Results 31 to 40 of about 374 (142)

Wood resistance of Magonia pubescens (Sapindaceae), Dalbergia nigra, and Machaerium amplum (Fabaceae) to Nasutitermes sp. (Blattodea: Termitidae) [PDF]

open access: yesBrazilian Journal of Biology
Termites of the genus Nasutitermes sp. (Blattodea: Termitidae), which feed on cellulose, may cause wood to become brittle and fragile. This study aimed to evaluate the natural resistance of three native wood species: Magonia pubescens (Sapindaceae ...
S. A. G. Souza   +9 more
doaj   +1 more source

Seedborne fungal pathogens of jacaranda (Dalbergia nigra) tree

open access: yesSeed Science and Technology, 2003
Seedborne fungal pathogens reduced seedling emergence and the quality of Dalbergia nigra seedlings in Brazil. Cladosporium cladosporioides, Colletotrichum crassipes, Fusarium semitectum, Phomopsis dalbergiae and Pestalotiopsis sp. were the only fungi consistently isolated from seed samples obtained from a number of trees. Colonisation of both, pericarp
O.D. Dhingra   +3 more
openaire   +1 more source

Caracterização Morfológica da Semente, Plântula e Muda de Jacarandá-da-bahia Morphological Aspects of Seeds and Seedlings of Jacarandá-da-Bahia

open access: yesPesquisa Florestal Brasileira, 2011
<div>O objetivo do trabalho foi descrever e ilustrar os aspectos morfológicos externos e internos da semente e os aspectos externos do processo germinativo e das fases de plântula e muda de jacarandá-da-bahia (<em>Dalbergia nigra </em> ...
Gizelda Maia Rego, Edilberto Possamai
doaj   +1 more source

Transferência do N fixado por leguminosas arbóreas para o capim Survenola crescido em consórcio Transference of N fixed by legume trees to Survenola grass grown in intercropped system

open access: yesCiência Rural, 2007
O objetivo deste trabalho foi avaliar o efeito na transferência de N proveniente de três leguminosas arbóreas para o capim Survenola (Híbrido entre Digitaria setivalva e D.
Paulo Francisco Dias   +6 more
doaj   +1 more source

Genetic Structure and Diversity of Dalbergia nigra from Brazilian Atlantic Forest Fragments

open access: yesForests, 2023
Dalbergia nigra is a long-living tree endemic to the Atlantic Rain Forest. Due to its high commercial value, this species has been widely exploited for timber production and is now endangered. It is widely known that understanding patterns of genetic structure is paramount for conserving threatened species.
Mariana A. Barreto   +6 more
openaire   +1 more source

Avaliação preliminar da embebição de sementes de jacarandá-da-bahia

open access: yesPesquisa Florestal Brasileira, 2014
A atividade fisiológica das sementes inicia-se pela absorção de água, da qual resulta na reidratação dos tecidos e desencadeamento dos eventos metabólicos da germinação.
Glauciana da Mata Ataíde   +3 more
doaj   +1 more source

Anti-diabetic and anti-oxidant status of Loranthus pulverulentus obtained from two different hosts

open access: yesBangladesh Journal of Pharmacology, 2016
Leaves of Loranthus pulverulentus have been used ethnically in Pakistan for controlling blood glucose levels. The present study was designed to investigate the anti-diabetic and anti-oxidant potential of the methanolic extracted fractions of L ...
Sairah Hafeez Kamran   +3 more
doaj   +1 more source

Historical records for a 16th-century monastery: the use of jacarandá-da-bahia [PDF]

open access: yesRodriguésia
The Monastery of St. Benedict was founded in 1590 and has a very rich historical record comprising both artifacts and written records. Anatomical study of the wood of artifacts allows the species used in each to be identified.
Thaís Ferreira Siston   +3 more
doaj   +1 more source

Effects of Frequency, Temperature and Test Duration in the Viscoelasticity of Brazilian Hardwoods Used in Handmade Musical Instruments [PDF]

open access: yesMaterials Research, 2019
This study aims to make a comprehensive analysis on the viscoelastic behavior of typical tropical hardwoods and its influences in making musical instruments. For that a Dynamic-Mechanical Analysis was done and the mechanical parameters dependence on test
Júlio Ortiz Amando de Barros   +1 more
doaj   +1 more source

Heat Stress Affects the Physiological and Biochemical Quality of Dalbergia nigra Seeds in vitro

open access: yesForest Science, 2021
Abstract The jacaranda of Bahia (Dalbergia nigra (Vell.) Allemão ex Benth) is an endemic tree of a Brazilian neotropical biodiversity hotspot and is of great ecological and economic interest. Given the threat of extinction due to timber overexploitation and climate change, the present study aimed to analyze the physiological and ...
Ingridh Medeiros Simões   +11 more
openaire   +1 more source

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