Quality characteristics of the selected variant of Paulownia tomentosa (Robust4) wood cultivated in Hungary

Besides the continuously increasing demand for wood, the significant increase in its price also contributes to the increasingly broader use of fast-growing wood species and cultivars. Newer variants are continue to be cross-bred as a result. In case of a new variant within a species, it is question...

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Main Author: Szabolcs Komán
Format: Article
Language:English
Published: Universidad del Bío-Bío 2022-09-01
Series:Maderas: Ciencia y Tecnología
Subjects:
Online Access:https://revistas.ubiobio.cl/index.php/MCT/article/view/5650
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author Szabolcs Komán
author_facet Szabolcs Komán
author_sort Szabolcs Komán
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description Besides the continuously increasing demand for wood, the significant increase in its price also contributes to the increasingly broader use of fast-growing wood species and cultivars. Newer variants are continue to be cross-bred as a result. In case of a new variant within a species, it is questionable how it would adapt to a particular climatic environment and the quality of wood it would yield. The characteristics of the Paulownia tomentosa (Robust4) wood obtained from Hungarian plantations of are generally identical to those of the Paulownia tomentosa. The value of the air dry density - as typically for paulownia species- are very low i.e. 273 kg/m3. Its strength values (compressive strength: 9,6 MPa; tensile strength: 39,3 MPa; bending strength: 41,7 MPa; modulus of elasticity: 4116 MPa; impact bending strength: 1,4 J/cm2) also reach, and in some cases, exceed those of the Paulownia tomentosa (Thunb.) Steud. and the Paulownia Clone in vitro 112 variant. Based on these, we can expect the same wood quality from the Robust4 version as from the other paulownia variants.
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spelling doaj.art-63ac1bebed3c4a29b4d317699f4d6e8f2023-06-12T16:58:17ZengUniversidad del Bío-BíoMaderas: Ciencia y Tecnología0717-36440718-221X2022-09-012510.4067/s0718-221x2023000100401Quality characteristics of the selected variant of Paulownia tomentosa (Robust4) wood cultivated in HungarySzabolcs Komán Besides the continuously increasing demand for wood, the significant increase in its price also contributes to the increasingly broader use of fast-growing wood species and cultivars. Newer variants are continue to be cross-bred as a result. In case of a new variant within a species, it is questionable how it would adapt to a particular climatic environment and the quality of wood it would yield. The characteristics of the Paulownia tomentosa (Robust4) wood obtained from Hungarian plantations of are generally identical to those of the Paulownia tomentosa. The value of the air dry density - as typically for paulownia species- are very low i.e. 273 kg/m3. Its strength values (compressive strength: 9,6 MPa; tensile strength: 39,3 MPa; bending strength: 41,7 MPa; modulus of elasticity: 4116 MPa; impact bending strength: 1,4 J/cm2) also reach, and in some cases, exceed those of the Paulownia tomentosa (Thunb.) Steud. and the Paulownia Clone in vitro 112 variant. Based on these, we can expect the same wood quality from the Robust4 version as from the other paulownia variants. https://revistas.ubiobio.cl/index.php/MCT/article/view/5650Mechanical propertiesPaulownia tomentosaRobust4shrinkageswellingwood density
spellingShingle Szabolcs Komán
Quality characteristics of the selected variant of Paulownia tomentosa (Robust4) wood cultivated in Hungary
Maderas: Ciencia y Tecnología
Mechanical properties
Paulownia tomentosa
Robust4
shrinkage
swelling
wood density
title Quality characteristics of the selected variant of Paulownia tomentosa (Robust4) wood cultivated in Hungary
title_full Quality characteristics of the selected variant of Paulownia tomentosa (Robust4) wood cultivated in Hungary
title_fullStr Quality characteristics of the selected variant of Paulownia tomentosa (Robust4) wood cultivated in Hungary
title_full_unstemmed Quality characteristics of the selected variant of Paulownia tomentosa (Robust4) wood cultivated in Hungary
title_short Quality characteristics of the selected variant of Paulownia tomentosa (Robust4) wood cultivated in Hungary
title_sort quality characteristics of the selected variant of paulownia tomentosa robust4 wood cultivated in hungary
topic Mechanical properties
Paulownia tomentosa
Robust4
shrinkage
swelling
wood density
url https://revistas.ubiobio.cl/index.php/MCT/article/view/5650
work_keys_str_mv AT szabolcskoman qualitycharacteristicsoftheselectedvariantofpaulowniatomentosarobust4woodcultivatedinhungary