Roger Fagner Ribeiro Melo

A new species and two new records of oomycetes causing downy mildew on Asteraceae in Brazil

Abstract Species in the Asteraceae , either cultivated or wild, are strongly affected by downy mildews. Despite its importance, the broad species concept used for decades and the lack of molecular data for the genera Plasmopara and Bremia have obscured the true diversity and dist...

Allolecanicillium elzae gen. et sp. nov. (Cordycipitaceae): revised taxonomy with new combinations, its entomopathogenicity and mass production

In a previous study, an isolate identified as Akanthomyces sensu lato , obtained from the citrus blackfly Aleurocanthus woglumi in Brazil, was shown to be pathogenic towards its host. Phylogenetic evidence indicated that this isolate belongs to a new taxon. This study aimed to de...