Results 81 to 90 of about 2,181 (189)

Flora of polliniferous importance for Apis mellifera (L.) in the region of Viçosa, MG [PDF]

open access: yes, 2011
Procurou-se conhecer a flora de importância polinífera para Apis mellifera (L.) na região de Viçosa, MG, em período de entressafra de mel, entre agosto e dezembro de 2005. O experimento foi realizado em dois apiários distintos, cada um com cinco colmeias.
LUZ, Cynthia Fernandes Pinto da   +3 more
core   +4 more sources

Variação cambial em Serjania caracasana (Sapindaceae): enfoque na adequação terminológica

open access: yesRodriguésia
RESUMO O corpus lignosum compositum, típico para as lianas da família Sapindaceae, é designado neste trabalho como "cilindro vascular composto". No caule de Serjania caracasana (Jacq.) Willd.
Neusa Tamaio, Veronica Angyalossy
doaj   +1 more source

Vascular flora of the Upper Paraná River floodplain Flora vascular da planície de inundação do Alto Rio Paraná

open access: yesBrazilian Journal of Biology, 2009
The purpose of this study was to update the floristic inventory found in the Upper Paraná River floodplain. Floristic surveys were performed from February 2000 through March 2008, as part of the Brazilian Long-Term Ecological Research Program (PELD/CNPq -
MC. Souza   +3 more
doaj   +1 more source

Vegetation units and plant resources in a Mbya Guarani village of Misiones, Argentine [PDF]

open access: yes, 2007
Se presentan los resultados de un estudio de los recursos vegetales utilizados por integrantes de la comunidad Mbya Guaraní Takuapi, localizada en el Dpto. Libertador General San Martín, Provincia de Misiones, Argentina.
Keller, Hector Alejandro
core  

Trade-offs Between Water Transport Capacity and Drought Resistance in Neotropical Canopy Liana and Tree Species [PDF]

open access: yes, 2016
In tropical forest canopies, it is critical for upper shoots to efficiently provide water to leaves for physiological function while safely preventing loss of hydraulic conductivity due to cavitation during periods of soil water deficit or high ...
De Guzman, Mark E.   +3 more
core   +1 more source

Phytotoxic activity of Serjania lethalis on the germination and growth of Panicum maximum

open access: yesBiotemas, 2014
This article analyzes the phytotoxic activity of aqueous extracts from young and mature leaves of Serjania lethalis A. St.-Hil. on the germination and growth of Panicum maximum Jacq. seeds. We prepared aqueous extracts at concentrations of 2.5, 5.0, 7.5,
Viviane de Cassia Pereira   +5 more
doaj  

Flora das cangas da Serra dos Carajás, Pará, Brasil: Sapindaceae

open access: yesRodriguésia
Resumo O presente estudo consiste em um tratamento florístico das espécies de Sapindaceae nas cangas da Serra dos Carajás, Pará, Brasil. São apresentadas chave de identificação, descrições morfológicas, ilustrações, distribuição geográfica e comentários ...
Camilo Veríssimo de Oliveira Barbosa   +2 more
doaj   +1 more source

Neutralization of pharmacological and toxic activities of Bothrops jararacussu snake venom and isolated myotoxins by Serjania erecta methanolic extract and its fractions

open access: yesJournal of Venomous Animals and Toxins including Tropical Diseases, 2011
Most of the snakebites recorded in Brazil are caused by the Bothrops genus. Given that the local tissue damage caused by this genus cannot be treated by antivenom therapy, numerous studies are focusing on supplementary alternatives, such as the use of ...
RS Fernandes   +7 more
doaj   +1 more source

Pollen analysis in honey samples from the two main producing regions in the Brazilian northeast

open access: yesAnais da Academia Brasileira de Ciências, 2007
Knowledge about the botanical source of honey is very important for the beekeeper while it indicates adequate and abundant supply sources of nectar and pollen for the bees, thus contributing toward improved yield.
Geni da S. Sodré   +3 more
doaj   +1 more source

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