Worldwide relationships in the fern genus Pteridium (bracken) based on nuclear genome markers. [PDF]
PREMISE: Spore-bearing plants are capable of dispersing very long distances. However, it is not known if gene flow can prevent genetic divergence in widely distributed taxa.
Wolf PG +7 more
europepmc +4 more sources
A comparative study of resource allocation in Pteridium in different Brazilian ecosystems and its relationship with European studies [PDF]
Pteridium is a cosmopolitan genus that acts as an invasive species in many parts of the world. Most research on this genus has occurred in Europe, and there is a lack of data on it from South America, in spite of causing considerable conservation ...
DM Silva Matos +3 more
doaj +2 more sources
Bovine upper alimentary squamous cell carcinoma associated with bracken fern poisoning: Clinical-pathological aspects and etiopathogenesis of 100 cases. [PDF]
Upper digestive tract (UDT) cancer is rare in cattle, however in Southern Brazil, the UDT squamous cell carcinomas (SCCs) are relatively common and have been associated with bracken fern consumption and the presence of papillomas.
Tatiane Cargnin Faccin +8 more
doaj +2 more sources
Achados clínico-patológicos e métodos de controle da intoxicação por Pteridium (aquilinum) arachnoideum em uma propriedade do Rio Grande do Sul [PDF]
RESUMO: A infestação de pastagens por Pteridium arachnoideum é um problema que afeta a pecuária em diversas partes do mundo, ocasionando perdas produtivas e mortalidades nos rebanhos, bem como a redução das áreas de pastagens.
Fabiana M. Boabaid +6 more
doaj +4 more sources
Who will win where and why? An ecophysiological dissection of the competition between a tropical pasture grass and the invasive weed Bracken over an elevation range of 1000 m in the tropical Andes. [PDF]
In tropical agriculture, the vigorously growing Bracken fern causes severe problems by invading pastures and out-competing the common pasture grasses. Due to infestation by that weed, pastures are abandoned after a few years, and as a fatal consequence ...
Johannes Knuesting +6 more
doaj +2 more sources
Perfil de propriedades rurais com pastos invadidos por Pteridium arachnoideum na região norte de Mato Grosso e prevalência de hematúria enzoótica bovina [PDF]
Descreve-se o perfil de 40 propriedades rurais com pastagens invadidas por Pteridium arachnoideum na região norte de Mato Grosso, bem como a prevalência de hematúria enzoótica bovina (HEB) em bovinos de leite e corte nessa região.
Fernando Henrique Furlan +6 more
doaj +3 more sources
Alterações anátomo-histopatológicas em ratos submetidos à dieta com extrato de broto de samambaia (Pteridium aquilinum var. arachnoideum) de dois municípios do estado do Paraná Macroscopic and microscopic changes in rats fed on a bracken fern diet (Pteridium aquilinum var. arachnoideum) from different regions of Parana State, Brazil [PDF]
The carcinogenicity of bracken fern harvest from two regions of Paraná State to induce hematury in rats was studied. In order to do that, 33 Wistar rats were divided in three groups.
G.D. Cruz +3 more
doaj +5 more sources
SURTO DE INTOXICAÇÃO AGUDA POR Pteridium arachnoideum (Kaulf.) EM BOVINOS*
Pteridium arachnoideum é uma das mais importantes plantas tóxicas conhecidas no mundo. Sob condições naturais provoca diferentes quadros clínicopatológicos em diversas espécies animais.
Bruno José Martini Santos +5 more
doaj +1 more source
In order to identify the effect of P. arachnoideum, we studied 11 native tree species commonly used in reforestation projects. Bioassays were conducted in laboratory to evaluate the effect of bracken leachate on the germination and morphology of ...
DM. Silva Matos, TA. Belinato
doaj +1 more source
RESULTADOS LABORATORIAIS COMPARATIVOS EM FÊMEAS NELORE DE DIFERENTES CATEGORIAS PROVENIENTES DE FAZENDAS COM E SEM A PRESENÇA DE Pteridium arachnoideum NAS PASTAGENS [PDF]
A Pteridium arachnoideum, anteriormente classificada como Pteridium aquilinum, popularmente conhecida por samambaia, é um dos vegetais tóxicos mais preocupantes em vários países, incluindo o Brasil.
Marçal, Wilmar Sachetin +1 more
core +4 more sources

