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[Edited_by_A._Ciancio,_C.N.R.,_Bari,_Italy_and_K.(Bookos.org)

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CONTENTS<br />

xi<br />

5.3. Defense Genes in Plants ..................................................................... 199<br />

5.4. Tri-Trophic Plant Signalling .............................................................. 201<br />

Conclusions ................................................................................................... 203<br />

References ..................................................................................................... 205<br />

9 IPM of the Red Palm Weevil, Rhynchophorus ferrugineus ...................... 209<br />

Mohamed Samir Tawfik Abbas<br />

1. Introduction ............................................................................................... 209<br />

2. Habitat, Infestation <strong>and</strong> Damage ............................................................... 210<br />

2.1. Infestation Spreading.......................................................................... 210<br />

3. Biology ...................................................................................................... 211<br />

3.1. Morphological Characters .................................................................. 211<br />

3.2. Life Cycle ........................................................................................... 211<br />

3.2.1. Oviposition ............................................................................... 211<br />

3.2.2. Feeding ..................................................................................... 212<br />

3.2.3. Locomotion .............................................................................. 214<br />

4. Natural Enemies ........................................................................................ 214<br />

4.1. Parasitoids .......................................................................................... 214<br />

4.2. Predators ............................................................................................. 215<br />

4.3. Pathogens ........................................................................................... 215<br />

4.4. Nematodes .......................................................................................... 216<br />

5. Control ....................................................................................................... 216<br />

5.1. Chemicals ........................................................................................... 216<br />

5.1.1. Spraying.................................................................................... 216<br />

5.1.2. Injection .................................................................................... 217<br />

5.2. Aggregation Pheromone Traps ........................................................... 218<br />

5.2.1. Trap Design <strong>and</strong> Components .................................................. 218<br />

5.2.2. Trap Installation ....................................................................... 219<br />

5.2.3. Density of Traps ....................................................................... 219<br />

5.2.4. Utilization of Pheromone Traps ............................................... 220<br />

5.2.4.1. Traps Efficiency .......................................................... 220<br />

5.2.4.2. Estimating RPW Population Fluctuations ................... 222<br />

5.2.4.3. Estimating Reduction of RPW Populations ................. 222<br />

5.2.4.4. Estimating Sex Ratios ................................................. 223<br />

5.3. Entomopathogenic Nematodes .......................................................... 224<br />

5.3.1. Pathogenicity to RPW .............................................................. 224<br />

5.3.2. Field trials ................................................................................. 226<br />

5.3.3.1. Injection of Nematodes ............................................... 226<br />

5.3.3.2. Spraying Nematodes .................................................... 227<br />

Trunk Spraying ........................................................... 227<br />

5.4. Soil Treatments .................................................................................. 228<br />

5.5. Semi-Field Trials ................................................................................. 229<br />

References ..................................................................................................... 230

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