[Experiment report. Development of a control method: fire blight [Erwinia amylovora; efficacy of anti-fireblight products with reference: streptomycine and Bordeaux mixture; aggressivity of copper products on main host plants]]

adverse drug effects antimicrobials antimicrobien apples bactericidas bacteriose bacterioses bacteriosis chemical control cotoneaster efectos secundarios effet secondaire efficiency eficacia erwinia fitotoxicidad lutte chimique manzana pears pera phytotoxicity poire pomme