- Plant Sciences 7
- Agriculture 4
- Plant Biochemistry 3
- Plant Physiology 3
- Science, Humanities and Social Sciences, multidisciplinary 3
- Biotechnology 2
- Plant Ecology 2
- Science, multidisciplinary 2
- Tree Biology 2
- Animal Genetics and Genomics 1
- Cell Biology 1
- Ecology 1
- Engineering, general 1
- Forestry 1
- Life Sciences, general 1
- Microarrays 1
- Microbial Genetics and Genomics 1
- Plant Anatomy/Development 1
- Plant Breeding/Biotechnology 1
- Plant Genetics and Genomics 1