Plant Breeding and Genetics 106 Plant breeding 48 Genetics 30 Plants 30 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 29 Animal Genetics and Breeding, (New March 2000) 27 Plant Production 27 Horticultural Crops, (New March 2000) 25 Biotechnology 22 Field Crops, (New March 2000) 22 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 22 Plant Physiology and Biochemistry 22 Plant Pests, (New March 2000) 21 Genetically engineered organisms 20 Plant diseases 20 Plant pests 20 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 20 Biological Resources (Plant) 19 Taxonomy and Evolution 19 Agriculture 18 Plant Propagation 18 Crop Produce 17 Crop production 17 Transgenic plants 16 Genetic engineering 15 Taxonomy 15 Animal breeding 14 Crops 14 Plant genetic resources 14 Biotechnology (General), (Revised June 2002) 13