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

Table of Contents

Approval ii

Dedication iii

Acknowledgement iv

Acronyms v

Table of contents vi

List of tables v

List of figures vi

Abstract vii

1.0.Introduction 1

1.1. Background 1

1.2. problem statement 2

1.3. Objectives 2

1.4. hypothesis 2

Literature review 3

Description of Tephrosia vogelii 3

Uses of Tephrosia vogelii 3

Insecticidal components of Tephrosia crude extracts 3

Variation of Tephrosia vogelii chemistry 4

Potential benefit of Tephrosia vogelii to the farmers 4

3.0. Materials and Methods 5

3.1. Site 5

3.2. Plant materials 5

3.3. Insect materials 5

3.4 Plant extract 5

3.5. Bioassay 6

3.6 Experiment laboratory design and layout 6

3.7 Statistic analysis 8

3.7.1. Statistical model 8 8

4.0. Results and Discussions 9

4.1 Results 9

4.2 Discussion 12

5.0 Conclusion 14

6.0 Recommendation 14

7.0Reference 15

8.0 Appendices…………………………………………………………………………………. 18

Read Download