Columbia subject headings:
Bacterial diseases of plants--Congresses.
Phytopathogenic bacteria--Congresses.
Plants--Microbiology--Congresses.
Harvard subject headings:
Bacteria--Congresses.
Bacterial diseases of plants--Congresses.
Phytopathogenic bacteria--Congresses.
Plants--Microbiology--Congresses.
Princeton subject headings:
Bacteria--Congresses.
Bacterial diseases of plants--Congresses.
Phytopathogenic bacteria--Congresses.
Plants--Microbiology--Congresses.