Search Results       Your search for [subject]Micro-organisms, Phytopathogenic -- Congresses returned 1 record.           Leafhopper vectors and plant disease agents. New York: Academic Press, 1979. Subject: Leafhoppers -- Congresses; Insects as carriers of plant disease -- Congresses; Micro-organisms, Phytopathogenic -- Congresses; Plant diseases -- Congresses.          Add to Book Cart Relevance: 28.58%