Breeding for Disease Resistance

1. General comments about breeding for resistance; R. Johnson. 2. Use of gene banks and short accounts of several diseases in different crops; N.L. Innes, J.T. Fletcher. 3. Requirement for multiple resistance in a single crop; J.G. Jellis. 4. Several diseases and possible mechanisms; B. Williamson. 5. Association of resistance with biochemical mechanisms; R. Mithen. 6. Parasitic plant resistance and mechanism; A. Lane, J.A. Bailey. 7. In depth study of single disease; I.R. Crute. 8. Durable and non-durable resistance to a class of diseases (rusts of wheat); R.A. McIntosh. 9. Durable and non-durable resistance to a single disease (rice blast); J.M. Bonman. 10. Pathogen variation; B. Valent. 11. Pathogen variation relating to another single disease (barley powdery mildew); M.S. Wolfe, et al. 12. A single gene for durable resistance still effective (barley powdery mildew); J.H. Jorgensen. 13. A single gene that was durable but finally became ineffective (barley stem rust); B.J. Steffenson. 14. Another example, for a virus disease, of resistance that lasted and then became ineffective; D.A.C. Pink. 15. Resistance to several virus diseases; R.S.S. Fraser. 16. Genetic transformation to virus resistance of potatoes; M.J. Huisman.