Crop production and protection, Mozambique. Annual report for phytopathology 1980

bacteria bacteriose bacterioses bacteriosis bananas banane banano calidad champignon culture media enfermedades de las plantas enfermedades fungosas fitopatologia fungal diseases fungi helianthus annuus hongos mais maize maladie des plantes maladie fongique medio de cultivo milieu de culture plant diseases plant pathology quality seed semence semillas soja soybeans virose viroses virosis