Plant breeding 140 Plant Breeding and Genetics 100 Life Sciences 91 Life sciences 91 Plant Genetics & Genomics 73 Botany 58 Plant Breeding/Biotechnology 53 more ... Plant Sciences 52 Plant diseases 45 Agriculture 44 Plant Production 42 Plant physiology 41 Horticultural Crops, (New March 2000) 36 Plant pests 34 Plant Pests, (New March 2000) 33 Field Crops, (New March 2000) 31 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 31 Plant Physiology and Biochemistry 31 Plants 31 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 31 Biotechnology 30 Crop Produce 29 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 29 Plant Physiology 28 Biological Resources (Plant) 26 Taxonomy and Evolution 26 Genetic engineering 24 Taxonomy 24 Crop production 23 Biochemistry 22 less ...