Decay capabilities of basidiomycetes colonizing air-seasoning red oak and blackgum railroad ties

Fungi cultured from air-seasoning blackgum and red oak timbers were assessed for their ability to cause wood decay using two hardwoods and one soft wood species in an AWPA E10 soil block test. Weight losses were greatest for bigleaf maple and tended to be much lower on southern pine. Almost a quart...

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Main Authors: Leon Rogers, Jed Cappellazzi, Jeffrey J. Morrell
Format: Article
Language:English
Published: Universidad del Bío-Bío 2021-01-01
Series:Maderas: Ciencia y Tecnología
Subjects:
Online Access:https://revistas.ubiobio.cl/index.php/MCT/article/view/4830
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author Leon Rogers
Jed Cappellazzi
Jeffrey J. Morrell
author_facet Leon Rogers
Jed Cappellazzi
Jeffrey J. Morrell
author_sort Leon Rogers
collection DOAJ
description Fungi cultured from air-seasoning blackgum and red oak timbers were assessed for their ability to cause wood decay using two hardwoods and one soft wood species in an AWPA E10 soil block test. Weight losses were greatest for bigleaf maple and tended to be much lower on southern pine. Almost a quarter of the 35 taxa tested caused less than 5 % weight loss, suggesting they posed a relatively low decay risk, even under ideal laboratory conditions; despite all fungi tested having the ability to depolymerize wood. Three of the four fungi causing the largest weight losses were brown-rot fungi, although brown-rot fungi represented only small proportion of the total isolates from the original hardwood timbers. These results illustrate wide array of decay capabilities of fungi colonizing air-seasoning red oak and blackgum timbers, and the potential of many isolates to negatively affect wood properties through biodeterioration.
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spelling doaj.art-7e8b12b721cb4483891ca77c86ee07862023-06-12T20:01:02ZengUniversidad del Bío-BíoMaderas: Ciencia y Tecnología0717-36440718-221X2021-01-012310.4067/s0718-221x20210001004594287Decay capabilities of basidiomycetes colonizing air-seasoning red oak and blackgum railroad tiesLeon RogersJed CappellazziJeffrey J. Morrell Fungi cultured from air-seasoning blackgum and red oak timbers were assessed for their ability to cause wood decay using two hardwoods and one soft wood species in an AWPA E10 soil block test. Weight losses were greatest for bigleaf maple and tended to be much lower on southern pine. Almost a quarter of the 35 taxa tested caused less than 5 % weight loss, suggesting they posed a relatively low decay risk, even under ideal laboratory conditions; despite all fungi tested having the ability to depolymerize wood. Three of the four fungi causing the largest weight losses were brown-rot fungi, although brown-rot fungi represented only small proportion of the total isolates from the original hardwood timbers. These results illustrate wide array of decay capabilities of fungi colonizing air-seasoning red oak and blackgum timbers, and the potential of many isolates to negatively affect wood properties through biodeterioration. https://revistas.ubiobio.cl/index.php/MCT/article/view/4830Blackgumbrown-rotfungal decay resistancered oaksoil block testwhite rot
spellingShingle Leon Rogers
Jed Cappellazzi
Jeffrey J. Morrell
Decay capabilities of basidiomycetes colonizing air-seasoning red oak and blackgum railroad ties
Maderas: Ciencia y Tecnología
Blackgum
brown-rot
fungal decay resistance
red oak
soil block test
white rot
title Decay capabilities of basidiomycetes colonizing air-seasoning red oak and blackgum railroad ties
title_full Decay capabilities of basidiomycetes colonizing air-seasoning red oak and blackgum railroad ties
title_fullStr Decay capabilities of basidiomycetes colonizing air-seasoning red oak and blackgum railroad ties
title_full_unstemmed Decay capabilities of basidiomycetes colonizing air-seasoning red oak and blackgum railroad ties
title_short Decay capabilities of basidiomycetes colonizing air-seasoning red oak and blackgum railroad ties
title_sort decay capabilities of basidiomycetes colonizing air seasoning red oak and blackgum railroad ties
topic Blackgum
brown-rot
fungal decay resistance
red oak
soil block test
white rot
url https://revistas.ubiobio.cl/index.php/MCT/article/view/4830
work_keys_str_mv AT leonrogers decaycapabilitiesofbasidiomycetescolonizingairseasoningredoakandblackgumrailroadties
AT jedcappellazzi decaycapabilitiesofbasidiomycetescolonizingairseasoningredoakandblackgumrailroadties
AT jeffreyjmorrell decaycapabilitiesofbasidiomycetescolonizingairseasoningredoakandblackgumrailroadties