| ABSTRACT | 第6-7页 |
| 摘要 | 第8-13页 |
| CHAPTER Ⅰ GENERAL INTRODUCTION | 第13-30页 |
| 1.1 INTRODUCTION | 第13-14页 |
| 1.2 IMPORTANCE OF WHITEFLY, BEMISIA TABACI | 第14-24页 |
| 1.2.1 Host plants of Bemisia tabaci | 第14-23页 |
| 1.2.2 Problems associated to Bemisia tabaci infestation in crop production | 第23页 |
| 1.2.3 Problems related to the control of Bemisia tabaci | 第23-24页 |
| 1.3 VOLATILE ORGANIC COMPOUNDS | 第24-28页 |
| 1.3.1 Impact of plant volatiles on herbivorous insects | 第26页 |
| 1.3.2 Impact of herbivore induced volatiles on the infestation behavior ofphytophagous insects | 第26-27页 |
| 1.3.3 Impact of nitrogen on volatile production which influence on host plantselection of herbivorous insects | 第27-28页 |
| 1.4 SIGNIFICANCE AND APPLICATION OF THIS STUDY | 第28-29页 |
| 1.5 VIEWPOINT AND AIMS OF THIS STUDY | 第29-30页 |
| CHAPTER Ⅱ VOLATILE ORGANIC COMPOUNDS OF EGGPLANT, TOMATOAND SWEET PEPPER AFFECT HOST PLANT SELECTION OF BEMISIA TABACI(HEMIPTERA:ALEYRODIDAE) | 第30-49页 |
| 2.1 INTRODUCTION | 第31-32页 |
| 2.2 MATERIALS AND METHODS | 第32-36页 |
| 2.2.1 Host plants | 第32-33页 |
| 2.2.2 Insect rearing | 第33页 |
| 2.2.3 Chemicals | 第33页 |
| 2.2.4 Wind tunnel bioassays | 第33-34页 |
| 2.2.5 Olfactory preference test of Bemisia tabaci with Y-tube olfactometer | 第34-35页 |
| 2.2.6 Volatile chemicals collection technique from plants | 第35页 |
| 2.2.7 Analyses of volatile chemicals | 第35-36页 |
| 2.2.8 Data analysis | 第36页 |
| 2.3 RESULTS | 第36-45页 |
| 2.3.1 Wind tunnel choice test | 第36-38页 |
| 2.3.2 Y-tube olfactometer test | 第38-42页 |
| 2.3.3 Volatile organic compounds released from eggplant, tomato and sweet pepper | 第42-45页 |
| 2.4 DISCUSSIONS | 第45-48页 |
| 2.5 CONCLUSIONS | 第48-49页 |
| CHAPTER Ⅲ SINGLE AND MULTIPLE HERBIVORE-INDUCED VOLATILESREDUCE THE ATTRACTIVENESS OF TOMATO PLANTS TO BEMISIA TABACI(HEMIPTERA: ALEYRODIDAE) | 第49-71页 |
| 3.1 INTRODUCTION | 第50-52页 |
| 3.2 MATERIALS AND METHODS | 第52-59页 |
| 3.2.1 Host plants | 第52页 |
| 3.2.2 Insect rearing | 第52-53页 |
| 3.2.3 Chemicals | 第53页 |
| 3.2.4 Pre-infestation of host plants | 第53页 |
| 3.2.5 Free-choice bioassay of Bemisia tabaci with healthy and infested tomato plants | 第53-54页 |
| 3.2.6 Y-tube bioassays of Bemisia tabaci responses to olfactory cues | 第54-55页 |
| 3.2.7 Repellency synthetic volatile chemicals added on healthy tomato plant toBemisia tabaci | 第55-56页 |
| 3.2.8 Volatile chemicals collection procedure | 第56页 |
| 3.2.9 Analysis of volatile compounds | 第56-59页 |
| 3.2.10 Statistical analyses | 第59页 |
| 3.3 RESULTS | 第59-66页 |
| 3.3.1 Free-choice bioassay of Bemisia tabaci among healthy and infested tomatoplants | 第59-60页 |
| 3.3.2 Olfactory responses of Bemisia tabaci to healthy and infested tomato plantvolatiles, extracted plant volatiles and synthetic volatile components | 第60-63页 |
| 3.3.3 Responses of Bemisia tabaci to synthetic volatile components added on healthytomato plant | 第63-64页 |
| 3.3.4 Collection and identification of volatiles | 第64-66页 |
| 3.4 DISCUSSION | 第66-70页 |
| 3.5 CONCLUSIONS | 第70-71页 |
| CHAPTER Ⅳ HIGH LEVEL OF NITROGEN MAKES TOMATO PLANTSRELEASING LESS VOLATILES AND ATTRACTING MORE BEMISIA TABACI(HEMIPTERA:ALEYRODIDAE) | 第71-93页 |
| 4.1 INTRODUCTION | 第71-73页 |
| 4.2 MATERIALS AND METHODS | 第73-81页 |
| 4.2.1 Plant growth and fertilization | 第73-75页 |
| 4.2.2 Insect rearing | 第75页 |
| 4.2.3 Wind tunnel bioassays | 第75-76页 |
| 4.2.4 Olfactory choice test with Y-tube olfactometer | 第76-77页 |
| 4.2.5 Determination of nitrogen from tomato plants | 第77页 |
| 4.2.6 Volatile compound collection from nitrogen applied tomato plants | 第77-78页 |
| 4.2.7 Analysis of volatile compounds | 第78-81页 |
| 4.2.8 Statistical analyses | 第81页 |
| 4.3 RESULTS | 第81-88页 |
| 4.3.1 Two-way choice tests conducted in a wind tunnel | 第81-83页 |
| 4.3.2 Olfactory bioassay with Y-tube olfactometer | 第83-84页 |
| 4.3.3 Amounts of nitrogen in tomato plants | 第84-85页 |
| 4.3.4 Volatile organic compounds identified from intact tomato plants afterapplication of different levels of nitrogen, quantity of volatile constituents andcorrelation between nitrogen levels | 第85-88页 |
| 4.4 DISCUSSION | 第88-91页 |
| 4.5 CONCLUSIONS | 第91-93页 |
| LITERATURES CITED | 第93-112页 |
| ACKNOWLEDGEMENTS | 第112-114页 |
| AUTHOR'S PROFILE | 第114-115页 |
| LIST OF PUBLICATIONS RELATED TO THIS DEGREE | 第115页 |
