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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- Landmark University, Omu-Aran, Kwara State 1
- Lead City University, Ibadan, Oyo State 1
- Lens Polytechnic, offa, Kwara State. 215
- Madonna University, Elele, Rivers State 20
- Madonna University, Okija, Anambra State 2
- Mcpherson University, Seriki Sotayo, Ogun State 1
- Michael and Cecilia Ibru University, Owhrode, Delta State 1
- Michael Okpara University of Agriculture, Umudike 43
- Michael Otedola Col of Primary Educ. Epe, Lagos (affl To University of Ibadan) 8
- Modibbo Adama University, Yola, Adamawa State 15