Abstract
Eucalyptus (Eucalyptus spp.) is native to Oceania, but Brazil is one of the world's largest producers, with a productive area of 7.6 million hectares dedicated to the production of wood derivatives. Extensive cultivation outside its center of origin promotes the adaptation of fungal pathogens, notably Austropuccinia psidii, the causal agent of myrtle rust, the main pathogen of the crop an…