Results 11 to 20 of about 722 (177)

Bertholletia excelsa Bonpl.

open access: yes, 2022
Published as part of Molino, Jean-François, Sabatier, Daniel, Grenand, Pierre, Engel, Julien, Frame, Dawn, Delprete, Piero G., Fleury, Marie, Odonne, Guillaume, Davy, Damien, Lucas, Eve J. & Martin, Claire A., 2022, An annotated checklist of the tree species of French Guiana, including vernacular nomenclature, pp.
Molino, Jean-François   +10 more
openaire   +3 more sources

How old are large Brazil-nut trees (Bertholletia excelsa) in the Amazon? Que idade podem alcançar as castanheiras (Bertholletia excelsa) da Amazônia?

open access: yesScientia Agricola, 1994
The age of a large Brazil-nut tree (Bertholletia excelsa) is measured by radiocarbon dating, and a discussion is made about their importance in the Amazon rain-forest ecosystem.A idade de uma castanheira (Bertholletia excelsa) grande é medida por datação
P.B. de Camargo   +3 more
doaj   +1 more source

CRESCIMENTO E EFICIÊNCIA DO USO DA ÁGUA DE PLANTAS JOVENS DE CASTANHEIRA-DA-AMAZÔNIA EM ÁREA DEGRADADA E SUBMETIDAS À ADUBAÇÃO

open access: yesCiência Florestal, 2012
This work objectives to analyze the absolute growth rate (AGR), leaf gas exchange and leaf water potential (YW) of young Brazil nut (Bertholletia excelsa Humb.
Marciel José Ferreira   +2 more
doaj   +3 more sources

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

Fruits, Seeds and Oil of Brazil Nuts Produced in Mato Grosso State

open access: yesFloresta e Ambiente, 2019
Bertholletia excelsa (Brazil nut) is the only representative of the Bertholletia genus, but presents great phenotypic variability. The objective of this study was to characterize the fruits, seeds and crude oil of Brazil nuts from the state of Mato ...
Silvia de Carvalho Campos Botelho   +7 more
doaj   +1 more source

First Record of Brazil nut Pollinators Outside Amazon Biome

open access: yesFloresta e Ambiente, 2022
We present the first records of insect visitors and pollinators of Bertholletia excelsa (Lecythidaceae) in a 25 years plantation outside the Amazon biome, flowering and producing Brazil nuts. We installed a platform to observe and photograph the insects.
Clarissa de Moraes Sousa   +11 more
doaj   +1 more source

Effect of Mechanical, Chemical and Physical Scarification on the Germination of Brazil Nut Seeds (Bertholletia excelsa Bonpl.) in Peru [PDF]

open access: yesNature Environment and Pollution Technology
Bertholletia excelsa Bonpl. (Brazil nut) is an economically important species in the Amazon, whose natural seed production takes between 365 and 545 days and shows low germination rates.
Josue Ely Ponce-Avila, Jairo Edson Gutiérrez-Collao, Julio Miguel Ángeles-Suazo, Charles Frank Saldaña-Chafloque, Benancio Pantoja-Medina, Rodrigo Ponce-Escobal and Flor Yenny Tucto-Ortega
doaj   +1 more source

Caracterização de uma doença fúngica na Castanha-do-Brasil (Bertholletia excelsa H.B.K.) [PDF]

open access: yesActa Amazonica, 1984
Neste trabalho, objetivou-se a caracterização de uma enfermidade ainda nova para o Estado do Acre, na castanha-do-brasil (Bertholletia. excelsa), onde, após, exames macro e microscópios, foi constatado que tal doença era causada pelo fungo do gênero ...
Jorgete Daher de Andrade   +1 more
doaj   +1 more source

The oven-drying method for determination of water content in Brazil nut

open access: yesBioscience Journal, 2018
The official methods adopted by different worldwide agencies for determination of water content of Brazil nut is the dissication in drying oven at 105 ºC during 3 or 24 hours and dissication until constant height of samples.
Jeandson da Silva Carneiro   +4 more
doaj   +3 more sources

Análise da rancidez oxidativa em castanhas do Brasil em diferentes condições de armazenamento

open access: yesRevista Brasileira de Obesidade, Nutrição e Emagrecimento, 2020
As castanhas do Brasil são vulneráveis a oxidação lipídica, o que pode comprometer sua qualidade nutricional e benefícios à saúde. O objetivo do estudo foi analisar a rancidez oxidativa em castanhas do Brasil sob diferentes condições de armazenamento.
Jéssica Casagrande   +2 more
doaj  

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