed extract (RHSE) and that obtained by cold extraction using analytical grade ethanol tagged Ricinus ethanolic seed extract (RESE) were compared for their relative bioactivity against T. castaneum adult and larva in the laboratory (relative humidity, 70 ± 5%; t...

Laboratory studies were carried out to investigate bioactivity of Piper guineense seeds and Moringa oleifera leaf powders applied singly or in a mixture against larvae and adult Trogoderma granarium Everts in airtight containers. Three levels (0.0 g, 0.5 g, and 1.0 g/20 g groundnut seeds) of the plant powders were used and pirimiphos-methyl was app...

Zonocerus variegatus (Linnaeus) (Orthoptera: Pyrgomorphidae) nymphs to feeding at different periods of the day. Munis Entomology & Zoology, 6 (1): 246-250] ABSTRACT: Ninety second instars were used to investigate the growth response of Zonocerus variegatus (L) (Orthoptera: Pyrgomorphidae) nymphs at three feeding periods namely 7.00am-7.00pm, 7.00pm...

Most management practices of Sitophilus zeamais Motschulsky, a field-to-post-harvest insect pest of cereals, have focused on post harvest control methods. This experiment was designed to investigate the potential of cropping system and modification of time of harvest to control S. zeamais. Intercropping and harvest time modification had significant...

An eight week feeding trial was conducted to evaluate the effect of inclusion of honey bee slum gum meal (HBSM) in broiler diets. HBSM was mixed with Maize in a ratio 1:4 and milled to obtain maize honey bee slum gum meal (MHBSM). Five diets were formulated where 0, 25, 50, 75 and 100% of maize was replaced by MHBSM in broiler starter and finisher...

Plantain chips (Musa sapientum L.) were infested with Tribolium castaneum Herbst in the laboratory (64±5% relative humidity and 30±2°C temperature) to evaluate physical and biochemical losses of the chips due to pest damage. Varying levels (4, 8 and 12) of T. castaneum adults were introduced into 20 g plantain chips. An uninfested 20 g of chips ser...

INTRODUCTION Maize (Zea mays) is a major cereal being cultivated in the rain forest and the derived Savannah zones of Nigeria (Iken and Amusa, 2004). One of the setbacks in the pro-duction and storage of maize is insect pest infestation. The most important storage pest of maize is Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) which is...

The toxicity and repellency of Xylopia aethiopica seed extract was investigated in the laboratory against Tribolium castaneum Herbst. Concentration and days after treatment (DAT) caused a significant increase in T. castaneum adult mortality with an interaction effect of both on mortality when filter paper was impregnated with X. aethiopica extract....

A preliminary study was carried out to investigate the impact of polythene and lime onbees wax baited top bars hives on colonization, hive weight and pest infestation in Ogbomoso (longitude 4 0 30 1 E and latitude 10 0 5 1 N), Nigeria. All hives were baited with bees wax at the rate of 25 g per hive. The experimental treatments were lime (L), Polyt...

Susceptibility of the Selected Crops in Storage to Sitophilus Zeamais Motschulsky in Southwestern Nigeria Susceptibility of the selected Nigerian cultivars of twelve crops to Sitophilus zeamais Motschulsky was evaluated in the laboratory (28 ± 2°C temperature and 69 ± 5% relative humidity). The crops were: maize ( Zea mays L.), millet [ Pennisetum...

Susceptibility of the selected Nigerian cultivars of twelve crops to Sitophilus zeamais Motschulsky was evaluated in the laboratory (28 ± 2°C temperature and 69 ± 5% relative humidity). The crops were: maize (Zea mays L.), millet [Pennisetum glaucum (L.) X R. Br.], sorghum [Sorghum bicol-or (L.) Moench], rice (Oryza sativa L.), and yam (Dioscorea r...

The toxicity of Tithonia diversifolia leaf powder applied at 1.0 g and pirimiphos-methyl dust (PPD) at 0.025 g (recommended dose) separately and mixing 0.5 g T. diversifolia with half, a quarter or an eighth of the recommended dose of PPD per 50 g maize grains against Sitophilus zeamais (maize weevil) was studied in the laboratory. Test parameters...

The toxicity of Tithonia diversifolia leaf powder applied at 1.0 g and pirimiphos-methyl dust (PPD) at 0.025 g (recommended dose) separately and mixing 0.5 g T. diversifolia with half, a quarter or an eighth of the recommended dose of PPD per 50 g maize grains against Sitophilus zeamais (maize weevil) was studied in the laboratory. Test parameters...

In search for alternatives to synthetic pesticides in maize (Zea mays, L.) storage, an integrated weevil management scheme involving varietal resistance and Xylopia aethiopica (Dunal) A. Richard seed extract was evaluated in the laboratory. Varying rates of X. aethiopica extract were assessed on three maize varieties (Pajo White, Tsolo Yellow, and...

Preliminary investigations were carried out on the termiticidal potentials of aqueous extract of the leaf, fruit and bark of castor, Ricinus communis (Euphorbiaceae), on mortality and repellency of Macrotermes natalensis in the laboratory towards the development of alternative to synthetic termiticides. Ability of Nasutitermes species to rebuild br...

Damage, influence of crop on oviposition and fecundity of Lasioderma serricorne were studied on six crop materials, namely, sorghum (Sorghum bicolor), maize (Zea mays), cowpea (Vigna unguiculata), groundnut (Arachis hypogaea), cassava (Manihot esculenta) and tomato (Lycopersicon esculentum). Damage ability test involved introducing 10 unsexed L. se...

The efficacies of crude extracts of the stem bark of Khaya grandifoliola; K. senegalensis and K. nyasica (Meliaceae), collected within the same Nigerian ecological zone, at 0, 250, 500 and 1000 ppm were investigated as cowpea protectants against Cowpea bruchid (Callosobruchus maculatus Fabricius) under laboratory conditions at 27 ± 2°C temperature...