| Acknowledgement | 第7-9页 |
| 摘要 | 第9-10页 |
| Abstract | 第10-11页 |
| Chap 1: General Introduction and Problem statement | 第14-17页 |
| 1.1 General Introduction | 第14-15页 |
| 1.2 Problem Statement | 第15-16页 |
| 1.3 Main Objective | 第16页 |
| 1.4 Specific Objectives | 第16页 |
| 1.5 Expected output | 第16-17页 |
| Chap 2: Literature Review | 第17-29页 |
| 2.1 Introduction to Molecular taxonomy | 第17页 |
| 2.2 DNA Taxonomy | 第17-20页 |
| 2.2.1 DNA barcoding‘s discovery | 第17-18页 |
| 2.2.2 Barcoding Gap | 第18页 |
| 2.2.3 Pros and cons arguments associated with DNA barcoding use | 第18-20页 |
| 2.3 White Grubs | 第20页 |
| 2.4 Integrated pest Management of soil Insect Pests | 第20-29页 |
| 2.4.1 Preventive control measures | 第20-23页 |
| 2.4.2 Direct control | 第23-29页 |
| Chap 3: DNA barcoding, a promising tool to associate larval stage soil insect pests(Coleoptera: Scarabaeidae) with morphologically identified adults | 第29-44页 |
| 3.1 Introduction | 第29-31页 |
| 3.2 Materials and Methods | 第31-33页 |
| 3.2.1 Sample Collection | 第31-33页 |
| 3.2.2 Molecular protocol for identifying adults and larvae | 第33页 |
| 3.3 Data analysis | 第33-34页 |
| 3.4 Results | 第34-39页 |
| 3.4.1 Species occurrence and distribution | 第34-37页 |
| 3.4.2 Taxonomic assignments and NJ tree structure | 第37-38页 |
| 3.4.3 Coalescent-based species delimitation by the single threshold GMYC model | 第38-39页 |
| 3.5 Determination of genetic divergence | 第39-41页 |
| 3.6 Discussion and Conclusion | 第41-44页 |
| 3.6.1 Species occurrence | 第41-42页 |
| 3.6.2 Associating white grub larvae with adults coupled with an assessment ofthe barcoding gap | 第42-44页 |
| Acknowledgements | 第44页 |
| Chap 4: Soil Insect Pests of Crops and their Integrated Management in East Africa | 第44-67页 |
| 4.1 Introduction | 第45-46页 |
| 4.2 Materials and methods | 第46-47页 |
| 4.3 Results | 第47-60页 |
| 4.3.1 Soil insect pests occurring in the selected East African countries | 第47-51页 |
| 4.3.2 Integrated Pest Management for Key Soil Insect Pests in East Africa | 第51-58页 |
| 4.3.3 Ratification to the International Pesticide Agreements | 第58-60页 |
| 4.4 Discussion | 第60-65页 |
| 4.4.1 Occurrence of Soil Insect Pests in the Selected East African Countries | 第60-62页 |
| 4.4.2 Proposed Management Strategies for Current Soil Insect Pests for EastAfrican countries | 第62-65页 |
| 4.4.3 Ratification to Pesticide Agreements | 第65页 |
| 4.5 Conclusion | 第65-66页 |
| Acknowledgements | 第66-67页 |
| References | 第67-90页 |
| Identification Status | 第90页 |
