Results 11 to 20 of about 606 (170)

Improved Estimates of Biomass Expansion Factors and Root-To-Shoot Ratios: An Approach for Different Forest Types Across a Climatic Gradient in Brazil. [PDF]

open access: yesGlob Chang Biol
This paper addresses the global greenhouse gas inventory challenge by reducing uncertainty and enabling more reliable carbon accounting to support strategic and policy decision‐making under climate variability. ABSTRACT Advancements in the current state of the art of the key drivers of biomass expansion factor (BEF) and the root‐to‐shoot ratio (R) are ...
Leite E Lopes I   +26 more
europepmc   +2 more sources

Efeito do comprimento do corpo-de-prova na velocidade ultra-sônica em madeiras [PDF]

open access: yesRevista Árvore, 2006
O presente artigo apresenta um estudo sobre a variação da velocidade ultra-sônica longitudinal em função do comprimento da peça de madeira. As espécies utilizadas foram: pinus caribaea (Pinus caribaea var.
Fabiana Goia Rosa de Oliveira   +3 more
doaj   +1 more source

INFLUENCE OF FATIGUE ON BENDING OF Pinus caribaea WOOD [PDF]

open access: yesEngenharia Agrícola, 2020
ABSTRACT This research aimed to evaluate the effect of the number of fatigue cycles (NC, 0 – reference, 450, 4500, 45000, and 90000) for frequencies (Fr) of oscillation equal to 0.5 and 1.0 Hz on the modulus of elasticity (Em) and operating stress (σm) in the static bending of Pinus caribaea wood.
André L. Christoforo   +4 more
openaire   +4 more sources

VARIABILIDADE GENÉTICA DE PRODUÇÃO DE RESINA, DAP E ALTURA EM Pinus caribaea Mor. var bahamensis Barr et Golf

open access: yesRevista do Instituto Florestal, 1996
Foram analisados dados de produção de resina, DAP e altura de um teste de progênies de polinização aberta composto de 100 tratamentos, sendo: 89 progênies de Pinus caribaea var.
Lêda Maria do Amaral Gurgel Garrido   +2 more
doaj   +1 more source

Monoterpene composition of needle oil of Pinus oocarpa and Pinus caribaea. [PDF]

open access: yesSilva Fennica, 1982
The monoterpene composition of the needle oil of Schiede ex Schltdl. and Morelet growing in Zambia were studied by means of GC-MS. needle samples were taken from 29 trees representing different clones in a seed orchard and from 43 trees in a commercial plantation in 1980.
Löyttyniemi, Kari   +3 more
openaire   +2 more sources

Pest categorisation of Pestalotiopsis microspora

open access: yesEFSA Journal, Volume 21, Issue 12, December 2023., 2023
Abstract Following an EFSA commodity risk assessment of bonsai plants (Pinus parviflora grafted on Pinus thunbergii) imported from China, the EFSA Plant Health Panel performed a pest categorisation of Pestalotiopsis microspora, a clearly defined plant pathogenic fungus of the family Pestalotiopsidaceae.
EFSA Panel on Plant Health (PLH)   +25 more
wiley   +1 more source

TESTE DE PROCEDÊNCIAS DE Pinus oocarpa Schiede EM TRÊS LOCAIS DO ESTADO DE SÃO PAULO

open access: yesRevista do Instituto Florestal, 2002
Este estudo apresenta os resultados da experimentação com procedências de Pinus ooca,pa Schiede em três locais do Estado de São Paulo: Batatais, Itapetininga e Pederneiras.
Lígia de Castro Ettori   +3 more
doaj   +1 more source

Fertilização de mudas de espécies arbóreas nativas e exóticas [PDF]

open access: yesRevista Árvore, 2003
Doses crescentes de fertilizante de liberação controlada (FLC) foram comparadas com fertilização convencional e tratamento sem fertilização. Estes tratamentos foram testados em mudas das pioneiras Guazuma ulmifolia (mutambo), Eucalyptus grandis e Pinus ...
Sebastião Pires de Moraes Neto   +4 more
doaj   +1 more source

Larvicidal effect of dried leaf extracts from Pinus caribaea against Aedes aegypti (Linnaeus, 1762) (Diptera: Culicidae) Efeito larvicida dos extratos de folhas secas de Pinus caribaea contra Aedes aegypti (Linnaeus, 1762) (Diptera: Culicidae)

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2009
In this study, the larvicidal activity of dried leaf extracts from Pinus caribaea Morelet against Aedes aegypti was evaluated for the first time. Pinus caribaea extracts were obtained by macerating dried leaves in alkaline hydroethanol, ethanol and ...
Luiz Alberto Kanis   +4 more
doaj   +1 more source

Commodity risk assessment of debarked conifer wood chips fumigated with sulfuryl fluoride from the US. [PDF]

open access: yesEFSA J
Abstract The European Commission requested the EFSA Panel on Plant Health to deliver a risk assessment on the likelihood of pest freedom from regulated EU quarantine pests, with emphasis on Bursaphelenchus xylophilus and its vectors Monochamus spp. of debarked conifer wood chips fumigated with sulfuryl fluoride as proposed by the United States (US) and
EFSA Panel on Plant Health (PLH)   +32 more
europepmc   +2 more sources

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