Plant Breeding and Genetics 43 Biotechnology 37 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 36 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 33 Biotechnology (General), (Revised June 2002) 29 History and criticism 28 Islam 26 Islamic studies 26 دراسات الاسلام 26 Plants 25 Genetically engineered organisms 24 History 24 Literature 21 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 21 Plant breeding 20 Plant diseases 20 Genetic engineering 19 Plant Production 19 Transgenic plants 19 Plant Pests, (New March 2000) 18 Plant Physiology and Biochemistry 17 Criticism and interpretation 16 Genetics 16 Horticultural Crops, (New March 2000) 16 Plant pests 16 Agricultural Economics 15 Crop Produce 15 Field Crops, (New March 2000) 15 Soil Water Management (Irrigation and Drainage), (Revised June 2002) 15 Taxonomy and Evolution 15