He will best be suited to be a botanist or phytologist. Botany is a science field that specifically focuses on the science of plants. He can, later on, specialize in plant genetics or epigenetics, which combines botany and biology. Plant genetics focuses on the study of genes, including genetic variation and heredity in plant life, while plant epigenetics is a field that focuses more on the changes in a plant’s organism characteristics, without genetically modifying its DNA.
