Results 101 to 110 of about 5,261 (228)

VEGETATIVE RESCUE AND CUTTINGS PROPAGATION OF Araucaria angustifolia (Bertol.) Kuntze

Revista Árvore, 2015
Brazilian pine or araucaria (Araucaria angustifolia) is a coniferous tree with great economic, social and environmental importance in southern Brazil, being exploited for both wood production and for its edible pine nuts.
Ivar Wendling, Gilvano Ebling Brondani
doaj   +1 more source

Physiological and ultrastructural responses during drying of recalcitrant seeds of Araucaria angustifolia

Seed Science and Technology, 2017
The intense exploration of forests for wood production in Brazil over the past decades has led to the reduction of the population of native trees with economic importance and many efforts have been carried out to conserve these species. The purpose of this study was to characterise the germination process and evaluate the effect of different drying ...
Gasparin, E., Faria, J.M.R., José, A.C., Hilhorst, H.W.M.   +3 more
openaire   +2 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   +1 more source

Forests and climate change: adaptation and mitigation [PDF]

ETFRN news No. 50: Forests and Climate Change: adaptation and mitigation. This newsletter contains interesting materials for those who think about the question how to proceed with forests and climate change after Copenhagen, with or without an agreement.
Bodegom, A.J., van, Savenije, H., Wit, M., de   +2 more
core   +1 more source

Fungos associados a sementes de açaí: efeito da temperatura e do teor de água das sementes durante o armazenamento. [PDF]

, 2015
O trabalho teve como objetivo verificar os efeitos do teor de água e da temperatura do ambiente de armazenamento na incidência de fungos e na germinação de sementes de açaí (Euterpe oleracea Mart.).
MORAES, M. H. D., NASCIMENTO, W. M. O. do   +1 more
core   +1 more source

Minimum price guarantee policy for araucaria seed

, 2015
O pinhão, semente da espécie Araucaria angustifolia (Bertol.) Kuntze, é muito presente nas mesorregiões Sudeste e Centro Sul do estado do Paraná, sendo considerado um dos principais produtos florestais não madeireiros (PFNM) do estado. O comércio de pinhão ocorre de maneira irregular, pois os produtores não têm dimensão exata das mudanças de preços e ...
Ribeiro, Rodrigo Medeiros, Santos, Anadalvo Juazeiro dos, Bittencourt, Alexandre   +2 more
openaire   +1 more source

Reproductive biology and pollination of Aechmea distichantha Lem. (Bromeliaceae) Biologia reprodutiva e polinização em Aechmea distichantha Lem. (Bromeliaceae)

Acta Botânica Brasílica, 2011
Reproductive biology, including phenology, flower biology, pollination, and the reproductive system in the bromeliad Aechmea distichantha were studied in an Araucaria forest in the state of Paraná.
Gilson João Scrok, Isabela Galarda Varassin   +1 more
doaj   +1 more source

Curtis\u27s botanical magazine. [PDF]

v.78=ser.3:v.8 (1852) [no.4623 ...
Bentham-Moxon Trust., Bentham-Moxon Trust., Curtis, William, 1746-1799, Hooker, Joseph Dalton, 1817-1911, Hooker, William Jackson, Sir, 1785-1865, Prain, D. 1857-, Royal Botanic Gardens, Kew., Royal Horticultural Society (Great Britain), Stanley Smith Horticultural Trust, Stanley Smith Horticultural Trust., Stapf, O. (Otto) 1857-1933   +10 more
core   +1 more source

Study of the reproductive phenology of Araucaria angustifolia in two environments of Argentina: Its application to the management of a species at risk

Global Ecology and Conservation, 2018
Araucaria angustifolia is an extinction-threatened arboreal anemophilous conifer species native to Argentina and Brazil. A progressive scarcity of seeds that affects the natural regeneration and the development of new plantations has been observed ...
Bárbara E. Simón, Fabiana Latorre, Cristian Rotundo   +2 more
doaj   +1 more source

Study of Araucaria angustifolia nuts by Gamma Spectrometry and X-Ray Fluorescence

Revista de la Sociedad Científica del Paraguay, 2019
The seed of Araucaria angustifolia is largely produced and consumed in Parana state, Brazil. It has an estimated annual consumption of approximately 0.167 kg per capita. The samples of seeds were acquired in 8 different commercial points of Londrina city
Edher Zacarías Herrera, Avacir Casanova Andrello, Carlos Roberto Appoloni   +2 more
doaj   +1 more source