Preface. Contributors. Part A. General Aspects. 1. Applied aspects of induced resistance to plant virus infection; J.F. Murphy. 2. Viral determinants of resistance versus susceptibility; J.E. Schoelz. 3. RNA silencing: a natural resistance mechanism in plants; E. Bucher, M. Prins. 4. Recognition and signal transduction associated with R gene-mediated resistance; J.J. Caplan, S.P. Dinesh-Kumar. 5. The local lesion response; G. Loebenstein, F. Akad. 6. Induced resistance mechanisms; A. Gilliland et al. 7. Host gene-mediated virus resistance mechanisms and signaling in Arabidopsis; P. Kachroo. 8. Viral counter-defense molecules; P. Palukaitis, S. MacFarlane. 9. Dark green islands; the phenomenon; C.J. Moore, R.M. MacDiarmid. 10. Resistance to infection; G. Bruening. 11. Reducing virus associated crop loss through resistance to insect vectors; M.A. Mutschler, W.M. Wintermantel. 12. Cross-protection; A. Gal-on, Y.M. Shiboleth. 13. Arrest in viral transport as basis for plant resistance to infection; S. Ueki, V. Citovsky. 14. Plant metabolism associated with resistance and susceptibility; M. Handford, J.P. Carr. Part B. Crop Related. 1. Resistance to viruses in potato; H. Barker, M.F.B. Dale. 2. Common beans; F.J. Morales. 3. Virus susceptibility and resistance in lettuce; T. Candresse et al. 4. Resistance to tobacco mosaic virus and tomato mosaic virus in tomato; A.J.P. Pfitzner. 5. Resistance to Turnip mosaic virus in the Brassicaceae; J.A. Walsh, C.E. Jenner. 6. Virus resistance in rice; D. Fargette et al. 7. Cassava; G. Thottappilly et al. 8. Natural resistance mechanisms to viruses in barley; M.C. Edwards et al. 9. Resistance to tomato yellow leaf curl virus in tomato; M. Lapidot, J.E. Polston.