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All Journal Asian Journal of Science, Technology, Engineering, and Art Kwaghe International Journal of Sciences and Technology Open Access DRIVERset
Samaila, Danjuma
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Agriculture, Biological Sciences & Forestry Arts Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences

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Health Risk Assessment of Pesticide Residue in Millet, Maize, Sorghum and Rice Cultivated in Wukari, Nigeria Imbasire, Nuhu; Raphael, Odoh; Asabe, Magomya M.; Ogu, Odiba Emmanuel; Samaila, Danjuma; Tutuwa, Adamu Nashuka; Patience, Jonathan; Agbu, Tsoken Danji; Shingu, Jesse Polly
Asian Journal of Science, Technology, Engineering, and Art Vol 3 No 3 (2025): Asian Journal of Science, Technology, Engineering, and Art
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajstea.v3i3.5942

Abstract

The widespread application of pesticides in agriculture has raised global concerns about the accumulation of chemical residues in staple food crops and their implications for human health. This study quantitatively assessed the health risks associated with pesticide residues in millet, sorghum, and rice cultivated in Wukari, Nigeria. Using a cross-sectional design, grain samples were systematically collected from local farms and analyzed through gas chromatography–mass spectrometry (GC-MS) to identify and quantify residual pesticides. Detected compounds included organophosphates, carbamates, and pyrethroids, with variable concentrations across crop types. Health risk assessments were conducted by calculating the Estimated Daily Intake (EDI), Hazard Quotient (HQ), and Health Risk Index (HRI) for each pesticide, and comparing these values with the Maximum Residue Limits (MRLs) established by international regulatory bodies such as the FAO/WHO Codex Alimentarius. The results indicated that multiple pesticide residues exceeded permissible thresholds, with HQ and HRI values surpassing 1 in several cases, suggesting potential non-carcinogenic health risks, especially for sensitive groups including children and pregnant women. These elevated values are likely attributable to the extensive and often unregulated use of pesticides during cultivation and post-harvest storage, leading to bioaccumulation in the grains. The findings underscore the urgent need for regulatory enforcement, public health surveillance, and farmer education to mitigate dietary exposure to hazardous residues in commonly consumed cereals.
Evaluation of the Effect of Pre-Germination Treatment on Delonix Regia Seeds Ogu, Odiba Emmanuel; Joshua, Efi Uwhe; Haruna, David Ephraim; Samaila, Danjuma; Hannah, Nuhu Tubasen; Patricia, Okonofua Eghe; Rebecca, Ayodele; David, Bando Christopher
Kwaghe International Journal of Sciences and Technology Vol 1 No 1 (2024): Kwaghe International Journal of Sciences and Technology
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/kijst.v1i1.3292

Abstract

Delonix regia (Flamboyant) is a multipurpose tree species indigenous to semi-arid regions of Sub-Saharan Africa. It is being exploited to local extinction due to high dependence for fuel wood and other uses. The present study explored different pre-treatment methods for enhancing seed germination and growth of Delonix regia (Flamboyant) in Taraba State, Northern Nigeria. The experiment employed a 4 × 4 factorial design with seeds subjected to four pre-treatments (50% sulphuric acid concentration, 98% sulphuric acid concentration, cold water and hot water) at four pre-treatment time durations. Number of germination and plant height varied significantly between pre-treatments with cold water treatment recording the highest plant height (3.5cm) and the 98% sulphuric acid concentration recording the least (1.3cm). Germination rate had a moderate positive relationship with plant height. The study recommends seed immersion in cold water for 48 h as the most efficient pre-treatment for Delonix regia (Flamboyant).
Evaluation of the Effect of Pre-Germination Treatment on Delonix Regia Seeds Ogu, Odiba Emmanuel; Joshua, Efi Uwhe; Haruna, David Ephraim; Samaila, Danjuma; Hannah, Nuhu Tubasen; Patricia, Okonofua Eghe; Rebecca, Ayodele; David, Bando Christopher
Kwaghe International Journal of Sciences and Technology Vol 1 No 1 (2024): Kwaghe International Journal of Sciences and Technology
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/kijst.v1i1.3292

Abstract

Delonix regia (Flamboyant) is a multipurpose tree species indigenous to semi-arid regions of Sub-Saharan Africa. It is being exploited to local extinction due to high dependence for fuel wood and other uses. The present study explored different pre-treatment methods for enhancing seed germination and growth of Delonix regia (Flamboyant) in Taraba State, Northern Nigeria. The experiment employed a 4 × 4 factorial design with seeds subjected to four pre-treatments (50% sulphuric acid concentration, 98% sulphuric acid concentration, cold water and hot water) at four pre-treatment time durations. Number of germination and plant height varied significantly between pre-treatments with cold water treatment recording the highest plant height (3.5cm) and the 98% sulphuric acid concentration recording the least (1.3cm). Germination rate had a moderate positive relationship with plant height. The study recommends seed immersion in cold water for 48 h as the most efficient pre-treatment for Delonix regia (Flamboyant).
Co-Authors Agbu, Tsoken Danji Asabe, Magomya M. David, Bando Christopher Hannah, Nuhu Tubasen Haruna, David Ephraim Imbasire, Nuhu Joshua, Efi Uwhe Ogu, Odiba Emmanuel Patience, Jonathan Patricia, Okonofua Eghe Raphael, Odoh Rebecca, Ayodele Shingu, Jesse Polly Tutuwa, Adamu Nashuka