Results 71 to 80 of about 173,294 (275)

Microlobiusxylon paranaensis gen. et sp. nov. (fabaceae, mimosoideae) from the pliocene-pleistocene of ituzaingó formation, paraná basin, Argentina [PDF]

, 2010
A fossil wood with Fabaceae affinity from the Pliocene-Pleistocene sediments of Ituzaingó Formation is described. The silicified wood was collected at the Toma Vieja fossil locality, Paraná Basin, Argentina.
Brea, Mariana, Franco, María Jimena
core   +1 more source

Flavonoids as Anxiolytics in Animal Tests: Systematic Review, Meta‐Analysis, and Bibliometrical Analysis

Phytotherapy Research, Volume 40, Issue 1, Page 77-99, January 2026.
ABSTRACT Flavonoids are natural secondary metabolites of plants with a basic composition derived from polyphenols that can produce a plethora of different neurophysiological effects, some of which are relevant to anxiety disorders. As such, many flavonoids have been evaluated in behavioral screens in preclinical research on anxiolytics.
Jhennify Albuquerque Machado, Danilo Brandão Araújo, Monica Lima‐Maximino, Diógenes Henrique de Siqueira‐Silva, Bernardo Tomchinsky, Jonathan Cueto‐Escobedo, Juan Francisco Rodríguez‐Landa, Caio Maximino   +7 more
wiley   +1 more source

Estudo sobre produção e comercialização de bromélias nas regiões Sul e Sudeste do Brasil.

Revista Brasileira de Horticultura Ornamental, 1999
Este trabalho contribui para elucidar a situação em que se encontra a produção e comercialização de bromélias ornamentais nas regiões Sul e Sudeste do Brasil, em virtude de sua crescente utilização como plantas ornamentais. Foram entrevistados 23 produtores nas suas respectivas áreas de cultivo.
Fabíola Saporiti Angerami De Andrade, Maria Esmeralda Soares Payão Demattê   +1 more
openaire   +2 more sources

A Novel Sampling Protocol for Fruit‐Feeding Butterflies in Grasslands and Open Habitats

Austral Ecology, Volume 51, Issue 1, January 2026.
This study proposed a novel sampling protocol for fruit‐feeding butterflies in grasslands and open areas in the subtropical region. The new method involves the use of Van Someren‐Rydon bait traps placed on specific supports closer to the ground, aiming to capture the true diversity of butterflies in these habitats.
Cristiano Agra Iserhard, Leandro Duarte, Bianca Machado, Aline Richter   +3 more
wiley   +1 more source

Innovation Policy in an Emerging Economy: How Regional and Technological Disparities Moderate the Effects of a National Law

Review of Policy Research, Volume 43, Issue 1, January 2026.
ABSTRACT The Innovation Law, enacted in Brazil in 2004, laid the regulatory and institutional foundations for the national innovation system, aiming to promote closer interaction between universities, research institutions, and industry. However, nearly two decades after its implementation, its influence on the national innovation system remains ...
Breno Valente Fontes Araújo, Ana Claudia Azevedo, Fernanda Maria de Almeida, Cristiana Tristão Rodrigues   +3 more
wiley   +1 more source

Cartografia dos remanescentes florestais do municipio de Campinas-SP, Brasil [PDF]

, 2015
Este trabalho apresenta os resultados relativos ao mapeamento dos remanescentes florestais do município de Campinas, Brasil, realizado através de técnicas de sensoriamento remoto e geoprocessamento.
BATISTELLA, M., COUTINHO, A. C., MIRANDA, E. E. de, MIRANDA, J. R.   +3 more
core  

Antimicrobial Activity and Chemical Constituents of Siparuna guianensis (Siparunaceae)

Chemistry &Biodiversity, Volume 22, Issue 11, November 2025.
ABSTRACT Siparuna guianensis (Siparunaceae) is an Amazonian plant known by the popular name of Negramina. There are several reports of the use of this plant in folk medicine. In the present work, we decided to study its extracts, aiming at the isolation of compounds and verifying their antimicrobial activities.
Olência Mento Manuensa Vilanculo, Mayra Suelen da Silva Pinheiro, Luana Cardoso de Oliveira, Dayenne Alexa Araújo de Souza, Sandra Valeria Dias Cardoso, Sebastião da Cruz Silva, Patrícia Santana Barbosa Marinho, Andrey Moacir do Rosario Marinho   +7 more
wiley   +1 more source

Cultivo orgânico de cebola no Submédio do Vale do São Francisco. [PDF]

, 2017
No Brasil, a cebola (Allium cepa) é a hortaliça economicamente mais importante, depois da batata e do tomate. O valor médio da produção de cebola curada gira em torno de U$$ 200 milhões.ano, equivalente a 8% do valor bruto das hortaliças.
ARAÚJO, J. F., COSTA, N. D., PINTO, J. M., RESENDE, G. M. de, SANTOS, C. A. F., YURI, J. E.   +5 more
core   +1 more source

Peronosclerospora sorghi, o agente etiológico do míldio do sorgo. [PDF]

, 2018
O agente etiológico do míldio do sorgo, Peronosclerospora sorghi, infecta as culturas do sorgo (Sorghum spp.) e do milho (Zea mays). Esse patógeno encontra-se disseminado em muitas regiões tropicais e subtropicais do mundo e pode ocasionar danos ...
BARBOSA, F. C. R., CASELA, C. R., PFENNING, L. H.   +2 more
core   +1 more source

Habitat Conditions and Neighborhood Interactions Drive the Phylogenetic Structure of Seedling Assemblages in a Tropical Forest Mosaic

Biotropica, Volume 57, Issue 6, November 2025.
In poor, well‐drained sandy soils, we observed the coexistence of more closely related species, suggesting that shared evolutionary history influences which seedlings survive under these restrictive conditions. Contrary to expectations, flooded areas harbored more distantly related species, likely because pathogens and other natural enemies limit the ...
Matheus Guthierris Bitencourt Rosa, Mariana Brando Balázs da Costa Faria, Luisa Truffi, Alexandre Adalardo de Oliveira, Adriana Maria Zanforlin Martini   +4 more
wiley   +1 more source