Organism that derives the material for its nutrition from the living or the dead tissues of a plant (=host).
Wound parasite: a parasite which feeds on a lesion of the host. It is a parasite with a saprophytic tendency.
Facultative parasite: an organism able to develop on either lesioned or non lesioned tissues.
Obligate parasite: a parasite that can only feed on the living tissues of the host. Does not grow in artificial culture medium.
Strict parasite: a parasite that can grow on a single species of host.
HYP3 on ligne : Species (scientific name), Diseases (common names), Glossary, Crops.