Plant Breeding Reviews, Volume 40

Contributors ix 1. James L. Brewbaker: Distinguished Geneticist, Tropical Plant Breeder, Inspiring Teacher 1 Ganesan Srinivasan and Jules Janick I. Early Years 2 II. Research 5 III. Educator 17 IV. The Man 24 Releases and Publications of James L. Brewbaker 27 2. Breeding Leucaena: Tropical Multipurpose Leguminous Tree 43 James L. Brewbaker I. Introduction 45 II. Genetic Resources 58 III. Genetics in Relation to Breeding 70 IV. Cultivar Development 75 V. Breeding Challenges 88 VI. The Future 108 Acknowledgments 111 Literature Cited 111 3. Maize Doubled Haploids 123 Zhixin Liu, Yanbo Wang, Jiaojiao Ren, Mei Mei, Ursula K. Frei, Benjamin Trampe, and Thomas Lübberstedt I. Introduction 125 II. History of Haploid Research in Maize 126 III. Milestones for Establishing DH Technology in Maize Breeding 131 IV. Application of DH Technology in Maize Breeding and Genetic Studies 148 V. Application of DH Technology in Maize-Breeding Programs 152 VI. Future Perspectives in Using DH Technology in Maize 157 Acknowledgments 159 Literature Cited 160 4. Nitrogen and Phosphorus Use Efficiencies in Wheat: Physiology, Phenotyping, Genetics, and Breeding 167 Harindra S. Balyan, Vijay Gahlaut, Anuj Kumar, Vandana Jaiswal, Raman Dhariwal, Sandhya Tyagi, Priyanka Agarwal, Supriya Kumari, and Pushpendra K. Gupta I. Introduction 170 II. Physiology of N Uptake and Assimilation 173 III. Physiology of P Uptake and Assimilation 177 IV. Crop Phenotyping for NUE/PUE 180 V. Genes Involved in N Uptake and Metabolism 184 VI. QTL for NUE/PUE 188 VII. MicroRNA, Long Non-Coding RNA, Target Mimics for N/P Homeostasis 195 VIII. Approaches for the Genetic Improvement of NUE/PUE 200 IX. Outlook 212 Acknowledgments 214 Literature Cited 214 5. Interspecific Periclinal Chimeras as a Strategy for Cultivar Development 235 Nagib A. Nassar, Nayra N. Bomfim Fernandes, Danielle Y. Hashimoto Freitas, and Thomas M. Gradziel I. Introduction 236 II. Chimera Form and Function 239 III. Interspecies Chimeras 241 IV. Case Studies 252 V. Prospects 262 Acknowledgments 262 Literature Cited 263 6. Open Source Plant Breeding and the Open Source Seed Initiative 271 Claire H. Luby, Jack R. Kloppenburg, and Irwin L. Goldman I. Introduction 273 II. Restrictions on Freedom to Operate in Plant Breeding 275 III. The Open Source Seed Initiative 280 IV. Social and Political Context of Open Source Plant Breeding 283 V. Breeding Context: Working with OSSI Germplasm 288 VI. Outlook 296 Literature Cited 297 7. Rapid Cycle Breeding: Application of Transgenic Early Flowering for Perennial Trees 299 Ann M. Callahan, Chinnathambi Srinivasan, Chris Dardick, and Ralph Scorza I. Introduction 300 II. Generation of Early Flowering Trees 302 III. Utilizing Early Flowering for Rapid Cycle Breeding 317 IV. Outlook 325 Literature Cited 327 Subject Index 335 Cumulative Subject Index 337 Cumulative Contributor Index 365