Comparative efficacy of different rates of groundnut oil for the control of cowpea weevils &lt;i&gt;callosobruchus maculatus&lt;/i&gt; (F.) in stored cowpea (&lt;i&gt;Vigna unguiculata (L) walp &lt;/i&gt;)

Aliyu, Musa; Ahmed, B. I.

doi:10.4314/gjass.v5i2.2314

Cited by 4 publications

(5 citation statements)

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“…The study has shown that pure neem and moringa oils and the mixtures in ratios 1 : 1, 1 : 2, 1 : 3 adequately protected uninfested cowpea grains from C. maculatus attack. This result is consistent with previous works of [4] who used groundnut oil at the rate of 2-8 mL/kg of cowpea to treat cowpea for storage; Schoohoven [6] and Pereire [7] used industrially refined palm oil and groundnut oil for cowpea storage while Gesellschatt fur Technische Zesammenarbeit (GTZ) [8] reported the storage of cowpea with pure neem oil. Efficacy of 10 vegetable oils against C. maculatus has been attributed to ovicidal effect of the oils [9], reduced oviposition [6], and reduced adult longevity.…”

Section: Discussionsupporting

confidence: 91%

“…Each container was covered with 10 mm mesh sieve to allow free air circulation and also to prevent insects from escaping. This was carried out at ambient temperature of 28 • C (±2) and relative humidity of between 70-75% [4]. This was left for 10 days, at the end of which the weevils in the cowpea were sieved out and then left for another 24 hours after which they were harvested and used.…”

Section: Methodsmentioning

confidence: 99%

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Preservation of Cowpea (Vigna unguiculata(L.) Walp)Grainsagainst Cowpea Bruchids (Callosobruchus maculatus) Using Neem and Moringa Seed Oils

Ilesanmi

Gungula

2010

International Journal of Agronomy

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This study was conducted to determine the effects of neem (Azadirachta indica A. Juss) and moringa (Moringa oleifera) seed oils on the storability of cowpea grain. Cowpea samples were treated with various concentrations (0.5, 1.0, and 1.5 mL/200 g cowpea) of pure neem and moringa oils and their mixtures in ratios of 1:1, 1:2, and 1:3. The treated cowpea samples were stored for 180 days. Data were collected every 30 days on number of eggs laid, total weevil population, and percentage of uninfested grains and analysed statistically. Significantly different means were compared using LSD at P < .05. Increasing oil concentration resulted in better cowpea protection, for example, in oviposition where the control had 6513 eggs, only 8 eggs were recorded in pure neem oil-treated sample at 0.5 mL/200 g. Generally, better results were obtained with higher oil concentrations either in their pure forms or mixtures. The control had a total weevil population of 4988, while most treated samples had none. The control samples had 0% uninfested grains, while 73-94% of uninfested grains were observed in treated samples after 6 months of storage. Therefore, mixture of the oils at 1.5 mL/200 g can be effectively used to store cowpea.

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Section: Discussionsupporting

confidence: 91%

Section: Methodsmentioning

confidence: 99%

Preservation of Cowpea (Vigna unguiculata(L.) Walp)Grainsagainst Cowpea Bruchids (Callosobruchus maculatus) Using Neem and Moringa Seed Oils

Ilesanmi

Gungula

2010

International Journal of Agronomy

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“…The new adults. that emerged were kept in separate jars according to their age until when required (Aliyu and Ahmed, 2006).…”

Section: Materialsand Methodsmentioning

confidence: 99%

“…Details of how the above parameters were assessed are as follows:Eggs laid were counted with the aid of hand lens at 14 days after treatment (DAT) when all the introduced . adult insects had died (Aliyu and Ahmed, 2006). Measurement of adult mortality started from the first day of application of treatments on the adult insects and continued at subsequent days until all insects had died.…”

Section: Materialsand Methodsmentioning

confidence: 99%

Laboratory Evaluation of Insecticidal Potentials of Kane Plant (Anogeissus leiocarpus Guil and Perr) for the Control of Bambara Groundnut Weevil (Callosobruchus subinnotatus Pic.) on Stored Bambara Groundnut ( Vigna subterranean (L.)Verdcourt)

