Neergaard, Paul
Seed-Borne Diseases (Inspection for Quarantine in Africa) Reprint from Handbook for Phytosanitary Inspectors in Africa - Copenhagen Danish Government Institute of Seed Pathology for Developing Countries 1969 - 380-393
Pathology SEED DISEASES PATHOGENS INOCULUM
Seed-Borne Diseases (Inspection for Quarantine in Africa) Reprint from Handbook for Phytosanitary Inspectors in Africa - Copenhagen Danish Government Institute of Seed Pathology for Developing Countries 1969 - 380-393
Pathology SEED DISEASES PATHOGENS INOCULUM