Table of ContentsApproval iiDedication iiiAcknowledgement ivAcronyms vTable of contents viList of tables vList of figures viAbstract vii1.0.Introduction 11.1. Background 11.2. problem statement 21.3. Objectives 21.4. hypothesis 2Literature review 3Description of Tephrosia vogelii 3Uses of Tephrosia vogelii 3Insecticidal components of Tephrosia crude extracts 3Variation of Tephrosia vogelii chemistry 4Potential benefit of Tephrosia vogelii to the farmers 43.0. Materials and Methods 53.1. Sit...