Results 171 to 180 of about 7,908 (224)

Physiological, biochemical, and anatomical responses of Araucaria araucana seedlings to controlled water restriction.

Plant Physiology and Biochemistry, 2021
Water stress triggers acclimation responses and can damage plants, which varies by species and stress levels. Ongoing climate change is projected to result in longer and more intense water stress conditions leading to an alarming increase in drought ...
S. Papu, F. Berli, P. Piccoli, D. Patón, D. R. Ortega Rodriguez, F. Roig   +5 more
semanticscholar   +5 more sources

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Resilience capacity of Araucaria araucana to extreme drought events

Dendrochronologia, 2022
Ongoing climate change has induced modification in the frequency and intensity of extreme climatic events, with consequent impact on tree and forest growth resilience. Araucaria araucana is an endangered Patagonian conifer, which provides several ecosystem services to local human societies and plays fundamental ecological roles in natural communities ...
S. Piraino, J. Molina, Martín A. Hadad, F. R. Juñent   +3 more
semanticscholar   +3 more sources

Enrichment-planting with pines alters fuel amount and structure in endangered Araucaria araucana forests in northwestern Patagonia, Argentina [PDF]

Forest Ecology and Management, 2023
The introduction of non-native tree species for large-scale afforestation may alter the fire regime of native ecosystems by modifying fuel proprieties. We quantified changes in fuel abundance and structure resulting from the establishment of commercial ...
Sofía Cingolani, Ignacio A. Mundo, I. Barberá, A. Holz, T. Veblen, Juan Paritsis   +5 more
semanticscholar   +3 more sources

Three new species of Pewenomyces (Coryneliaceae) from Araucaria araucana in Chile

Mycological Progress, 2022
SUPPLEMENTARY FIGURE 1. Preliminary phylogeny (maximum likelihood tree for the ITS gene region) for isolates obtained from dead and discouloured tissues and fruiting bodies (ascomata) on samples of Araucaria araucana including three putative new species of Pewenomyces. Numbers on branches indicate Bootstrap values (n=1000).
F. Balocchi, S. Marincowitz, M. Wingfield, R. Ahumada, I. Barnes   +4 more
semanticscholar   +3 more sources

Constituents of the essential oil of Araucaria Araucana

Tetrahedron, 1975
Abstract The essential oil of Araucaria araucana has been shown to contain geraniolene, limonene, (+)-γ-cadinene, (−)-α-cadinol, (+)-hibaene, (−)-trachylobane, (−)-kaurene, (−)-atisirene and isokaurene/isoatisirene. This is the first record of the occurrence of geraniolene in Nature and the second for trachylobane and atisirene.
L.H. Briggs, G.W. White
openaire   +1 more source

Anatomical and Biochemical Evolutionary Ancient Traits of Araucaria araucana (Molina) K. Koch and Their Effects on Carbon Assimilation.

Tree Physiology, 2022
The study of ancient species provides valuable information concerning the evolution of specific adaptations to past and current environmental conditions.
Betsy K Rivera, P. Sáez, L. Cavieres, Sebastià Capó-Bauçà, Concepción Iñiguez, E. S. Stowasser, Francisca Fuentes, Constanza F Ramírez, V. Vallejos, J. Galmés   +9 more
semanticscholar   +1 more source

Araucaria Araucana thermoplastic starch nanocomposite films reinforced with nanocellulose

Physical Sciences Reviews, 2023
Araucaria Araucana starch is a raw material with proven potential in obtaining biodegradable polymers. Plasticization improves the flexibility characteristics of starch-based films, however, they still tend to have low tensile strength and high ...
A. Nazrin, A. S. Norfarhana, R. A. Ilyas, S. Sapuan, A. Khalina, R. Syafiq, M. Huzaifah, A. Azmi, P. S. Khoo, A. H. Nordin, H. Hawanis, S. A. Hassan   +11 more
semanticscholar   +1 more source

Bark and sapwood water storage and the atypical pattern of recharge and discharge of water reservoirs indicate low vulnerability to drought in Araucaria Araucana.

Tree Physiology, 2022
Stored water in inner tissues influences the plant water economy, which might be particularly relevant for trees facing increasing dry conditions due to climate change. We studied the water storages in the inner bark and the sapwood of Araucaria araucana.
Bucci Sandra Janet, Carbonell-Silletta Luisina, Cavallaro Agustin, Arias Nadia Soledad, Campanello Paula Inés, Goldstein Guillermo, Scholz Fabián Gustavo   +6 more
semanticscholar   +1 more source

Antifungal and Antibacterial Activities of Araucaria araucana (Mol.) K. Koch Heartwood Lignans

Zeitschrift Fur Naturforschung - Section C Journal of Biosciences, 2006
Abstract Five lignans (secoisolariciresinol, pinoresinol, eudesmin, lariciresinol, and lariciresinol-4- methyl ether) were isolated from an MeOH extract from Araucaria araucana (Mol.) K. Koch wood for the first time in this species and their structures determined with spectroscopic methods.
CARLOS L Céspedes, JOSÉ Becerra, MIGUEL Martinez   +2 more
exaly   +3 more sources

Potential biomedical applications of Araucaria araucana as an antispasmodic, bronchodilator, vasodilator, and antiemetic: Involvement of calcium channels.

Journal of Ethnopharmacology, 2022
ETHNOPHARMACOLOGICAL RELEVANCE Since pre-Columbian era, the resin of Araucaria araucana tree has been used traditionally for the treatment of ulcers and wounds.
Abdul Waheed Khan, Z. Abidin, M. U. K. Sahibzada, Muhammad Faheem, Neelam Gul Qazi, Mahboob Alam, I. Ullah, J. Uddin, Ajmal Khan, A. Al‐Harrasi   +9 more
semanticscholar   +1 more source