Results 51 to 60 of about 16,208 (203)

Characterization of the fire behaviour of tropical wood species for use in the construction industry [PDF]

open access: yes, 2016
It is widely acknowledged that wood is a combustible and flammable material. However, not all woods have the same fire behaviour; this can change significantly depending on the type and species of wood.
Giraldo, Pilar   +6 more
core  

Sustainable coffee agroforestry in adverse climatic conditions in Nicaragua [PDF]

open access: yes, 2019
Coffee production has been threatened by increasing climate variability. Shaded coffee has been suggested as a promising strategy to cope with the effects of global climate changes.
Barrios, Mirna   +5 more
core  

Nature's Shield: Exploring Nonglandular Trichomes (NGT) as Key Players in Plant Defense Mechanisms

open access: yesPlant Direct, Volume 9, Issue 11, November 2025.
ABSTRACT Trichomes are found on almost all terrestrial plants and are derived from epidermal cells. Nonglandular trichomes (NGTs) protect plants from environmental stress, such as pest and pathogen invasion, reduce water loss, and increase resistance to abiotic stressors, including UV radiation, cold, and extreme temperatures.
Muhammad Ahmad   +10 more
wiley   +1 more source

Evaluación de medios de cultivo in vitro para especies forestales nativas en peligro de extinción en ecuador

open access: yesAgronomía Costarricense, 2018
Las especies nativas Myroxylon balsamum (bálsamo), Tabebuia crhysantha (guayacán) y Tabebuia billbergii (madero negro), son especies forestales endémicas del bosque seco de la costa del Ecuador y Perú.
Blanca Indacochea   +6 more
doaj   +1 more source

Are lichens biocompasses? Revisiting an old prediction using new techniques

open access: yesPlant Biology, Volume 27, Issue 6, Page 1150-1157, October 2025.
The equator‐facing portions of tree trunks receive direct sunlight and create restrictive microclimate conditions for lichens that orient preferentially towards the Earth's poles where trunks are shaded, indicating an optimal zone at the fine‐scale radial dimension.
B. B. S. Nunes   +4 more
wiley   +1 more source

Constituintes químicos de Tabebuia Impetiginosa (Mart) Standl. Bibnoniaceae

open access: yesSemina: Ciências Exatas e Tecnológicas, 2004
O extrato em acetato de etila da madeira de Tabebuia impetiginosa forneceu lapachou, desidro  -a-   lapachona, lapa-chenol, ácido vanílico e sitosterol.
Dalva Trevisan Ferreira   +2 more
doaj   +1 more source

Plant species first recognised as naturalised for New South Wales in 2002 and 2003, with additional comments on species recognised as naturalised in 2000–2001 [PDF]

open access: yes, 2013
Information is provided on the taxonomy and distribution of 71 taxa of naturalised or naturalising plants newly recorded for the state of New South Wales during the period 1 January 2002 to 31 December 2003.
Barker, Clive H.   +3 more
core  

A pedo‐isotopic approach to study sandy soils of the Brazilian Cerrado in Piauí State

open access: yesAgrosystems, Geosciences &Environment, Volume 8, Issue 3, September 2025.
Abstract Sandy soils dominate Brazil's Cerrado biome in Piauí State, yet their organic carbon (OC) stabilization mechanisms and landscape‐driven pedogenesis remain poorly understood. To clarify this topic, the present study proposes a pedo‐isotopic approach to characterize six representative Brazilian Cerrado soils derived from sedimentary rocks in ...
Ronny Sobreira Barbosa   +8 more
wiley   +1 more source

Green Propolis Extract‐Mediated Synthesis of Biogenic Silver Nanoparticles: In Vitro Antileishmanial and Antibacterial Activities, Cytotoxicity and Ex Vivo Irritation Testing

open access: yesChemistry &Biodiversity, Volume 22, Issue 9, September 2025.
ABSTRACT This study describes the green synthesis, characterization, and biological evaluation of silver nanoparticles (AgNPs) obtained from green propolis (AgNPs‐PRO). Before nanoparticles synthesis, a hydroethanolic green propolis extract (GPE) was obtained through ultrasound‐assisted extraction and characterized by high‐performance liquid ...
Erica Tirzah S. Lima   +13 more
wiley   +1 more source

Germinação de sementes e emergência de plântulas de Tabebuia rosea (Bertoloni) a.p. de Candolle (Bignoniaceae), uma espécie exótica com potencial invasor Seed germination and seedling emergence of Tabebuia rosea (Bertoloni) A.P. de Candolle (Bignoniaceae), an exotic species whith invasive potential

open access: yesRevista Árvore, 2007
Este estudo teve por objetivo determinar os efeitos da temperatura e da luz na germinação de sementes de Tabebuia rosea, bem como avaliar a influência dos ambientes de pleno sol e sob dossel na emergência de suas plântulas.
Fábio Socolowski, Massanori Takaki
doaj   +1 more source

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