fungicide• Destroy infected leaves and use a fungicide.• Use a fungiciderecommended by your nurseryman.• This is particularly important in gardens and orchards where so many herbicides and fungicides are used.• Curiously, the addition of fungicides to the glue is not very effective.• This was despite more money than usual being spent on fungicides.• Thiabendazole and other fungicides are also used to prolong the storage life of oranges and lemons.• The only hope then is rather like injectingantibodies into our own blood - a systemicfungicide.• Plant resistant plants or use fungicides.