Results 91 to 100 of about 1,788 (205)

Induced changes in the growth of four plant species due to lead toxicity

Revista Brasileira de Engenharia Agrícola e Ambiental
Lead is a toxic metal that affects plant growth and the ecosystem. This study evaluated the lead (Pb) bioaccumulation potential of vetiver (Vetiveria zizanioides L.), sunflower (Helianthus annuus L.), elephant ear (Alocasia macrorrhiza) and ‘embaúba ...
Adriana A. Batista, Jorge A. G. Santos, Marcela R. Bomfim, Flávia M. Moreira, Emylly F. Leal, Joseane N. da Conceição   +5 more
doaj   +1 more source

Trigona corvina: An Ecological Study Based on Unusual Nest Structure and Pollen Analysis

Psyche: A Journal of Entomology, 2009
We found that the nest of Trigona corvina (Apidae; Meliponini) consists mainly of pollen exines from bee excrement, forming a scutellum shield encasing the colony.
David W. Roubik, J. Enrique Moreno Patiño   +1 more
doaj   +1 more source

Temporal variation in production and nutritional value of pollen used in the diet of Apis mellifera L. in a seasonal semideciduous forest

Sociobiology, 2019
The flora of mountain formations in the Caatinga biome is composed predominantly by semi-deciduous species with representatives of both Atlantic and Amazon forest. Information on the potential for bee pollen production of these species is limited.
José Elton de Melo Nascimento, Breno Magalhães Freitas, Alípio José de Souza Pacheco Filho, Elzania Sales Pereira, Hiara Marques Meneses, José Everton Alves, Cláudia Inês da Silva   +6 more
doaj   +1 more source

Plantas medicinais utilizadas na comunidade caiçara da Praia do Sono, Paraty, Rio de Janeiro, Brasil Medicinal plants used in the "caiçara" community of Praia do Sono, Paraty, Rio de Janeiro, Brazil

Acta Botânica Brasílica, 2011
A comunidade caiçara da Praia do Sono ainda sustenta hábitos e tradições de antigas gerações, o que foi facilitado pelo difícil acesso a esta praia.
Mariana Reis de Brito, Luci de Senna-Valle   +1 more
doaj   +1 more source

Anticonvulsant fractionation of ethanol extract of the leaves of Cecropia Peltata (Yarumo)

, 2010
En este trabajo se evaluó el efecto farmacológico ejercido sobre el sistema nervioso central por las fracciones de diferente polaridad obtenidas del extracto etanólico de Cecropia peltata.
Ospina Chávez, Jimena Andrea
core  

Medicinal and ethnoveterinary remedies of hunters in Trinidad

BMC Complementary and Alternative Medicine, 2001
Background Ethnomedicines are used by hunters for themselves and their hunting dogs in Trinidad. Plants are used for snakebites, scorpion stings, for injuries and mange of dogs and to facilitate hunting success. Results Plants used include Piper hispidum,
Georges Karla, Harper Tisha, Lans Cheryl, Bridgewater Elmo   +3 more
doaj   +1 more source

Tissue Culture Of Cecropia Glaziovii Sneth (urticaceae): Vegetative Micropropagation And Plant Regeneration From Callus [cultura De Tecidos De Cecropia Glaziovii Sneth (urticaceae): Micropropagação Vegetativa E Regeneração De Plantas Via Calos] [PDF]

, 2015
Cecropia glaziovii is a tree with used in Brazilian popular medicine. Methods allowing the clonal propagation of this species are of great interest for superior genotype multiplication and perpetuation.
Alves M.N.
core  

Antioxidant properties of species from the Brazilian cerrado by different assays

Revista Brasileira de Plantas Medicinais, 2013
The purpose of this study was to screen the antioxidant activity of medicinal plant extracts from the Brazilian cerrado, through other methods than the total phenolic content and its correlation with the antioxidant activity.
K.S. Farias, T.S.N. Santos, M.R.A.B. Paiva, S.M.L. Almeida, P.T. Guedes, A.C.A Vianna, S.P. Favaro, N.R. Bueno, R.O. Castilho   +8 more
doaj   +1 more source

Distribution and Mineralization of 14C-Hexazinone in Soil-Plant Microcosm with the Riparian Forest Specie Cecropia Hololeuca

Journal of Bioremediation & Biodegradation, 2011
Although Brazil is one of the world’s largest consumers of the herbicide hexazinone there are few studies, in the country, on the fate of this compound in the environment. This work studied the distribution and mineralization of hexazinone in a microcosm, with and without plants.
openaire   +1 more source

Plants used traditionally to treat malaria in Brazil: the archives of Flora Medicinal

Journal of Ethnobiology and Ethnomedicine, 2007
The archives of Flora Medicinal, an ancient pharmaceutical laboratory that supported ethnomedical research in Brazil for more than 30 years, were searched for plants with antimalarial use.
Botsaris Alexandros S
doaj   +1 more source