Results 21 to 30 of about 868 (201)

Germinação de sementes e crescimento de plantas de Diplusodon virgatus Pohl, Lythraceae Germination of seeds and growth of plants of Diplusodon virgatus Pohl, Lythraceae

open access: yesActa Botânica Brasílica, 1998
Sementes de D. virgatus estão presentes no banco de solo de cerrado. Com o objetivo de verificar se esta espécie pode contribuir para a recuperação de áreas de cerrado, foi realizado esse trabalho. A germinação foi verificada em luz e no escuro a 15, 20,
Fabiano Cesarino   +2 more
doaj   +1 more source

Flammability assessment of Cerrado plant species

open access: yesJournal of Biotechnology and Biodiversity, 2021
O uso do fogo pode ocasionar danos e benefícios a um ecossistema, sendo essa relação influenciada por dois fatores principais: condições meteorológicas locais e característica do material combustível. Um dos principais fatores que influenciam o processo de combustão é a inflamabilidade dos combustíveis, sendo considerado essencial a compreensão deste ...
Americo, Núria   +6 more
openaire   +1 more source

Análise de crescimento e anatomia foliar da planta medicinal Ageratum conyzoides L. (Asteraceae) cultivada em diferentes substratos Growth analysis and leaf anatomy of the medicinal plant Ageratum conyzoides L. (Asteraceae) grown on different substrates

open access: yesRevista Brasileira de Plantas Medicinais, 2010
Ageratum conyzoides L. (Asteraceae) é uma espécie herbácea que ocorre em áreas de cerrado e, por se tratar de planta medicinal, é cultivada em escala familiar.
A.A Millani   +3 more
doaj   +1 more source

Floristic composition of the cerrado in the Pé-de-Gigante Reserve (Santa Rita do Passa Quatro, southeastern Brazil) [PDF]

open access: yesActa Botânica Brasílica, 2001
We studied a 1225 ha area, composed mainly of cerrado, in Santa Rita do Passa Quatro, São Paulo State, southeastern Brazil (21°36-38'S, 47°36-39'W). In three cerrado physiognomies (campo cerrado -- a wooded savanna, cerrado sensu stricto -- a woodland ...
Marco Antônio Batalha, Waldir Mantovani
doaj   +1 more source

Multivariate analysis of agronomic, physicochemical, and physiological characters of passion fruit hybrids cultivated at different environments [PDF]

open access: yesBrazilian Journal of Biology, 2023
Simultaneous analysis studies of several agronomic traits in cultivated plants make it possible to identify phenotypic and genotypic differences due to environmental variations, such as altitude.
K. S. Maciel   +6 more
doaj   +1 more source

Vegetation structure define mite assemblage on plants: a case study in Cerrado biome

open access: yesEntomological Communications, 2022
We compared abundance and richness of mites on Miconia albicans (Sw.) Steud. (Melastomataceae) found in Cerrado grassland (CGR) and in Cerrado sensu stricto (CSS), in order to evaluate the effect of plant physiognomy on mite assemblage structure, in the
Vinicius de S. Moraes   +3 more
doaj   +1 more source

Termite Foraging on Plants of a Brazilian Savanna: the Effects of Tree Height

open access: yesSociobiology, 2018
Termites play an important role as ecosystem engineers in many tropical environments, acting as herbivore-detritivore organisms and strongly influencing vegetation structure and composition by modifying soil properties, providing nutrients by recycling ...
Geraldo Wilson Fernandes   +5 more
doaj   +1 more source

Plants from the Brazilian Cerrado with antimycobacterial effect [PDF]

open access: yesCiência e Natura, 2019
Tuberculosis constitutes a serious public health problem because it has multi-resistant forms that require treatment that is both difficult and extensive. There is a need to develop new antimycobacterial compounds, and plants represent a source of therapeutic resources. This study analyzed antimycobacterial action in eight extracts from plants found in
Franciano Dias Pereira Cardoso   +4 more
openaire   +1 more source

Cytotoxicity of Active Ingredients Extracted from Plants of the Brazilian “Cerrado” [PDF]

open access: yesNatural Product Communications, 2011
Cytotoxicity assays are needed for the screening of natural products with potential anti-inflammatory. The purpose of this study was to compare the basal cytotoxicity of active ingredients extracted from plants of the Brazilian “cerrado”. The viability was assayed with the neutral red uptake assay in Mac Coy cells after 24h of exposition.
Soares, Veronica C. G.   +9 more
openaire   +3 more sources

Exploring the overlooked diversity of plant-associated Cerrado Microfungi

open access: yesRevisão Anual de Patologia de Plantas, 2021
In this review, we present an historic account of the work on the diversity of fungi associated with plants of the Cerrado Biome, including an overview of the studies carried out by the research group of the Mycological Collection connected to the Herbarium UB (Universidade de Brasília), and the rust fungi in Herbarium IBI (Instituto Biológico, São ...
José Carmine Dianese   +5 more
openaire   +1 more source

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