Use of gamma-irradiation and sulphur dioxide to improve storability of two Syrian grape cultivars (Vitis vinifera)

botrytis botrytis cinerea chemical control cold storage control de enfermedades dioxyde de soufre disease control enfermedades de las plantas enfermedades fungosas fungal diseases gamma radiation grapes irradiation lutte chimique lutte physique maladie des plantes maladie fongique pathogens physical control plant diseases raisin rayonnement gamma siria stockage au froid sulphur dioxide syria syrie uva vitis vitis vinifera