become established management options include replacing susceptible citrus cultivars resistant cultivars applying preventive sprays copper based bactericides destroying infected trees surrounding trees within appropriate radius citrus industry largest fresh fruit exporting industry australia ref name auscitrus ref australia three outbreaks citrus canker three successfully eradicated disease found twice northern territory eradicated time first outbreak every citrus tree north latitude south destroyed taking years eradicate disease ref name dpi department primary industries
Applied science Public administration Agricultural policy