[Physical control of seed borne pathogens]

alternaria alternaria dauci bacteriose bacterioses bacteriosis colletotrichum colletotrichum lindemuthianum cultivo de hortalizas enfermedades fungosas fungal diseases graine host parasite relations maladie fongique organisme transmissible par semence organismos transmitidos por semilla plant anatomy plant protection protection des plantes pseudomonas recubrimiento de semillas seed dressing seeds semilla traitement phytosanitaire semences vegetable growing xanthomonas campestris