Results 51 to 60 of about 259 (144)

Effect of drying process on marupá wood color

Maderas: Ciencia y Tecnología, 2014
This research was developed after consultations with tropical timber exporters, who were facing problems with the colors of the species under study. This work aimed at characterizing Simarouba amara tropical wood color and verifying possible differences ...
Joaquim Carlos Gonçalez, Márcia Helena Bezerra Marques, Maria Cristina Sousa Karas, Gerard Janin, Patricia Gomes Ribeiro   +4 more
doaj  

Toxicity of plant extracts from Bahia, Brazil, to Atta sexdens sexdens workers (Hymenoptera: Formicidae)

Sociobiology, 2016
The aim of this study was to evaluate the toxicity of extracts of Aspidosperma spruceanum Benth ex. Mull Arg. (leaf and bark), Casearia arborea (Rich.) Urb. (leaf and branch), Casearia sylvestris Sw. (leaf and bark), Erythroxylum affine A.St.-Hil.
Mariana de Carvalho Aguiar Ribas Gomes, Vanderlúcia Fonseca de Paula, Aldenise Alves Moreira, Maria Aparecida Castellani, Guadalupe Edilma Licona de Macedo   +4 more
doaj   +1 more source

Antifungal and antitermitic potential of extracts of industrial wood waste from Central Amazon, Brazil

Maderas: Ciencia y Tecnología
Studies on wood durability have highlighted the use of new environmentally friendly substances. In this sense, research carried out with Amazonian forest species is extremely important for the discovery of new bioactive substances from durable wood and ...
Victor Fassina Brocco, Lais Gonçalves da Costa, Marcelly Cristina Monteiro de Castro, Andressa Vitoria Xavier Barbosa, Pedro Henrique da Costa Lyra, Rennata Crystine Alves Cruz da Conceição   +5 more
doaj   +1 more source

CHARACTERIZATION OF WOOD DECAY BY ROT FUNGI USING COLORIMETRY AND INFRARED SPECTROSCOPY

Ciência Florestal, 2011
Wood samples of marupá (Simarouba amara) and andiroba (Carapa guianenis) were submitted to Trametes versicolor (white rot) and Gloeophylum trabeum (brown rot) fungi attack.
Mírian de Almeida Costa, Alexandre Florian da Costa, Tereza Cristina Monteiro Pastore, Jez Willian Batista Braga, Joaquim Carlos Gonçalez   +4 more
doaj   +1 more source

Flora da Usina São José, Igarassu-PE: Rutaceae, Simaroubaceae e Picramniaceae

Rodriguésia
Este trabalho é parte da série de monografias taxonômicas de famílias ocorrentes em fragmentos de Floresta Atlântica da Usina São José, Igarassu, norte do estado de Pernambuco.
Maria Teresa Buril, Wayt W. Thomas, Marccus Alves   +2 more
doaj   +1 more source

Análise de composição florística e estrutura de um fragmento de bosque de terra firme e de um manguezal vizinhos na península de Ajuruteua, Bragança, Pará

Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2006
O presente trabalho apresenta dados sobre a composição florística e a estrutura de um fragmento de floresta de terra firme e de um manguezal na península de Ajuruteua, Bragança, Pará.
Maria Milena de Oliveira Abreu, Ulf Mehlig, Raquel do Espírito Santo Aguiar do Nascimento, Moirah Paula Machado de Menezes   +3 more
doaj   +1 more source

Efeito do intemperismo artificial em quatro madeiras tropicais monitorado por espectroscopia de infravermelho (DRIFT) Effect of artificial weathering on tropical woods monitored by infrared spectroscopy (DRIFT)

Química Nova, 2008
Four tropical woods, were investigated to compare their performance and natural resistances to artificial weathering using the diffuse reflectance infrared Fourier transform spectroscopy (DRIFT).
Tereza Cristina Monteiro Pastore, Cynara Caroline Kern de Oliveira, Joel Camargo Rubim, Kelly de Oliveira Santos   +3 more
doaj   +1 more source

Centesimal composition and physical-chemistry analysis of the edible mushroom Lentinus strigosus occurring in the Brazilian Amazon

Anais da Academia Brasileira de Ciências, 2013
The centesimal composition and the physical and chemical analyses of Lentinus strigosus, an edible mushroom occurring in the Brazilian Amazon and produced in alternative substrates based on wood and agroindustrial residues, were evaluated.
CECI SALES-CAMPOS, LIDIA M. ARAUJO, MARLI T.A. MINHONI, MEIRE C.N. ANDRADE   +3 more
doaj   +1 more source

Serragem e resíduos de frutos da Amazônia Central para produção de semente-inóculo de Panus strigellus

Pesquisa Florestal Brasileira, 2012
Neste trabalho objetivou-se realizar uma triagem de resíduos de espécies florestais da Amazônia Central para o preparo da semente-inóculo do cogumelo comestível Panus strigellus. Foram testados substratos de serragem de 11 espécies florestais. Em seguida,
Ruby Vargas-Isla, Rogério Eiji Hanada, Noemia Kazue Ishikawa   +2 more
doaj  

Influence of mechanical stress on biomass allocation in three species (Pachira aquatica Aubl., Sextonia rubra (Mez) van der Werff and Simarouba amara Aubl.) with contrasting posture control mechanisms

Annals of Forest Science
Key message The posture control in Pachira aquatica, Sextonia rubra and Simarouba amara is achieved through contrasted mechanisms involving tensile stress in wood only, bark only or both.
Barbara Ghislain, Sabrina Coste, Grégory Faure, Jocelyn Cazal, Jonathan Prunier, Bruno Clair   +5 more
doaj   +1 more source