This is a glossary of some of the terms used in phytopathology. "Hemipterans as Plant Pathogens | Annual Review of Phytopathology". Parasitic plants such as mistletoe and dodder are included in the study of phytopathology. He was a professor of botany and phytopathology at the Escola agricola da Baia.. It was the first scientific organization in the world to be devoted exclusively to phytopathology. Phytopathology is the study of plant diseases. He studied horticulture ( BS, 1965) and phytopathology at the University of Hawaii. Specializing in phytopathology, Heybroek also investigated the Coral Spot fungus "Nectria cinnabarina" in elm. One of her main research interests is molecular phytopathology with a focus on "Ustilago maydis".