ABDUWALAL,

AHMED,

YUSUF

et al. 2012

NJE

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Laboratory experiment was conducted during the year 2010 to evaluate the insecticidal potentials of different parts of Kane plant, Anogeissus leiocaipus Guil and Perri (leaves, stem and root barks), compare their efficacy with conventional insecticide (pirimiphos-methyl) and determine the concentration/rate that is effective in the control of damage caused by Bambara groundnut weevil, Callosobruchus subinnotatus Pic. on stored grains of Barn bar a ground nut (Vigna subterranae (L.) Verd.). The different parts of the plant materials were tested in powdered form at three different concentrations viz: 1, 3 and 5g/100g grain while the synthetic insecticide was applied at the recommended rate of 0.25g/100gseed. The experiment was laid out in a completely randomized design with each treatment replicated three times. The result shows that root bark at 1g/100g grain was the most effective in reducing oviposition (10.78) thereby bringing about a significant reduction in adult emergence (4.72), number of emergence holes (4.72), mortality (4.69) at 3 days after treatment (DAT) and grain damage (3 .07) while it competed favorably with the synthetic insecticide (pirimiphos-methyl). A significantly higher mortality of 2.89 and 2.89 in the first generation progeny was recorded in the leaf treated grains at 60 and 90 DAT, respectively. All the three different plant parts did not exhibit any significant negative effect on viability of the seeds tested. The stem bark and the leaves proved equal in efficacy to the root lark only at the highest rate/concentrations of 5g/100g grain. Based on the results of the experiments conducted, applications of the root bark of A. lelocarpus at the rate of 1- 5g/100g grain is recommended for an effective, cheap and safe protection of V. subterranean grains against damage caused by C. subinnotatus in storage.

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“…Cowpea cultivation is suffering from insect pest and disease damage which leads to monetary losses (Singh, et al, 1997). The cowpea weevils, Callosobruchus maculatus are the number one insect inflicting losses on saved cowpea in West Africa (Aliyu and Ahmed, 2006).…”

Section: Introductionmentioning

confidence: 99%

Effects of Callosobruchus maculatus Infestation on the Proximate Composition of Cowpea (Vigna unguiculata L.) Sold in Lapai Market

Gabi

Salihu

Hamza

et al. 2022

USci

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Cowpea damage caused by pest infestation is a major challenge to farmers and traders in Nigeria which request urgent response. This research is aimed primarily to evaluate the proximate composition and degree of infestation effect on cowpea (Vigna unguiculata L. Walp) nutrients. The samples of cowpea were randomly collected in the Lapai market, refrigerated for a week to stop insect action and were separated into two categories, non-infestation (sample without exit hole) and infestation (samples with one, two and three exit holes), Samples were subjected to proximate composition and statistical analyses for variation in nutrient. Results show a rise in protein and moisture content in the sample without infestation. But shows a decrease in Carbohydrate, Fat, Fibre and Ash content in non-infested samples. For the infested sample, infestation leads to significant deterioration of nutrients of food products developed from cowpeas. The current result shows that pest infestations reduced nutritional benefits as a protein source in livestock and human diets.

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Comparative efficacy of different rates of groundnut oil for the control of cowpea weevils <i>callosobruchus maculatus</i> (F.) in stored cowpea (<i>Vigna unguiculata (L) walp </i>)

Cited by 4 publications

References 0 publications

Preservation of Cowpea (Vigna unguiculata(L.) Walp)Grainsagainst Cowpea Bruchids (Callosobruchus maculatus) Using Neem and Moringa Seed Oils

Preservation of Cowpea (Vigna unguiculata(L.) Walp)Grainsagainst Cowpea Bruchids (Callosobruchus maculatus) Using Neem and Moringa Seed Oils

Laboratory Evaluation of Insecticidal Potentials of Kane Plant (Anogeissus leiocarpus Guil and Perr) for the Control of Bambara Groundnut Weevil (Callosobruchus subinnotatus Pic.) on Stored Bambara Groundnut ( Vigna subterranean (L.)Verdcourt)

Effects of Callosobruchus maculatus Infestation on the Proximate Composition of Cowpea (Vigna unguiculata L.) Sold in Lapai Market

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