Columbia subject headings:
Botanical chemistry.
Host plants.
Host-parasite relationships.
Phytopathogenic microorganisms.
Plant diseases--Physiological aspects.
Plant diseases.
Harvard subject headings:
Botanical chemistry.
Host plants.
Host-parasite relationships.
Phytopathogenic microorganisms.
Plant diseases--Physiological aspects.
Plant diseases.
Plant-pathogen relationships.
Princeton subject headings:
Botanical chemistry.
Host plants.
Host-parasite relationships.
Phytopathogenic microorganisms.
Plant diseases--Physiological aspects.
Plant diseases.