United Arab Republic: Vegetable Improvement and Seed Production Research Centre: virus diseases in vegetable crops

aetiology ail ajo control de enfermedades disease control disease transmission enfermedades de las plantas etiologia etiologie garlic hortalizas (plantas) institution de recherche maladie des plantes morbidite morbidity morbosidad papa pepper pimienta plant diseases poivre pomme de terre potatoes research institutions symptome symptoms tomate tomatoes transmission des maladies vegetable crops virose viroses virosis