Results 21 to 30 of about 6,522 (218)

Ecofisiologia de plantas da Amazônia. 2 - Anatomia foliar e ecofisiologia de Bertholletia excelsa Humb. & Benpl. (Castanha-do-pará) - Lecythidaceae. [PDF]

open access: yesActa Amazonica, 1979
Resumo Variações anatômicas nas folhas de Bertholletia excelsa (Castanha-do-pará) coletadas a diferentes alturas da mesma árvore são apresentadas aqui. Encontrou-se que da base para a copa da árvore (com as condições tornando-se gradualmente mais xéricas)
Moacyr E. Medri, Eduardo Lleras
doaj   +1 more source

Distribution extension and geographic distribution map of the Brazil-nut poison dart frog Adelphobates castaneoticus (Caldwell & Myers, 1990) (Anura: Dendrobatidae): new record for southwestern Pará State, Brazil [PDF]

open access: yesCheck List, 2014
Adelphobates castaneoticus uses the woody husks of Brazil nut trees, Bertholletia excelsa, (without nuts and filled with water) as oviposition sites. Three specimens of A.
Bruno Camera, Diones Krinski
doaj   +3 more sources

FORESTRY PERFORMANCE OF BERTHOLLETIA EXCELSA Humn. & Bonpl Lecythidaceae UNDER DIFFERENT FERTILIZERS AFTER TWO YEARS OF PLANTING

open access: yesColloquium Agrariae, 2022
The Bertholletia excelsa species is frequently used in reforestation due to its high degree of adaptability and its excellent initial growth.
José Ribamar Oliveira Rodrigues   +4 more
doaj   +2 more sources

Aflatoxins in raw Brazil nut (Bertholletia excelsa H.B.K.)

open access: yesJournal of Agricultural Studies, 2023
The Brazil nut is a nutritionally rich food, produced and consumed in tropical regions. On the other hand, it may be suitable to toxigenic fungi and consequently contamination by aflatoxins (AFL), toxic substances to consumers. In this context, the objective of this work was to evaluate the occurrence of AFL in raw Brazil nuts, that is, before being ...
Ariane Mendonça Kluczkovski   +4 more
openaire   +1 more source

Resistência mecânica do pericarpo de frutos de Bertholletia excelsa Bonpl. (Lecythidaceae). [PDF]

open access: yes, 2019
Pesquisas estão sendo desenvolvidas para a utilização de matérias-primas resistentes como alternativa para os diversos usos de madeira ou para serem combinadas com resíduos madeireiros, na confecção de lâminas e aglomerados.
FAUSTINO, C. de L., WADT, L. H. de O.
core   +1 more source

Pest potencial of Sitophilus zeamais on Brazil nut under storage conditions

open access: yesBioscience Journal, 2020
The Brazil nut, fruit of Bertholletia excelsa H.B.K., a native plant of the Amazon region and may be considered one of the main extractivist products of countries like Bolivia, Colombia, Guyana, Venezuela, Peru and Brazil.
Evaldo Martins Pires   +5 more
doaj   +3 more sources

Special issue in honour of Prof. Reto J. Strasser - Chlorophyll a fluorescence of Bertholletia excelsa Bonpl. plantations under thinning, liming, and phosphorus fertilization

open access: yesPhotosynthetica, 2020
Phosphorus (P) fertilization and liming can reduce negative effects caused by a sudden increase in light availability after thinning of forest plantations.
K.C. PIRES DA COSTA   +2 more
doaj   +1 more source

Brazil nuts: determination of natural elements and aflatoxin Castanha do Brasil: determinação de elementos naturais e aflatoxinas

open access: yesActa Amazonica, 2012
A study was carried out to evaluate the association of levels of radioactivity, selenium and aflatoxin in shelled Brazil nuts, which were classified in different sizes, for export.
Maristela Martins   +5 more
doaj   +1 more source

Anthropogenic landscape in southeastern Amazonia: contemporary impacts of low-intensity harvesting and dispersal of Brazil nuts by the Kayapó Indigenous people. [PDF]

open access: yesPLoS ONE, 2014
Brazil nut, the Bertholletia excelsa seed, is one of the most important non-timber forest products in the Amazon Forest and the livelihoods of thousands of traditional Amazonian families depend on its commercialization. B.
Maria Beatriz N Ribeiro   +6 more
doaj   +1 more source

Sustainable forest use in Brazilian extractive reserves: natural regeneration of Brazil nut in exploited populations. [PDF]

open access: yes, 2019
The emergence of Brazilian extractive reserves reinforced the notion that sustainable forest use could play a central role in conservation. Brazil nut is considered a model non-timber product for promoting conservation through use.
KAINER, K. A.   +3 more
core   +1 more source

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