Contributors ix1 Antoine: Slave, Creole Gardener, and Expert Grafter of Pecan Trees 1Lenny WellsI. Background 2II. Work and Recognition of 'Centennial' Pecan 3III. Significance 5Literature Cited 82 Hazelnut Breeding 9Shawn A. Mehlenbacher and Thomas J. MolnarI. Introduction 13II. Economic Importance, Producing Countries, and Markets 14III. Taxonomy of the Genus Corylus 15IV. Genetic Resource Collection, Characterization and Preservation 23V. Major Limitations, Needs, and Breeding Objectives 35VI. History of Genetic Improvement 36VII. Breeding Programs Since 1960 46VIII. Floral Biology and Breeding Procedures 54IX. Breeding for Specific Traits 81X. Clonal Selection 110XI. Rootstock Improvement 111XII. Interspecific Hybridization 114XIII. Molecular Markers, Genome Sequences, Transcriptome Sequences and Genetic Engineering 119XIV. Conclusions and Prospects 125Literature Cited 1273 Rewiring Network Plasticity to Improve Crops 143Madara Hetti-Arachchilage, Ghana Shyam Challa, andAmy Marshall-ColónI. Crop Ideotype Design Using Gene Networks 145II. Leveraging Network Plasticity to Improve Crops 149III. Multiscale Modeling to Scale Up Gene Network Predictions 167IV. Concluding Remarks and Future Directions 170Literature Cited 1714 Accelerating Crop Domestication in the Era of Gene Editing 185Angel Del Valle-Echevarria, Nathan Fumia, Michael A. Gore, and Michael KantarI. Introduction 187II. Molecular Biology in Domesticating and Improving Novel Crops 189III. Bringing in Genes from the Wild into Domesticated Crops 196IV. Going into the Unknown: Can We Redomesticate in a More Specific Way to Create Better Crops? 199V. Do Crop Models Offer Opportunities for Assisting in De Novo Domestication of Wild Species? 200VI. Can We Revive Lost Domesticates and How Would We Breed These? 201VII. Can Machine Learning Be Used to Detect Domestication Loci? 202VIII. Conclusion and Future Directions 203Literature Cited 2045 Regional and Global Inter-Connectivity Among Common Bean Breeding Programs 213Matthew W. Blair, Asrat Asfaw, Daniel Ambachew, andPaul KimaniI. Who Makes Bean Varieties? Breeding at Various Scales 214II. Institutional Context of Bean Breeding 215III. Agenda Setting 235IV. Projects Versus Networks 238V. New Concept of Genotype × Environment × Institution (G × E × I) 241VI. Context-Mechanism-Outcome Framework 245VII. Conclusion and Future Prospects 248Literature Cited 2506 The Plant Sciences Symposia Series: A Model for Private Sector Support for Graduate Education 255Jason T. Rauscher and Tabare AbadieI. Introduction 256II. Background and History 257III. Objectives and Impact 258IV. Conclusions 270Literature Cited 2717 Ideas in Genomic Selection with the Potential to Transform Plant Molecular Breeding: A Review 273Matthew McGowan, Jiabo Wang, Haixiao Dong, Xiaolei Liu, Yi Jia, Xiangfeng Wang, Hiroyoshi Iwata, Yutao Li,Alexander E. Lipka, and Zhiwu ZhangI. Introduction 276II. Blup Alphabet 277III. Bayesian Alphabet 282IV. Machine Learning 284V. GWAS-Assisted Genomic Selection 288VI. Hybrid Breeding 292VII. Multiple Traits 295VIII. Long-Term Selection 298IX. Assessment of Prediction Accuracy 301X. GS-Transformed Plant Breeding 304XI. Future Prospects 306Funding 307Literature Cited 3078 Genetic Revelations of a New Paradigm of Plant Domestication as a Landscape Level Process 321Robin G. Allaby, Chris J. Stevens, Logan Kistler, and Dorian Q. FullerI. Introduction 322II. A Deep Pleistocene Onset of Selection 323III. Modes and Limits of Selection in Domestication 326IV. The Complex Emergence of Domesticates 333V. Landscape Level Origins: A New Paradigm 335Literature Cited 3369 Breeding for Acylsugar-Mediated Control of Insects and Insect-Transmitted Virus in Tomato 345Martha A. MutschlerI. Introduction 348II. Potential for Plant-Based Pest Resistance 350III. Work Completed Before the Start of the Acylsugar Breeding Program 353IV. Phase 1: Acylsugar Breeding Program and Supporting Work 355V. Phase 2: Acylsugar Breeding Program and Supporting Work 367VI. Phase 3 Acylsugar Breeding Program and Supporting Work 373VII. Ongoing Work: Breeding Lines to Support Creation of Commercial Tomatoes With Insect/Virus Control 394VIII. Future Directions 398Notes 401Literature Cited 401Cumulative Contributor Index 411Cumulative Subject Index 421