Contents -- Acknowledgments -- Introduction -- Part One: Explanations -- 1. Genetics: Biometricians and Mendelians -- 2. Plant Breeding: Pedigree Breeding and Population Crossing -- 3. Resistance: Vertical and Horizontal -- 4. Infection: Allo-Infection and Auto-Infection -- 5. Host-Parasite Interaction: Matching and Non-Matching -- 6. Epidemics: Discontinuous and Continuous -- 7. Populations: Genetically Uniform and Genetically Diverse -- 8. Response to Selection Pressure: Genetic Flexibility and Inflexibility -- 9. Damage: Frequency and Injury -- 10. Pathosystems: Wild Plants and Crops -- 11. The Disadvantages of Vertical Resistance -- 12. Horizontal Resistance Compared -- 13. The Erosion of Horizontal Resistance -- 14. Three Sources of Error -- 15. The Disadvantages of Crop Protection Chemicals -- 16. So How Did Things Get So Out of Hand? -- 17. Cultivar Cartels -- Part Two: Examples -- 18. A Short History of Potato Parasites -- Introduction -- Potato Blight -- Forty Years of Blight Damage -- Bordeaux Mixture -- Forty Years of Bordeaux Mixture -- Forty Years of Scientific Potato Breeding -- Sex in the Blight Fungus -- Tuber-Borne Diseases of Potato -- Potato Breeding in Mexico -- Potato Breeding in Scotland -- Colorado Beetle -- 19. Why Did the Green Revolution Run Out of Steam? -- Dwarf Varieties -- International Research Centres -- Secondary Problems in the Green Revolution -- No New Green Revolutions -- Genetic Conservation -- 20. Maize in Tropical Africa -- Lesson 1: The bankruptcy of the pedigree breeders' resistance -- Lesson 2: The vindication of the biometricians -- Lesson 3: The erosion of horizontal resistance -- Lesson 4: Genetic flexibility -- Lesson 5: Population breeding -- Lesson 6: The nature of the resistance -- Lesson 7: Transgressive segregation -- Lesson 8: On-site selection -- Lesson 9: No source of resistance.

Lesson 10: Selection pressures -- Lesson 11: The number of screening generations -- Lesson 12: The holistic approach -- Lesson 13: Parasite interference -- Lesson 14: Size of the screening population -- Lesson 15: The range of levels of horizontal resistance -- Lesson 16: Comprehensive horizontal resistance -- Lesson 17: Selection pressures for other qualities -- Lesson 18: Seed screening -- Lesson 19: Demonstration of horizontal resistance -- Lesson 20: Measurement of horizontal resistance -- Lesson 21: Maize streak virus -- Lesson 22: Hybrid maize -- Lesson 23: Other things we did not learn from the maize in Africa -- 21. The Loss of Resistance in Coffee -- The Origins of Coffee -- The World Distribution of Coffee -- Coffee Berry Disease -- Genetic Conservation -- Vertical Resistance in an Evergreen Perennial -- 22. Sugarcane -- A Very Ancient Crop -- Re-Encounter Parasites -- Sugarcane Breeding -- 23. Ancient Clones -- Aroids -- Banana -- Black Pepper -- Citrus -- Dates -- Figs -- Garlic -- Ginger -- Grapes -- Hops -- Horseradish -- Olives -- Pineapple -- Saffron -- Sisal -- Turmeric -- Vanilla -- Yams -- Part Three: Solutions -- 24. Plant Breeding Clubs -- Introduction -- A Typical Plant Breeding Club -- Aims & Objectives -- LISA -- Plant Breeders' Rights -- Allocation of Breeders' Royalties -- Basic Organisation -- Constitution -- Size of Club -- Categories of Membership -- Qualifications for Membership -- Obligations of Membership -- Membership Fees -- Breeding Strategy -- Hands-on Experience -- Prepare for Disappointments -- Club Property -- Ownership of Cultivars and Breeders' Rights -- Complaints from Neighbours -- Illegal Parasites -- Newsletters -- Associations of Clubs -- Professional Societies -- Specialist Advisors -- Scientific Publication -- Financial Audits -- University Breeding Clubs -- Mexico -- Charitable Clubs.

