Results 21 to 30 of about 731 (177)
Biodiversidade Brasileira, 2022 The Brazil-nut (Bertholletia excels Humb. Bonpl., Lecythidaceae) is a law-protected Amazon native species in Brazil, classified as vulnerable in risk terms of extinction and quite explored by extractivists.
Alisson Rangel Albuquerque +6 more
doaj +1 more source
Scientia 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
Ciência 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
Acta 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
Floresta 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
Floresta 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]
Nature Environment and Pollution TechnologyBertholletia 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]
Acta 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
Análise da rancidez oxidativa em castanhas do Brasil em diferentes condições de armazenamento
Revista 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
Revista Árvore, 2007 Plants react to changes in light and hydrological conditions in terms of quantity and composition of chloroplastidic pigments, which affects the photosynthetic properties and consequently the accumulation of plant biomass.
Ronaldo Ribeiro de Morais +4 more
doaj +1 more source