[Regional fungicide programs in South-West France]

cereal crops chemical control control de enfermedades cultivos de cereales cultivos de invierno cultivos de primavera culture d'hiver culture de printemps disease control enfermedades fungosas fongicide france francia fungal diseases fungicidas fungicides fusarium hordeum vulgare lutte chimique maladie fongique plant protection protection des plantes puccinia rhynchosporium septoria spring crops triticum aestivum triticum durum winter crops