Tissue culture Cell culture 13 Biotechnology 7 Genetics 6 Dissertations, Academic (Ph.D) 5 Organ culture 5 Plant tissue culture 5 Genetic engineering 4 Metabolism 4 Molecular biology 4 Morphology 4 Physiology 4 Plant cell 4 Plant pathology 4 Biology 3 Botany 3 Microbiology 3 Plant breeding 3 Thesis (Ph.D)-Biochemistry 3 Bananas 2 Camptothecin 2 Experimental botany 2 Genetic markers 2 Genomics 2 In vitro Culture of Plant Material 2 Medicinal plants 2 Micropropagation 2 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 2 Photosynthesis 2 Plant Breeding and Genetics 2