Now showing items 1-10 of 294
Structural and ultrastructural aspects of ontogenesis and differentiation of resin secretory cavities in Hymenaea stigonocarpa (Fabaceae-Caesalpinioideae) leaves
(Nordic Journal of Botany, 2006-01-01) [Artigo]
Cell lysis in the formation of secretory cavities in plants has been questioned by some authors and considered as result of technical artifacts. To describe the formation of secretory resin cavities in Hymenaea stigonocarpa ...
Phytotoxicity of ethanolic extract of turnip leaves (raphanus sativus l.)
(Bioscience Journal, 2014-05-01) [Artigo]
The study of allelopathic activity has been aim of research that evaluates mainly species used in green fertilization. Raphanus sativus L. stands out among these species, because it shows high capacity for nutrient recycling, ...
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 ...
POLLINATION STRATEGIES IN BRAZILIAN PHILODENDRON SPECIES
(Berichte Der Deutschen Botanischen Gesellschaft, 1984-01-01) [Artigo]
Starch accumulation in cassava roots: spatial and temporal distribution
(African Journal of Agricultural Research, 2013) [Artigo]
The relationship between starch and morpho-physiology aspects of cassava plant has not been identified. Considering this aspects, the present study showed the temporal and spatial distribution of starch grains in storage ...
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 ...
Vascular flora of a cerrado sensu stricto remnant in pratânia, state of São Paulo, southeastern Brazil
(Check List, 2010-12-01) [Artigo]
The Cerrado (Brazilian savanna) has suffered massive destruction in recent years, mainly due to the expansion of agricultural areas. Many remnants of this vegetation are still poorly studied. Therefore, the purpose of this ...
Ultrastructure and cytochemistry of the pearl gland in Piper regnellii (Piperaceae)
(Nordic Journal of Botany, 1999-01-01) [Artigo]
Pearl glands are scattered throughout the lamina of developing leaves and rarely found on adult leaves of Piper regnellii (Piperaceae). The pearl gland is a bicellular secretory trichome composed of a short broad basal ...
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 ...