Results 51 to 60 of about 895 (168)

Stemflow Dynamics in the Jamari National Forest (Brazilian Amazon): I. The Role of Tree Structure

open access: yesBiotropica, Volume 58, Issue 3, May 2026.
A portion of rainfall that contacts tree canopies is drained down tree stems as stemflow. Stemflow is an underexamined component of rainfall partitioning in tropical forests. To investigate how tree canopy structural attributes influence stemflow in the Brazilian Amazon, we measured stemflow, rainfall, and dendrometric parameters of 56 trees in the ...
Jeferson Alberto de Lima   +5 more
wiley   +1 more source

Germination of Bixa orellana L. under nursery conditions

open access: yesRevista de Ciências Agrárias, 2022
A espécie Bixa orellana L. é nativa da Amazônia e tem grande apreciação no mercado devido às propriedades farmacológicas dos seus frutos. Porém, as pesquisas em relação a germinação e produção de mudas são incipientes. Objetivou-se avaliar a porcentagem de germinação com e sem escarificação mecânica de sementes de Bixa orellana L.
Faião Alves Maltezo, Ketlen   +3 more
openaire   +2 more sources

Production of annatto seedlings on substrates based on decomposed babassu stem

open access: yesAgro@mbiente On-line, 2020
Annatto (Bixa orellana L.) is an important species for several sectors, industrial, food, landscape, among others, which uses parts of the plant or the entire plant.
Taciella Fernandes Silva   +5 more
doaj   +1 more source

Investigating the Chemical, Antifungal, and Cytotoxic Properties of Cochlospermum vitifolium Leaves and Stem Bark Extracts

open access: yesChemistry &Biodiversity, Volume 23, Issue 4, April 2026.
This figure contains images created by Freepik from Flaticon. ABSTRACT Comprehensive analysis of the chemical properties and bioactivities of plant extracts is essential for identifying compounds with therapeutic potential. This study analyzed hydroethanolic extracts from the leaves and stem bark of Cochlospermum vitifolium, investigating their ...
Francisco A. S. D. Pinheiro   +9 more
wiley   +1 more source

Herbarium Specimens Provide Evidence for the Early Introduction of Erysiphe quercicola Into the United States and Document New Hosts

open access: yesForest Pathology, Volume 56, Issue 2, April 2026.
ABSTRACT The powdery mildew fungus Erysiphe quercicola (Erysiphaceae) has a complex taxonomic history that has long complicated assessments of its geographic distribution and host associations. Although knowledge of the global host range of this species has expanded substantially over the past two decades, sequencing‐confirmed records from North ...
Michael Bradshaw   +8 more
wiley   +1 more source

Germinação de sementes de urucum (Bixa orellana L.) [PDF]

open access: yesRevista Brasileira de Sementes, 2002
O urucuzeiro ou urucueiro é a única espécie do gênero Bixa, sendo nativa da América tropical. Entre os corantes naturais, o urucum é o segundo em importância econômica, sendo os maiores produtores o Peru, Brasil e Quênia. A propagação por sementes vêm apresentando problemas, pois a germinação é baixa devido à dormência imposta pelo tegumento.
Custódio, Ceci Castilho   +4 more
openaire   +3 more sources

Histological analysis of Bixa orellana L. seeds v1

open access: yes, 2018
Histological analysis of Bixa orellana L. seeds
Victor Carballo-Uicab   +7 more
openaire   +1 more source

Regeneração in vitro de urucum (Bixa orellana L.) a partir de diferentes tipos de explantes In vitro regeneration of annatto (Bixa orellana L.) from various explants

open access: yesRevista Árvore, 2005
Este trabalho teve como objetivo avaliar a regeneração in vitro de plantas de urucum (Bixa orellana L.) a partir de diferentes tipos de explantes.
Jane Fiuza Rodrigues Portela de Carvalho   +2 more
doaj   +1 more source

Sensory Perception of Visually Impaired People Focused on Descriptive Sensory Analysis of Cosmetic Products

open access: yesJournal of Sensory Studies, Volume 41, Issue 2, April 2026.
ABSTRACT Some researchers suggest visually impaired people's advantage in performing touch tests reflects not increased sensitivity, but the fact of being attentive to cues normally ignored by sighted people with regular vision or the more efficient use of sensory strategies.
Pedro Alves da Rocha Filho   +1 more
wiley   +1 more source

Tocotrienols: A Review From Source to Therapeutic Applications

open access: yesFood Frontiers, Volume 7, Issue 2, March 2026.
Tocotrienols demonstrate superior antioxidant, neuroprotective, and anti‐inflammatory properties compared to conventional vitamin E forms, with promising therapeutic applications across multiple disorders when delivered through optimized systems that enhance their inherently limited bioavailability.
Natalia‐Carolina Londoño   +6 more
wiley   +1 more source

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