Tropical Farmer Participation Schemes -- 25. Techniques -- Bees -- Breeding Parents -- Bulk Breeding -- Catalogues -- Categories of Parasite -- Cereals, Selection Procedures -- Clonal Multiplication -- Club Jury -- Commercial Contracts -- Comprehensive Horizontal Resistance -- Conflicts Between Local and Cosmopolitan Cultivars -- Contamination of Members' Land -- Crop Protection Chemicals -- Cross-pollination -- Cross-pollination of Cereals -- Cross-pollination of Grain Legumes -- Crossing Generation -- Cultivar Characteristics -- Cultivar Multiplication -- Cyclone Separation -- Dangers of Foreign Pollen -- Designated Hosts -- Designated Pathotypes -- Designation -- Early Selection -- Early Selection Breeding Cycle -- Emasculation -- Emergency Reserve -- Equipment -- Extension Services -- Family Selection -- Farm Machinery -- Farmer Selection of Seed -- Field Screening -- Field Trials -- Grafting -- Greenhouse Screening -- Greenhouses -- Grid Screening -- Harvesting -- Head to Row Selection -- Head to Row Sowing Equipment -- Horizontal Resistance, Demonstration of -- Horizontal Resistance, Measurement of -- Hybrid Varieties -- Hydroponics -- Inbreeding Cereals -- Inoculation -- Insect Culture -- Inter-leaved Breeding Programs -- International Agricultural Bureaux -- Jury Selection -- Laboratory -- Laboratory Equipment -- Laboratory Screening -- Late Selection and Early Selection -- Library -- Lupins -- Male Gametocides -- Marker Genes -- Mechanical Planters -- Mist Propagators -- Multiplication -- Natural Cross-pollination -- Negative Screening -- Newsletters -- Nitrogen-fixation -- Numbers of Seedlings -- Office Equipment -- On-site Screening -- One-pathotype Technique -- Original Parents -- Outbreeding Cereals -- Ownership of Breeders' Rights -- Parasite Gradients -- Parasite Identification -- Parasite Infested Soil -- Patchy Distribution.

Pedigree Breeding -- Plant Pots -- Popularity Screening -- Potato Rapid Multiplication -- Potato, True Seed Production -- Potato, Seedling Inoculation -- Potato, Tests of Yield -- Potato, Tuber Screening -- Potato Pollination -- Potato Seed Parents -- Potato Tuber Quality -- Potential New Cultivars -- Program Expansion -- Pure Line Formation -- Purification of Foundation Stock -- Quality of Crop Product -- Quantitative Vertical Resistance -- Recurrent Mass Selection -- Relative Measurements -- Research -- Rice, Special Aspects -- Rotation -- Screening -- Screening for Rooting Quality -- Screening Overkill -- Seed Cleaning -- Seed Counting -- Seed Germination -- Seed Sorting -- Seed Sowing -- Selection Coefficient -- Single Seed Descent -- Soil Inoculation -- Soil Pasteurisation -- Soil Processing -- Specialised Help -- Spreader Rows and Surrounds -- Threshing -- Trouble-shooting -- Vertical Resistance, Avoidance During Breeding -- Vertical Resistance, What Happens to It? -- Weed Suppression -- Widening the Genetic Base -- 26. Screening Existing Populations -- Cocoa -- Coconut -- Coffee -- Pasture species -- Landraces -- Rice -- Rimpau -- Rubber -- Tea -- 27. Tropical Farmer Participation Schemes -- Introduction -- Cassava -- Sweet Potato -- 28. Crops Best Avoided by Breeding Clubs -- Banana -- Citrus -- Garlic -- Ginger -- Grapes -- Olives -- Pineapple -- Turmeric -- 29. The Future -- Glossary -- A -- B -- C -- D -- E -- F -- G -- H -- I -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- Appendices -- Appendix A -- Appendix B -- Appendix C -- Appendix D: CABI -- Bibliography -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- X -- Y -- Z.