Entomocidal Activity of Psidium Guajava L. Stem Bark Against Callosobruchus Maculatus Fabricius (coleoptera: Bruchidae) Infesting Stored Cowpea Seeds
Student: Oluwatimileyin Isiaq Olaobaju (Project, 2025)
Department of Plant Science and Biotechnology
Ekiti State University, Ado-Ekiti, Ekiti State
Abstract
This study was conducted in the laboratory to evaluate the toxicity of Psidium guajava stem bark extracts and powders against Callosobruchus maculatus infesting stored cowpea seeds. The powder stem bark powder was extracted with ethanol, at 60oC, using Soxhlet extractor. The extract was treated on the cowpea seeds at the dosage of 0.5, 1.0, 1.5 and 2.0 mL/20g while the powder was treated at 0.5, 1.0, 1.5 and 2.0g/20g. Data were obtained from insect mortality, oviposition and adult emergence. All plant powders and extracts significantly (P
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For the full publication, please contact the author directly at: pamilerinolaobaju@gmail.com
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- Federal University of Technology, Minna, Niger State 47
- Federal University of Technology, Owerri, Imo State 95
- Federal University Oye-Ekiti, Ekiti State 41
- Federal University, Birnin-Kebbi, Kebbi State 37
- Federal University, Dutse, Jigawa State 6
- Federal University, Dutsin-Ma, Katsina State 63
- Federal University, Gashua, Yobe State 3
- Federal University, Gusau, Zamfara State 14
- Federal University, Kashere, Gombe State 1
- Federal University, Lafia, Nasarawa State 6