Seedborne diseases of linseed (Linum usitatissimum L.) and the effect of some chemical seed treatments

alternaria alternaria alternata alternaria infectoria botrytis cinerea colletotrichum control de enfermedades disease control enfermedades fungosas fungal diseases fusarium linum usitatissimum maladie fongique oil crops organisme transmissible par semence organismos transmitidos por semilla phoma plantas oleaginosas polyspora recubrimiento de semillas seed dressing septoria suecia sweden traitement phytosanitaire semences verticillium verticillium dahliae