Results 21 to 30 of about 3,786 (175)

Germination and abscisic acid analysis in the seeds of forest resource trees after storage at different temperatures

open access: yesForest Science and Technology, 2023
Abscisic acid (ABA) is a plant hormone that plays a significant role in various developmental and physiological processes in higher plants. In this study, ABA was quantified in Chamaecyparis obtusa, Pinus rigida × Pinus taeda, and Pinus densiflora seeds ...
Neil Patrick Uy   +3 more
doaj   +1 more source

Relative resistance to breaking of Pinus taeda and Pinus palustris [PDF]

open access: yesForestry: An International Journal of Forest Research, 2018
AbstractPatterns from hurricane damage indicate that longleaf pine is more windfirm than loblolly pine. Tree windfirmess has been attributed to many factors including species and material properties like wood strength and stiffness. Because longleaf pine wood is stronger and stiffer than loblolly pine wood, this study used static winching methodology ...
Thomas J Dean, Cory Garms
openaire   +1 more source

PLYWOOD MANUFACTURE FROM FIVE SPECIES OF TROPICAL PINE

open access: yesCiência Florestal, 2010
This research was developed aiming at evaluating the feasibility of the use of 5 species of tropical pine to plywood manufacture. The following species were studied: Pinus caribaea, Pinus chiapensis, Pinus maximinoi, Pinus oocarpa, Pinus tecunumannii and
Setsuo Iwakiri   +3 more
doaj   +1 more source

PRODUCTIVIDAD DE UN HARVESTER EN RALEOS DE PLANTACIONES DE PINOS EN EL NORESTE ARGENTINO

open access: yesCiência Florestal, 2018
Se analizó la productividad de segundos y terceros raleos en plantaciones de Pinus taeda y Pinus elliottii var. elliottii x Pinus caribaea var. hondurensis realizados con harvesters de ruedas en el Noreste Argentino.
Eduardo Hildt   +4 more
doaj   +1 more source

JUVENILE-MATURE GENETIC CORRELATIONS IN Pinus taeda CLONES PROPAGATED VIA SOMATIC EMBRYOGENESIS

open access: yesRevista Árvore, 2016
This study aimed to estimate the genetic correlation among selection ages (juvenile - adult) and efficiency of early selection for the height, diameter, and volume traits of individuals from Pinus taeda families propagated via somatic embryogenesis. This
Poliana Coqueiro Dias   +5 more
doaj   +1 more source

Growth dynamics of young trees of Araucaria angustifolia and Pinus taeda Dinâmica de crescimento de plantios jovens de Araucaria angustifolia e Pinus taeda

open access: yesPesquisa Florestal Brasileira, 2010
<p>Este estudo objetivou investigar o ritmo de crescimento mensal de plantios jovens de Araucaria angustifolia (Bert.) O. Kuntze e Pinus taeda L., ao longo do ano vegetativo, e estabelecer suas correlações com variáveis climáticas.
Sebastião do Amaral Machado   +5 more
doaj   +1 more source

Development and characterization of sawdust and sisal fiber reinforced vegetable based polyurethane foam hybrid composites

open access: yesJournal of Natural Fibers, 2022
Polyurethane foam derived from vegetable oils can be used as a matrix in composites with Pinus taeda sawdust and Agave sisalana fibers. The aim of this work was to obtain and characterize polyurethane foam composites derived from vegetable oil reinforced
Caroline Rodrigues Pereira de Paula   +2 more
doaj   +1 more source

Initial Growth of Pinus taeda by Fertilization Response at Planting

open access: yesFloresta e Ambiente, 2019
The objective of this study was to evaluate how the fertilizer composition, type and application method contribute to the initial growth of Pinus taeda applied at planting.
Paulo André Trazzi   +5 more
doaj   +1 more source

Produção de compensados de Pinus taeda L. E Pinus oocarpa Schiede com diferentes formulações de adesivo uréia formaldeído Plywood manufacturing from Pinus elliottii L. and Pinus oocarpa Schiede with different formulations of the urea-formaldheyde resin

open access: yesRevista Árvore, 2002
Este trabalho teve como objetivo avaliar a qualidade de painéis compensados de Pinus taeda e de Pinus oocarpa, com 20 e 24 anos de idade, respectivamente, utilizando três diferentes formulações de adesivo uréia-formaldeído.
Setsuo Iwakiri   +4 more
doaj   +1 more source

Effect of service temperature on shear strength of Pinus wood for roof structures

open access: yesActa Scientiarum: Technology, 2018
Temperature in timber roof trusses structures can reach 60°C and significantly affect wood strength, compromising the structural mechanical performance.
Tiago Hendrigo de Almeida   +5 more
doaj   +1 more source

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