Results 61 to 70 of about 1,224 (175)

Caracterização anatômica dos anéis de crescimento de espécies arbóreas de Florestas Ombrófila das Terras Baixas e Ombrófila Mista, no Estado do Paraná. [PDF]

open access: yes, 2014
Organizado por Patricia Póvoa de Mattos, Celso Garcia Auer, Rejane Stumpf Sberze, Katia Regina Pichelli e Paulo César ...
BOTOSSO, P. C.   +4 more
core  

Vegetative rescue, in vitro establishment and cutting technique of Drimys brasiliensis Miers

open access: yes, 2023
Drimys brasiliensis Miers, popularly known as cataia, is a tree species native to the Atlantic Forest that has phytochemical, phytotherapeutic, aromatic and economic importance, with wide use in folk medicine. It is considered a species of difficult multiplication via seeds, presenting dormancy due to embryonic immaturity.
Silva, Jaiton Jaime das Neves   +6 more
openaire   +1 more source

Estudo etnoveterinário de plantas medicinais utilizadas em animais da microrregião do Alto Médio Gurguéia – Piauí

open access: yesPubvet, 2018
Objetivou-se com o trabalho investigar, resgatar e documentar o conhecimento popular sobre a utilização de plantas medicinais na promoção da saúde animal, na microrregião do Alto Médio Gurguéia, Piauí.
Wenderson Rodrigues de Amorim   +9 more
doaj   +1 more source

Variation in leaf surface hydrophobicity of wetland plants: the role of plant traits in water retention [PDF]

open access: yes, 2017
Leaf surface wetness has numerous physiological and ecological consequences, and the morphological structures on the leaf surface can affect its extent and duration, contributing to interception rates in the scale of the whole ecosystem.
Hopkins, Richard J.   +5 more
core   +2 more sources

Phytotoxic potential of Drimys brasiliensis Miers for use in weed control

open access: yesActa Scientiarum: Agronomy, 2015
This study aims to evaluate the phytotoxicity potential of leaf and root extracts of Drimys brasiliensis on the germination and seedling growth of Panicum maximum and Euphorbia heterophylla and its influence on metaxylem cell size in the seedling roots of the latter specie.
Anese, Simoni   +4 more
openaire   +3 more sources

Effect of Leaf Water Potential on Internal Humidity and CO2 Dissolution : Reverse Transpiration and Improved Water Use Efficiency under Negative Pressure [PDF]

open access: yes, 2017
The pull of water from the soil to the leaves causes water in the transpiration stream to be under negative pressure decreasing the water potential below zero.
Grönholm, Tiia   +6 more
core   +1 more source

The use of Brazilian vegetable oils in nanoemulsions: an update on preparation and biological applications

open access: yesBrazilian Journal of Pharmaceutical Sciences
Vegetable oils present important pharmacological properties, which gained ground in the pharmaceutical field. Its encapsulation in nanoemulsions is considered a promising strategy to facilitate the applicability of these natural compounds and to ...
Lisiane Bajerski   +6 more
doaj   +1 more source

Compartimentação topossequencial e caracterização fitossociológica de um capão de Floresta Ombrófila Mista. [PDF]

open access: yes, 2019
Este trabalho teve como objetivo caracterizar a composição e estrutura florística de um capão de floresta no município de Quatro Barras, inserido em Estepe do Primeiro Planalto Paranaense, relacionando relevo e solos.
BONNET, A.   +6 more
core  

Dinâmica de crescimento de espécies arbóreas em remanescentes florestais do estado do Paraná, sob diferentes condições ambientais. [PDF]

open access: yes, 2014
Organizado por Patricia Póvoa de Mattos, Celso Garcia Auer, Rejane Stumpf Sberze, Katia Regina Pichelli e Paulo César ...
BOTOSSO, P. C.   +5 more
core  

Anticancer Activity of Natural and Semi-Synthetic Drimane and Coloratane Sesquiterpenoids [PDF]

open access: yes, 2023
Drimane and coloratane sesquiterpenoids are present in several plants, microorganisms, and marine life. Because of their cytotoxic activity, these sesquiterpenoids have received increasing attention as a source for new anticancer drugs and pharmacophores.
Beckmann, Lorenz   +3 more
core   +1 more source

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