Food Security and the Role of Agricultural Research
       T. Reeves, P. Pinstrup-Andersen, and R. Pandya-Lorch

Inbreeding and Outbreeding in the Development of a Modern Heterosis Concept
       I.L. Goldman

Heterosis: Feeding People and Protecting Natural Resources
       D.N. Duvick

Quantitative Genetics of Heterosis
       K.R. Lamkey and J.W. Edwards

Dominance and Overdominance
       J.F. Crow

Epistasis and Heterosis
       C.J. Goodnight

Inbreeding Depression and Heterosis
       J.B. Miranda Filho

Genotype-by-Environment Interactions, Selection Response, and Heterosis
       M. Cooper and D.W. Podlich

Genetic Diversity and Heterosis
       A.E. Melchinger

Effect of Hybrid Breeding on Genetic Diversity in Maize
       J.S.C. Smith, D.N. Duvick, O. S. Smith, A. Grunst, and S.J. Wall

Population Genetics of Increased Hybrid Performance Between Two Maize Populations Under Reciprocal Recurrent Selection
       J. Labate, K.R. Lamkey, M. Lee, and W.L. Woodman

Broadening the Genetic Diversity in Maize Breeding by Use of Exotic Germplasm
       M.M. Goodman

Mechanisms Contributing to Genetic Diversity in Maize Populations
       P.A. Peterson

Biochemistry, Molecular Biology, and Physiology of Heterosis
       C.W. Stuber

Towards Understanding and Manipulating Heterosis in Crop Plants - Can Molecular Genetics Help?
       M. Lee

Epigenetic Changes in Maize DNA and Heterosis
       A.S. Tsaftaris, M. Kafka, A. Polidoros, and E. Tani

Potential Heterosis Associated with Developmental and Metabolic Processes in Sorghum and Maize
       J.D. Eastin, C.L. Petersen, F. Zavala-Garcia, A. Dhopte, P.K. Verma, V.B. Ogunlea,
       M.W. Witt, V. Gonzalez Hernandez, M. Livera Munoz, T.J. Gerik, G.I. Gandoul,
      M.R.A. Hovney, and L. Mendoza Onofre

Selection Methodologies and Heterosis
       J.G. Coors

Recurrent Selection and Heterosis
       C.L. Souza, Jr.

Molecular Markers and Heterosis
       J. Moreno-González

Best Linear Unbiased Predictor Analysis
       R. Bernardo

Prediction of Single-Cross Performance
       O.S. Smith, K. Hoard, F. Shaw, and R. Shaw

Commercial Strategies for Exploitation of Heterosis
       D.N. Duvick

Heterosis for the Development and Promotion of the Seed Industry
       R.B. Hunter

Logistics of Seed Production and Commercialization
       A. B. Maunder

Exploitation of Heterosis: Uniformity and Stability
       J. Janick

Apomixis and Heterosis
       W. Hanna, P. Ozias-Akins, and D. Roche

Temperate Maize and Heterosis
       A.R. Hallauer

Tropical Maize and Heterosis
       S.K. Vasal, H. Cordova, S. Pandey, and G. Srinivasan

Heterosis in Sorghum and Pearl Millet
       J. Axtell, I. Kapran, Y. Ibrahim, G. Ejeta, and D.J. Andrews

Heterosis in Vegetable Crops
       T.C. Wehner

Oilseeds and Heterosis
       J.F. Miller

Wheat and Heterosis
       J.P. Jordaan, S.A. Engelbrecht, J.H. Malan, and H.A. Knobel

Exploitation of Heterosis for Shifting the Yield Frontier in Rice
       S.S. Virmani

Hybrid Rye and Heterosis
       H.H. Geiger and T. Miedaner

Cotton and Heterosis
       W.R. Meredith, Jr.

Trees and Heterosis
       J.L. Brewbaker and W G. Sun

Heterosis: What Have We Learned, What Have We Done, and Where Are We Headed?
       A.R. Hallauer

The Role of Heterosis in Meeting World Cereal Demand in the 21st Century
       P.L. Pingali

Research Needs in Heterosis
       R.L. Phillips

How to Feed the 21st Century?
       N.E. Borlaug

A Symposium Overview
       J.F. Crow