| ACKNOWLEDGEMENTS | 第1-10页 |
| ABSTRACT | 第10-13页 |
| 摘要 | 第13-15页 |
| Chapter One Introduction | 第15-19页 |
| Chapter Two Literature review | 第19-36页 |
| ·History of rice cultivation | 第20-21页 |
| ·Insect pests of rice | 第21-24页 |
| ·Rice leaf folder and brown plant hopper | 第22-23页 |
| ·Insect Damage | 第23-24页 |
| ·Insecticides research on BPH and LF | 第24-25页 |
| ·Fipronil (Regent) insecticide | 第25-30页 |
| ·Fipronil residues in food | 第28-29页 |
| ·Fipronil residue in water and soil of rice fields | 第29-30页 |
| ·Resistance and cross resistance | 第30-31页 |
| ·Sustainable agriculture | 第31-32页 |
| ·Environmental fate | 第32-33页 |
| ·Human health impacts | 第33-36页 |
| Chapter Three Material and Methods | 第36-45页 |
| ·Location | 第37页 |
| ·Materials | 第37-38页 |
| ·Rice Varity | 第37页 |
| ·Insects | 第37页 |
| ·Pesticides | 第37-38页 |
| ·Methods | 第38-45页 |
| ·Treatments and designs of experiment | 第38-39页 |
| ·Experiment in rice fields | 第38页 |
| ·The Experiments in the lab | 第38-39页 |
| ·Calculation of control efficacy against C.medinalis | 第39-40页 |
| ·Control efficacy against BPH | 第40页 |
| ·Determination of fipronil residue and impacts on physiology and Biochemistry in potted rice plants | 第40-44页 |
| ·Determination of fipronil residue | 第40-41页 |
| ·Determination of reducing sugar | 第41-43页 |
| ·Determination of oxalic acid | 第43页 |
| ·Determination of glutathione-S-transferase (GSTS) | 第43-44页 |
| ·Statistical Analysis | 第44-45页 |
| Chapter Four Results | 第45-65页 |
| ·Effect of different treatments on control efficacy of BPH in the lab | 第46-49页 |
| ·Comparison of control efficacy of different treatments under the Field experiment | 第49-55页 |
| ·Comparison of control efficacy of different treatments against C.medinalis | 第49页 |
| ·Comparison of control efficacy of different treatments against BPH | 第49-55页 |
| ·Comparison of residual content of regent in rice plants following different treatments | 第55页 |
| ·Effect of different treatments on the reducing sugar in rice plants | 第55-60页 |
| ·Effect of different treatments on the oxalic acid in rice plants | 第60-62页 |
| ·Effect of different treatments on the glutathione-S-transferase (GSTS) in Rice plants | 第62-65页 |
| Chapter Five Discussion | 第65-72页 |
| ·Effect of control efficacy of different treatments against BPH in the lab Experiments | 第66-68页 |
| ·Comparison of control efficacy of different treatments against C. medinalis | 第68-69页 |
| ·Effects of insecticides on biochemical substances in rice plants | 第69-72页 |
| Chapter six Summary and conclusion | 第72-76页 |
| References | 第76-83页 |
