Jules Janick obtained his PhD in Plant Genetics and Breeding and is a Professor of Horticulture and Landscape Architecture at Purdue University.

• Contributors ix1. Dedication: Rodomiro Ortiz Plant Breeder, Catalyst for Agricultural Development 1Jonathan H. CrouchI. Preamble 2II. Early Years 4III. Research Career 10IV. The Man 51V. The Scientist 53VI. The Mentor, Inspirer, Manager, and Multiplier 54VII. The Future 57Acknowledgments 59Publications of Rodomiro Ortiz 59Germplasm Registrations 842. Phenotyping, Genetic Dissection, and Breeding for Drought and Heat Tolerance in Common Wheat: Status and Prospects 85P. K. Gupta, H. S. Balyan, V. Gahlaut, and P. L. KulwalI. Introduction 89II. Target Environments 90III. Traits and Parameters to Measure Drought and Heat Tolerance and Their Genetic Dissection in Wheat 95IV. Synergy Among Stress-Adaptive Traits 126V. Crop Modeling for Drought and Heat Tolerance 127VI. High-Throughput Phenotyping 129VII. Strategies for Developing Drought- and Heat-Tolerant Wheat Genotypes 133VIII. Outlook 144Acknowledgments 147Literature Cited 1473. Nutritionally Enhanced Staple Food Crops 169Sangam L. Dwivedi, Kanwar L. Sahrawat, Kedar N. Rai, Matthew W. Blair, Meike S. Andersson, and Wolfgang PfeifferI. Introduction 173II. Biomarkers for Assessing Nutritional Status 178III. Micronutrient Bioavailability 180IV. Phenotypic Screens 192V. Mining Germplasm Collections for Natural Variation for Seed Iron, Zinc, and Phytate 205VI. Exploiting Natural Genetic Variation to Breed for Seed Mineral-Dense Cultivars 215VII. Enhancing Seed Iron, Zinc, and B-Carotene Using Transgene(S) 242VIII. Outlook 258Acknowledgments 261Literature Cited 2614. Genetic Management of Virus Diseases in Peanut 293S. N. Nigam, R. D.V. J. Prasada Rao, Pooja Bhatnagar-Mathur,and K. K. SharmaI. Introduction 297II. Virus Diseases 298III. Breeding for Resistance to Virus Diseases 307IV. The Future 340Literature Cited 3415. Common Bean Breeding in the Tropics 357Steven BeebeI. Introduction 359II. A Brief History 361III. The Tropical Context 364IV. Origins and Genetic Resources 369V. Biotic Constraints 374VI. Abiotic Constraints 385VII. Yield Potential 398VIII. Nutritional Quality 400IX. Climbing Beans 402X. Progress by Market Classes 403XI. The Institutional Context 408XII. Future Priorities, Challenges, and Opportunities 410Acknowledgments 412Literature Cited 4126. New Approaches to Cassava Breeding 427Herna´n Ceballos, Clair Hershey, and Luis Augusto Becerra-Lopez- LavalleI. Introduction 429II. Genetic Resources 438III. Cassava Breeding 445IV. Conventional and Molecular Genetics 475V. Future Prospects 484Literature Cited 489Subject Index 505Cumulative Subject Index 507Cumulative Contributor Index 529

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