Transgenic plants 51 Genetic engineering 40 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 36 Biotechnology 34 Genetically engineered organisms 27 Plant Breeding and Genetics 25 Plants 20 Genomics 15 Genetic Engineering 14 Genetic transformation 12 Plant breeding 12 Molecular biology 11 Plant biotechnology 11 Genetics 10 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 10 Risk assessment 10 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 10 Agricultural biotechnology 9 Plant Pests, (New March 2000) 9 Plant diseases 9 Plant pests 9 Transgenic organisms 9 Agriculture 8 Animal Genetics and Breeding, (New March 2000) 8 Horticultural Crops, (New March 2000) 8 Plant Production 8 Taxonomy and Evolution 8 Chromosome Mapping 7 Gene mapping 7 Genetically modified foods 7