Residual Efficacy of Tephrosia Vogelii on Diamond-Back Moth Plutella xylostella L. (Lepidoptera: Plutellidae).

Table of Contents Approvalii Dedication iii Acknowledgementiv Acronymsv Table of contentsvi List of tablesv List of figuresvi Abstract vii
1.0.Introduction1 1.1. Background1 1.2. problem statement2 1.3. Objectives2 1.4. hypothesis2
Literature review3 Description of Tephrosia vogelii3 Uses of Tephrosia vogelii3 Insecticidal components of Tephrosia crude extracts3 Variation of Tephrosia vogelii chemistry4 Potential benefit of Tephrosia vogelii to the farmers4
3.0. Materials and Methods5 3.1. Site5 3.2. Plant materials5 3.3. Insect materials5 3.4 Plant extract5 3.5. Bioassay 6 3.6  Experiment laboratory design and layout6 3.7 Statistic  analysis8 3.7.1. Statistical model88
4.0. Results and Discussions 9 4.1 Results9 4.2 Discussion12
5.0 Conclusion14
6.0 Recommendation14
7.0Reference 15
8.0 Appendices…………………………………………………………………………………. 18