Results 1 to 10 of about 31,217 (261)

Bioactive Activities of the Phenolic Extract from Sterile Bracts of Araucaria angustifolia. [PDF]

Antioxidants (Basel), 2022
Sterile bracts can represent 80% of Araucaria angustifolia pinecone and are a rich source of phenolic compounds. This study aimed to optimize the extraction of the phenolic compounds from Araucaria angustifolia bracts using response surface methodology ...
Fischer TE, Marcondes A, Zardo DM, Nogueira A, Calhelha RC, Vaz JA, Barros L, Zielinski AAF, Alberti A.   +8 more
europepmc   +2 more sources

Economic Evaluation of Conservation through Use of an Araucaria angustifolia Provenance and Progeny Test. [PDF]

Plants (Basel)
Araucaria angustifolia is a species known for its valuable wood and nuts, but it is threatened with extinction. The plantation of forests for genetic resource conservation is a complementary strategy designed to reduce the species’ genetic variability ...
Machado JAR, Freitas MLM, Paiva DI, Souza BM, Sousa VA, Martins K, Oliveira EB, Aguiar AV.   +7 more
europepmc   +2 more sources

Proteomic Analysis of S-Nitrosation Sites During Somatic Embryogenesis in Brazilian Pine, Araucaria angustifolia (Bertol.) Kuntze. [PDF]

Front Plant Sci, 2022
Cysteine S-nitrosation is a redox-based post-translational modification that mediates nitric oxide (NO) regulation of various aspects of plant growth, development and stress responses.
Borges Araujo AJ, Cerruti GV, Zuccarelli R, Rodriguez Ruiz M, Freschi L, Singh R, Moerschbacher BM, Floh EIS, Wendt Dos Santos AL.   +8 more
europepmc   +2 more sources

Arbuscular mycorrhizal fungal communities in native and in replanted Araucaria forest Comunidades de fungos micorrízicos arbusculares em floresta nativa e replantada de Araucária [PDF]

Scientia Agricola, 2009
Araucaria angustifolia is an important Brazilian conifer, but it is endangered of extinction due to excessive logging. The objective of the present case study was to survey data on the diversity of AMF in Araucaria angustifolia forests, and to learn ...
Milene Moreira, Dilmar Baretta, Siu Mui Tsai, Elke Jurandy Bran Nogueira Cardoso   +3 more
doaj   +5 more sources

A importância das unidades de conservação na manutenção da diversidade genética de araucária Araucaria angustifolia no Estado de Santa Catarina

Biodiversidade Brasileira, 2012
Araucaria angustifolia (Bertol.) Kuntze, conhecida como araucária, é uma árvore nativa da Mata Atlântica, característica da tipologia Floresta Ombrófila Mista. Espécie de importância econômica e ecológica, encontra-se ameaçada de extinção.
Tiago Montagna, Diogo Klock Ferreira, Felipe Steiner, Fernando André Loch Santos da Silva, Ricardo Bittencourt, Juliano Zago da Silva, Adelar Mantovani, Maurício Sedrez dos Reis   +7 more
doaj   +4 more sources

Microenxertia e sua caracterização morfológica em Araucaria angustifolia Micrografting morphological characterization in Araucaria angustifolia [PDF]

Ciência Rural, 2008
O objetivo deste trabalho foi determinar a melhor técnica para microenxertia em Araucaria angustifolia. Para isto, foram realizadas auto-enxertias em plantas germinadas in vitro, com 2, 6 e 12 meses de idade.
Justina Inês Anselmini, Flávio Zanette
doaj   +5 more sources

Occurrence of diazotrophic bacteria in Araucaria angustifolia Ocorrência de bactérias diazotróficas em Araucaria angustifolia

Scientia Agricola, 2007
Araucaria angustifolia is an environmentally threatened tree and the whole biota of the Araucaria Forest should be investigated with the aim of its preservation.
Rafaela de Fátima Neroni, Elke Jurandy Bran Nogueira Cardoso   +1 more
doaj   +2 more sources

Growth inhibition of an Araucaria angustifolia (Coniferopsida) fungal seed pathogen, Neofusicoccum parvum, by soil streptomycetes. [PDF]

BMC Microbiol, 2013
Background: Araucariaceae are important forest trees of the southern hemisphere. Life expectancy of their seedlings can largely be reduced by fungal infections.
Dalmas FR, Astarita L, Defilippis L, Magel E, Fiedler HP, Bauer R, Hampp R.   +6 more
europepmc   +3 more sources

Endophytic fungi associated with Araucaria angustifolia (Bertol.) Kuntze

Anais da Academia Brasileira de Ciências
The diversity of endophytes and their ecological relationships with the endangered conifer Araucaria angustifolia (a critically endangered species) are unrevealed. This study aimed to characterize the diversity of endophytic fungi associated with A. angustifolia.
DANIELI B. GROFF, JÉSSICA MARMENTINI, ANDRÉ LUIZ GAGLIOTI, PAULO ROBERTO DA SILVA, ADRIANA KNOB   +4 more
openaire   +4 more sources

Influence of Climate and Solar Variability on Growth Rings of Araucaria angustifolia in Três Barras National Forest (Brazil)

Atmosphere
This research applies continuous wavelet analysis and seasonal correlation analysis to tree-ring data from Três Barras National Forest (FLONA Três Barras), revealing diverse influences on growth, including climate, solar activity, and external factors ...
Daniela Oliveira Silva Muraja, Virginia Klausner, Alan Prestes, Aline Conceição da Silva, Cecília Leite Lemes   +4 more
doaj   +2 more sources