| Acknowledgement | 第4-8页 |
| Abstract | 第8-9页 |
| 摘要 | 第10-12页 |
| Chapter 1 Literature review | 第12-24页 |
| 1 Losses caused by plant parasitic nematodes | 第12-13页 |
| 2 Molecular identification of plant parasitic nematodes | 第13-18页 |
| 2.1 Molecular diagnostics | 第14页 |
| 2.2 Genomic DNA based methods | 第14-17页 |
| 2.3 Combining morphological and molecular data | 第17-18页 |
| 3 Biodiversity of plant parasitic nematodes associated with woody plants | 第18-19页 |
| 4 Effects of seasonal fluctuations on the population dynamics of plant parasiticnematodes | 第19-20页 |
| 5 Effects of soil physiochemical properties on soil nematode communities | 第20-22页 |
| 6 Nematodes as soil health indicators | 第22-24页 |
| Chapter 2 Morphological and molecular identification of plant parasitic nematodesassociated with Pinaceae plants | 第24-120页 |
| 1 Introduction | 第24-25页 |
| 2 Material and methods | 第25-27页 |
| 2.1 Resources | 第25页 |
| 2.2 Soil sampling and nematode extraction | 第25页 |
| 2.3 Morphological studies | 第25-26页 |
| 2.4 Molecular studies | 第26-27页 |
| 3 Results | 第27-115页 |
| 4 Discussion | 第115-120页 |
| Chapter 3:Effects of seasonal fluctuation and soil physiochemical properties onpopulation dynamics of plant parasitic and other trophic groups of nematodes | 第120-142页 |
| 1 Introduction | 第120-121页 |
| 2 Materials and methods | 第121-123页 |
| 2.1 Sampling site | 第121页 |
| 2.2 Soil samplings and nematode extraction | 第121-122页 |
| 2.3 Soil analysis | 第122页 |
| 2.4 Statistical analysis | 第122页 |
| 2.5 Nematode trophic group and community analysis | 第122-123页 |
| 3 Results | 第123-138页 |
| 3.1 Effect of seasons on prevalence and density of plant parasitic nematodes | 第123-126页 |
| 3.2 Effect of seasons on the population dynamics of PPN | 第126-128页 |
| 3.3 Effect of seasons on the nematode trophic groups and diversity indices | 第128-134页 |
| 3.4 Soil physiochemical properties related to each tree species | 第134-136页 |
| 3.5 Co-relation of soil physiochemical properties with nematode trophic groups | 第136-138页 |
| 4 Discussion | 第138-142页 |
| Conclusion | 第142-144页 |
| Highlights | 第144页 |
| Future directions | 第144-146页 |
| References | 第146-172页 |
| Publications | 第172页 |
