Selected Wood Properties of Prunus Africana (Hook) Grown in Kenya as Possible Reasons for its High Natural Durability

Studies were carried out on the influence of Prunus africana heartwood extractives on the growth of selected wood decay fungi. Also, wood chemical and mineral content, dimensional stability and anatomical features of P. africana were studied. Heartwood extractives were tested in 100 ppm and 500 ppm...

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Autores principales:	Francis Mburu, Peter Sirmah, Fred Muisu, Stéphane Dumarcay, Philippe Gérardin
Formato:	article
Lenguaje:	EN
Publicado:	University of Zagreb, Faculty of Forestry and Wood Technology 2013
Materias:	Prunus africana heartwood extractives fungi inhibition Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/1c44c309c06e41148f75fea5c346e1b9
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spelling	oai:doaj.org-article:1c44c309c06e41148f75fea5c346e1b92021-12-02T02:27:04ZSelected Wood Properties of Prunus Africana (Hook) Grown in Kenya as Possible Reasons for its High Natural Durability0012-67721847-1153https://doaj.org/article/1c44c309c06e41148f75fea5c346e1b92013-03-01T00:00:00Zhttp://hrcak.srce.hr/file/144816https://doaj.org/toc/0012-6772https://doaj.org/toc/1847-1153Studies were carried out on the influence of Prunus africana heartwood extractives on the growth of selected wood decay fungi. Also, wood chemical and mineral content, dimensional stability and anatomical features of P. africana were studied. Heartwood extractives were tested in 100 ppm and 500 ppm concentrations on white, brown rot, and blue stain fungi and growth inhibition was determined as a factor of time. Dimensional stability was determined by computing the swelling coefficient after the blocks were saturated with moisture. Klason lignin, Kürschner cellulose, extractive and ash contents were determined by standard procedures. Infrared analyses were performed using Perkin Elmer FTIR spectrometer. Microscopic examination was performed using an environmental scanning electron microscope. The results showed that the wood is dimensionally stable, and contains 12.7 % extractives, 37.6 % cellulose and 30.4 % lignin. Extractives deposited in vessels are highly soluble in dichloromethane and mainly composed of terpenes. Extractives were able to inhibit the growth of white rot fungi Coriolus versicolor, brown rot fungi Poria placenta and blue stain fungi Aureobasidium pullulans at different concentrations tested and could explain the high durability of Prunus africana wood species.Francis MburuPeter SirmahFred MuisuStéphane DumarcayPhilippe GérardinUniversity of Zagreb, Faculty of Forestry and Wood TechnologyarticlePrunus africanaheartwoodextractivesfungiinhibitionForestrySD1-669.5ENDrvna Industrija, Vol 64, Iss 1, Pp 19-24 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Prunus africana heartwood extractives fungi inhibition Forestry SD1-669.5
spellingShingle	Prunus africana heartwood extractives fungi inhibition Forestry SD1-669.5 Francis Mburu Peter Sirmah Fred Muisu Stéphane Dumarcay Philippe Gérardin Selected Wood Properties of Prunus Africana (Hook) Grown in Kenya as Possible Reasons for its High Natural Durability
description	Studies were carried out on the influence of Prunus africana heartwood extractives on the growth of selected wood decay fungi. Also, wood chemical and mineral content, dimensional stability and anatomical features of P. africana were studied. Heartwood extractives were tested in 100 ppm and 500 ppm concentrations on white, brown rot, and blue stain fungi and growth inhibition was determined as a factor of time. Dimensional stability was determined by computing the swelling coefficient after the blocks were saturated with moisture. Klason lignin, Kürschner cellulose, extractive and ash contents were determined by standard procedures. Infrared analyses were performed using Perkin Elmer FTIR spectrometer. Microscopic examination was performed using an environmental scanning electron microscope. The results showed that the wood is dimensionally stable, and contains 12.7 % extractives, 37.6 % cellulose and 30.4 % lignin. Extractives deposited in vessels are highly soluble in dichloromethane and mainly composed of terpenes. Extractives were able to inhibit the growth of white rot fungi Coriolus versicolor, brown rot fungi Poria placenta and blue stain fungi Aureobasidium pullulans at different concentrations tested and could explain the high durability of Prunus africana wood species.
format	article
author	Francis Mburu Peter Sirmah Fred Muisu Stéphane Dumarcay Philippe Gérardin
author_facet	Francis Mburu Peter Sirmah Fred Muisu Stéphane Dumarcay Philippe Gérardin
author_sort	Francis Mburu
title	Selected Wood Properties of Prunus Africana (Hook) Grown in Kenya as Possible Reasons for its High Natural Durability
title_short	Selected Wood Properties of Prunus Africana (Hook) Grown in Kenya as Possible Reasons for its High Natural Durability
title_full	Selected Wood Properties of Prunus Africana (Hook) Grown in Kenya as Possible Reasons for its High Natural Durability
title_fullStr	Selected Wood Properties of Prunus Africana (Hook) Grown in Kenya as Possible Reasons for its High Natural Durability
title_full_unstemmed	Selected Wood Properties of Prunus Africana (Hook) Grown in Kenya as Possible Reasons for its High Natural Durability
title_sort	selected wood properties of prunus africana (hook) grown in kenya as possible reasons for its high natural durability
publisher	University of Zagreb, Faculty of Forestry and Wood Technology
publishDate	2013
url	https://doaj.org/article/1c44c309c06e41148f75fea5c346e1b9
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Selected Wood Properties of Prunus Africana (Hook) Grown in Kenya as Possible Reasons for its High Natural Durability

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