Results 11 to 20 of about 1,019 (178)
The Brazilian Atlantic Forest is a global biodiversity hotspot and has been extensively mapped using satellite remote sensing. However, past mapping focused on overall forest cover without consideration of keystone plant resources such as Araucaria ...
Felipe Saad +7 more
doaj +1 more source
Microwave and convective air on drying of araucaria angustifolia seeds
Microwave drying has shorter processing times compared with convection drying, which results in high-quality products and reduced energy consumption. The objective of this study is to evaluate the drying process of Araucaria angustifolia seeds using hot air at atmospheric pressure by applying microwaves (300 W and 500 W), and comparing them with the ...
Naiara Nobre dos Reis +5 more
openaire +3 more sources
This study, conducted in a 27-year-old Araucaria angustifolia stand in the municipality of Quedas do Iguaçu (PR) county, aimed to estimate tree components, understory and accumulated litter biomasses.
Mauro Valdir Schumacher +4 more
doaj +1 more source
Somatic embryogenesis in Araucaria angustifolia
Immature and mature zygotic embryos were used as source of explants for induction of somatic embryogenesis in Araucaria angustifolia. Embryogenic cultures (EC) were only obtained from immature zygotic embryos. Basic medium, carbon source, and genotype showed a significant influence on the formation of stage I somatic embryos (SE).
A. L. Wendt dos Santos +4 more
openaire +1 more source
O objetivo do trabalho foi avaliar a deposição anual de serapilheira, bem como a devolução de macronutrientes (N, P, K, Ca e Mg) em um povoamento de Araucaria angustifolia com 17 anos de idade, em Pinhal Grande-RS.
Mauro Valdir Schumacher +3 more
doaj +1 more source
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 +7 more
doaj +3 more sources
Physiological and physical quality of local Araucaria angustifolia seed variety
Araucaria angustifolia seeds are the basis for the rural economy in southern Brazil, and the species presents different botanical varieties.
Marilia Shibata +4 more
doaj +1 more source
Central action of Araucaria angustifolia seed lectin in mice [PDF]
Possible central nervous system effects of the gymnosperm lectin from Araucaria angustifolia seeds were studied in seizure and open field tests. Male Swiss mice were administered saline (control), lectin (0.1, 1, and 10 mg/kg), flumazenil (1 mg/kg), or diazepam (1 mg/kg) intraperitoneally.
Silvânia Maria Mendes, Vasconcelos +10 more
openaire +2 more sources
Landscapes with Araucaria in South America: evidence for a cultural dimension
South American Araucaria species include Araucaria araucana (Mol.) C. Koch (Argentina and Chile) and Araucaria angustifolia (Bert.) O. Kuntze (Brazil and Argentina).
Maurício Sedrez dos. Reis +2 more
doaj +1 more source
INFLUÊNCIA DAS CONDIÇÕES AMBIENTAIS NO CRESCIMENTO DE DOIS GRUPOS ARBÓREOS EM FLORESTA COM ARAUCÁRIA
O crescimento da vegetação está relacionado com a disponibilidade de recursos naturais e a capacidade de cada espécie em utilizá-los. Por isso, o objetivo deste estudo foi avaliar o crescimento de dois grupos arbóreos: Grupo 1, correspondente a espécie ...
Simone Filipini Abrão +3 more
doaj +1 more source

