Traditionally, the term ``fungus'' in an agricultural context has been used to mean microorganisms that are pathogenic to plants.
(the term ``fungus'' in an agricultural context; to mean; microorganisms that are pathogenic to plants) (microorganisms; are; pathogenic to plants)
the term ``fungus'' in an agricultural context microorganisms
to mean are
microorganisms that are pathogenic to plants
pathogenic to plants