00447nam a2200121Ia 4500008004100000082002700041245005100068260005500119300001200174490003600186600007200222650003100294130903s9999    xx            000 0 und d  aPH 632:001.4(026)   L3  aA guide to the use of terms in plant pathology  aEnglandbCommonwealth Mycological Institutecc1973  aiv,55p.  aPhytopathological Papers; no.17  aFederation of British Plant Pathologists. Terminology Subcommittee.  aPlant diseases-Terminology