Plants 489 Plant physiology 482 Plant pathology 450 Medicinal plants 336 Botany 310 Plant breeding 274 Plant Protection 244 Plant diseases 235 Plant biotechnology 141 Plant disease 140 PLANT 131 Plant Biotechnology 116 Medicinal Plants 111 Plant Propagation 111 Plant Breeding and Genetics 109 Plant propagation 109 Biotechnology 103 Dissertations, Academic (Ph.D) 98 Crop improvement 92 PLANT PHYSIOLOGY 84 Plant science 84 Plant protection 83 Plant ecology 82 PLANT BREEDING 79 Plant Pathology 79 Agriculture 78 Plant anatomy 78 Plant tissue culture 78 Plant Physiology 75 Photosynthesis 69