Now showing items 1-10 of 82
Passeando e aprendendo no cerrado
(Revista Ciência em Extensão, 2011) [Resumo]
Introdução: Atividades desenvolvidas no ambiente natural, como em uma trilha, vão além de uma simples aula prática, pois, dependendo de como esta é organizada, pode permitir que o aluno elabore suas próprias interpretações ...
Antiulcerogenic activity and toxicity of bauhinia holophylla hydroalcoholic extract
(Evidence-based Complementary And Alternative Medicine, 2015-01-01) [Artigo]
Several species of Bauhinia are used in traditional medicine for the treatment of gastrointestinal diseases, diabetes, and inflammation, among other conditions. The aim of this study was to investigate the antiulcer effect ...
Ethnobotany approach taperas of maroon communities of Alcântara, Maranhão, Brasil
(International Journal of Phytocosmetics and Natural Ingredients, 2015) [Artigo]
Alcantara is the second oldest city in the state of Maranhão, which had its splendor even at the time of colonial Brazil, standing out as a major producer of sugar cane and cotton. The agrarian history of the city is old, ...
Perfilhamento do trigo afetado pela densidade de semeadura e aplicação de reguladores vegetais
(Semina-ciencias Agrarias, 2014-01-01) [Artigo]
Tillering capacity of wheat is highly influenced by environmental conditions and management practices. This research had as objective to evaluate tiller emission, survival and contribution to grain final yield affected by ...
THE EXTENT of SEED PREDATION BY BRUCHINE BEETLES (COLEOPTERA: CHRYSOMELIDAE: BRUCHINAE) IN A HETEROGENEOUS LANDSCAPE IN SOUTHEASTERN BRAZIL
(Coleopterists Bulletin, 2012-09-01) [Artigo]
In this study, seed predation rates imposed by bruchines and the composition of bruchine species and their host plants were assessed in a heterogeneous landscape in southeastern Brazil. Fruits were collected from 49 plants ...
Pollination of Anemopaegma album (Bignoniaceae) with focus on floral nectar as the mediator of interactions with mutualistic and antagonistic bees
(The International Journal of Plant Reproductive Biology, 2015) [Artigo]
We focused our study on the pollination of Anemopaegma album, a Bignoniaceae species from and on the features of primary attractive, the nectar, which mediate the interaction with mutualists and antagonists bees. We ...
Identificação de Physciaceae s.l. foliosas brasileiras
(GLALIA - Revista Electrónica del Grupo Latinoamericano de Liquenólogos, 2012) [Artigo]
In the following text, characters of taxonomic importance in Brazilian foliose Physciaceae s. l. are presented and discussed.
Bottom-up and top-down effects in a pre-dispersal seed predation system: are non-predated seeds damaged?
(Basic and Applied Ecology, 2010-01-01) [Artigo]
Seed predators that severely affect seed germination rates are well known for many plant species. Here, we hypothesised that due to differences in resource allocation within fruits, seed predation can negatively affect ...
Low abundance of long-tongued pollinators leads to pollen limitation in four specialized hawkmoth-pollinated plants in the Atlantic Rain forest, Brazil
(Naturwissenschaften, 2014-11-01) [Artigo]
Long-tubed hawkmoth-pollinated species present some of the most remarkable examples of floral specialization depending exclusively on long-tongued hawkmoths for sexual reproduction. Nonetheless, long-tongued hawkmoths do ...
Chemical composition of essential oils from the vegetative and reproductive structures of Copaifera langsdorffii Desf
(Natural Product Research, 2015-05-03) [Artigo]
GC/FID and GC-MS analysis revealed germacrene D, bicyclogermacrene, alpha-cadinol and cubenol as major compounds from aril. Germacrene D, bicyclogermacrene, trans-caryophyllene and delta-elemene are major compounds in ...