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Publications
Publications (21)
Canastra cheese is the most well-known artisanal cheese produced in Brazil. Although its production includes a step to remove fungi from the cheese surface, in recent years some cheesemakers have preserved the autochthonous fungi grown during ripening due to an interest in the sensory characteristics attributed to these microorganisms. In this work...
Species from Ceratobasidium are known as orchid mycorrhizal, plant pathogens or saprophytic. In mycorrhizal association with orchids, Ceratobasidium can establish a highly specific interaction. Gomesa recurva is an epiphytic orchid occurring in the Brazilian Atlantic Forest. In the present study mycorrhizal fungi were isolated from roots of G. recu...
Este livro apresenta resultados de 16 anos de pesquisa sobre associação micorrízica em orquídeas, realizadas pelo grupo de pesquisas do Departamento de Microbiologia da Universidade Federal de Viçosa.
The genus Tulasnella often forms mycorrhizas with orchids and has worldwide distribution. Species of this genus are associated with a wide range of orchids, including endangered hosts. Initially, species identification relied mostly on morphological features and few cultures were preserved for later phylogenetic comparisons. In this study, a total...
A new endophytic fungal species, Neopestalotiopsis hadrolaeliae, is described from roots of Hadrolaelia jongheana, an endangered orchid species growing in Brazil. Multigene phylogenetic analyses coupled with morphological observations facilitated the identification of new species isolated from the roots of Hadrolaelia jongheana. Phylogenetic analys...
A new endophytic species of Colletotrichum was isolated from an endangered orchid species, Cattleya jongheana in the Parque Estadual da Serra Negra, from the state of Minas Gerais, Brazil. It is described and illustrated as Colletotrichum serranegrense sp. nov. in this study. Morphology and multi-locus phylogenetic analyses based on combined ITS, A...
Solanum lycopersicum is among the most important crops in Brazil. This crop is affected by a large range of fungal diseases that are recognized as major limitations for tomato production. Recently, plants grown in a greenhouse in Viçosa, Minas Gerais, Brazil, were found to bear severe blight symptoms. A pycnidial coelomycete was repeatedly found in...
Fungi diversity associated to root system of an orchid (Zygopetallum maxillare) using Sequencing data.
Erythrina poeppigiana (Walp.) O.F. Cook (Fabaceae) is a native tree from tropical America used mainly for ornamental purposes (Lorenzi 2002). In March 2016, leaf spots orbicular to irregular (1 to 9 mm), pale brown to gray with a dark brown border surrounded by a chlorotic halo, were observed on E. poeppigiana saplings in a forest nursery in the ci...
A survey of foliicolous fungi associated with Dimorphandra wilsonii and Dimorphandra mollis (Fabaceae) was conducted in the state of Minas Gerais, Brazil. Dimorphandra wilsonii is a tree species native to the Brazilian Cerrado that is listed as critically endangered. Fungi strictly depending on this plant species may be on the verge of co-extinctio...
A survey of fungal pathogens associated with cane tibouchina, Tibouchina herbacea (Melastomataceae), was conducted in the neotropics, concentrated in south and southeastern Brazil and aimed at finding potential biological control agents for this herbaceous invasive weed for introduction into Hawaii. Numerous fungal species were found, including fiv...
A dematiaceous fungus associated with trichomes on leaflets of Dimorphandra mollis was collected during a survey of fungi associated with the genus Dimorphandra (Fabaceae). The host tree is endemic to the Brazilian Cerrado. Although widely distributed there, this plant has been neglected in mycological studies, since no fungus has ever been recorde...
Recent searches in Brazil for plant pathogens with potential for use as classical biocontrol agents of Macfadyena unguis-cati yielded five fungal species, two previously undescribed. These are described herein and preliminary evaluations based on field and laboratory observations
of the diseases with which they are associated are given. These are:...
A new leaf spot disease was observed on the orchid species Epidendrum secundum in “high altitude grasslands” of Araponga, Minas Gerais State, Brazil. Inoculation tests on healthy plants confirmed the pathogenicity of this fungus. Pseudocercospora epidendri
sp. nov., the causal agent of the leaf spot disease of E. secundum, is described, illustrated...
Five new species, two new varieties and three newly reported taxa belonging to the Meliolaceae were collected in fragments of Atlantic forest from Minas Gerais, Brazil, in association with native plants and are described and illustrated herein. The newly described species are Appendiculella eupatorii, Meliola cassiae-ferrugineae, M. mutisiae, M. pe...
The leaf spotting hyphomycete Pseudocercospora heliconiae sp. nov., collected on Heliconia psittacorum in a commercial nursery in Vicosa, Minas Gerais State, Brazil, is described, illustrated, discussed and compared with allied species.
The new combination Calidion bombacis is proposed for the rust species formerly known as Uredobombacis. This nomenclatural change is based on the examination of newly collected material of this fungus from a new host, Bombacopsisglabra from Brazil, and reexamination of the isotype. Until now this fungus was only known to occur in Asia (China, India...
The new combination Calidion bombacis is proposed for the rust species formerly known as Uredo bombacis. This nomenclatural change is based on the examination of newly collected material of this fungus from a new host, Bombacopsis glabra from Brazil, and reexamination of the isotype. Until now this fungus was only known to occur in Asia (China, Ind...
A new black mildew disease was observed on the orchid species Epidendrum secundum in the "campos rupestres" of Carrancas, Minas Gerais State, Brazil. Lembosia epidendri sp. nov., the causal agent of the new disease is described, illustrated and compared with three allied Lembosia species on the family Orchidaceae.
The leaf-spotting hyphomycete Pseudocercospora rigidae sp. nov., collected on Palicourea rigida from the Brazilian cerrado, is described, illustrated, discussed and compared with allied species reported on Rubiaceae.
