Section I Fruits I.1 Banana E.C. PUA 1 Introduction 2 Banana Breeding and Molecular Markers 3 Identification of Banana Genes 4 Tissue Culture 5 Genetic Transformation 6 Factors Affecting Transgene Expression 7 Applications of Transgenic Plants 8 Conclusions Reference I.2 Citrus L. PEÑA, M. CERVERA, C. FAGOAGA, J. ROMERO, J. JUÁREZ, J.A. PINA and L. NAVARRO 1 Introduction 2 Importance of Citrus 3 Genetic Improvement 4 Tissue Culture 5 Genetic Transformation 6 Citrus Improvement by Genetic Engineering 7 Conclusions Reference I.3 Mango M.A. GÓMEZ-LIM and R.E. LITZ 1 Introduction 2 Cell and Tissue Culture 3 Applications of Biotechnology 4 Conclusions References I.4 Papaya S.D. YEH, H.J. BAU, Y.J. KUNG and T.A. YU 1 Introduction 2 World-Wide Threat by PRSV Infection 3 Control of PRSV by a Transgenic Approach 4 Tissue Culture and Regeneration Techniques 5 Micropropagation Techniques 6 Methods of Genetic Transformation 7 Advances in Molecular Biology 8 Conclusions References I.5 Pineapple M.R. DAVEY, S. SRIPAORAYA, P. ANTHONY, K.C. LOWE and J.B. POWER 1 Introduction 2 Taxonomy and Breeding of Pineapple 3 Genetic Relationships in Pineapple: Application of Biochemical and Molecular Markers 4 Biochemical and Molecular Approaches to Flowering and Fruit Production in Pineapple 5 Tissue Culture-based Technologies for Pineapple Improvement 6 Agronomic Improvement of Pineapple Using Genetic Manipulation: The Options 7 Concluding Remarks References I.6 Watermelon(Pending) 1 Introduction 2 3 4 5 6 7 Conclusions References I.7 Avocado R.E. LITZ, S.H.T. RAHARJO and M.A. GOMEZ-LIM 1 Introduction 2 Breeding and Genetics 3 Molecular Genetics 4 Micropropagation 5 Micrografting for Elimination of Pathogens 6 Somatic Embryogenesis 7 Protoplast Isolation and Culture 8 In Vitro Mutation Induction 9 Genetic Transformation 10 Cryopreservation 11 Conclusions References I.8 Grape A. Perl and Y. Eshdat 1 Introduction 2 Somatic Embryogenesis in Grapes 3 Selection Systems Utilizing Grape Cell Cultures 4 International Grape Genome Program 5 Genetic Transformation in Viticulture 6 Utilization of Transgenic Grapes 7 Recent Advances in Grape Molecular Biology 8 Concluding Remarks References I.9 Melon J.C. PECH, A. BERNADAC, M. BOUZAYEN, A. LATCHE, C. DOGIMONT, and M. PITRAT 1 Introduction 2 Molecular Tools, Markers and Mapping 3 Molecular Characterisation of Resistance Genes 4 In Vitro Regeneration by Organogenesis and Somatic Embryogenesis from Callus and Protoplasts 5 Haploidisation, Triploids and Somatic Hybridization 6 Methods for Genetic Transformation 7 Genetic Transformation for Disease Resistance 8 Genetic Transformation for Fruit Quality Traits and Post-harvest Behaviour 9 Genetic Transformation for Resistance to Salt and Herbicides 10 Conclusions References I.10 Apple (Pending to be finalised) A-M IBANEZ and A.M. DANDEKAR 1 Introduction 2 Economic Importance 3 Current Research and Development 4 Practical Applications of Transgenic Plants