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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- Covenant Polytechnic, Aba, Abia State 1
- Covenant University, Canaan Land, Ota, Ogun State 4
- Crawford University of Apostolic Faith Mission Faith City, Igbesa, Ogun State 2
- Crescent University, Abeokuta, Ogun State 1
- Cross Rivers University of Technology, Calabar, Cross Rivers State 142
- Delta State Polytechnic, Ogwashi-Uku, Delta State 11
- Delta State Polytechnic, Otefe, Delta State 12
- Delta State University, Abraka, Delta State 139
- Ebonyi State University, Abakaliki, Ebonyi State 17
- Edo University, Iyamho, Edo State 10