Durability test of bamboo against fungi according to EN standards

Wei, Dong; Schmidt, Olaf; Líese, W.

doi:10.1007/s00107-013-0707-2

Cited by 29 publications

(9 citation statements)

References 8 publications

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“…Numerous studies on the decay and natural durability of bamboo species have been conducted (Liese 1985;Leithoff and Peek 2001;Schmidt et al 2011) and the durability of Bambusa vulgaris grown in Indonesia reported (Suprapti 2010). Applying the standard EN 113, Wei et al (2013) classified five bamboo species in durability class 2 by using four C. puteana and two G. trabeum strains; the white-rot fungus T. versicolor yielded durability classes 2 to 4 and two soft-rot fungi showed classes 2 to 3. Variations in bamboo durability are explained by the nature of the decay caused by organisms, growth stands, and bamboo species, as well as age and height from where the samples were taken.…”

Section: Durability and Treatability Of Bamboomentioning

confidence: 99%

Bamboo (Bambusa vulgaris Schrad.) from Moist Forest and Derived Savanna Locations in South West Nigeria – Properties and Gluability

Ogunsanwo¹,

Terzıev²,

Panov³

et al. 2015

BioResources

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Bamboo culms of Bambusa vulgaris Schrad. were collected from two locations in moist forests and two sites in derived Savanna zones in South West Nigeria. The study involved chemical analyses, density variability, bonding tests, gluability tests, and measurements of bending strength of the bamboo in addition to durability testing with decay fungi and treatability of glued boards with a copper-based wood preservative. Chemical analyses showed a uniform composition of the bamboo with a cellulose content of 45 to 47.5% and a lignin content of 23 to 25.6% as the predominant chemical constituents. An average wood density of 700 kg/m 3 was a prerequisite for high mechanical strength. The moduli of elasticity were high and exceeded 14 kN/mm 2 for bamboo boards and 13 kN/mm 2 for finger joints. Bamboo boards from all growth sites showed high moduli of rupture in the range of 150 to 166 N/mm 2 and 72.9 to 94.7 N/mm 2 for boards and finger joints, respectively. Bamboo from the four sites showed variable mass loss with the EN-113 (1996) test method, which classifies this biomass as a moderately to non-durable plant material. White rot fungus (Trametes versicolor) caused the highest mass losses (11.2 to 16.8%). The bamboo showed good treatability using a 500-kg/m 3 solution of a copper-based preservative.

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Section: Durability and Treatability Of Bamboomentioning

confidence: 99%

Bamboo (Bambusa vulgaris Schrad.) from Moist Forest and Derived Savanna Locations in South West Nigeria – Properties and Gluability

Ogunsanwo¹,

Terzıev²,

Panov³

et al. 2015

BioResources

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“…But the major drawback in using bamboo is its low natural durability. Bamboo has high amount of starch and negligible amount of extractives unlike timber, therefore, it becomes an easy prey to fungi (Kumar et al 1994;Wei et al 2013). With preservative treatment the service life of bamboo can be effectively enhanced but unbridled use of chemicals in wood preservation industry has brought human as well animal population at the verge of health threat.…”

Section: Introductionmentioning

confidence: 99%

Effectiveness of Neem (Azadirachta indica A. Juss) Oil against Decay Fungi

Rawat¹,

Sahoo²,

Hegde³

et al. 2017

stj

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Abstract-The enormous use of metallic wood preservatives has caused destructive impact on environment as well as human health. Therefore realizing the urgency of switching to Environment friendly options such as natural oils are being tested for their antimicrobial properties. The present study aimed at investigating potential of Neem oil against the growth ofdecaying fungi. The ability of Neem oil to inhibit mycelia growth of Schizophyllum commune, Fusarium oxysporum, Fusarium proliferatum, Coniophora puteana and Alternaria alternata was tested at different concentrations of 0.25, 0.50, 0.75, 1.0, 2.0, 4.0, 6.0, 8.0 and 10%. Results of the study revealed Neem oil concentrations above 2% were signi icantly inhibitory to all the tested fungi.

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“…This suggests that the litter dynamics of bamboo species are vital to evaluate the long‐term terrestrial carbon sink. Laboratory assays with Kolle flasks have indicated that some bamboo species are more decomposable upon fungal attack than others (Suprapti ; Wei, Schmidt & Liese ), but these findings are hard to interpret in terms of decomposition rates of naturally senesced culms in natural environments. Also, there is no knowledge about how the decomposabilities of (monocot) bamboo stems compare with those of eudicot or magnoliid angiosperm trees across a representative set of species.…”

Section: Introductionmentioning

confidence: 99%

Termites amplify the effects of wood traits on decomposition rates among multiple bamboo and dicot woody species

et al. 2015

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Summary1. Wood decomposition is a key process in the terrestrial carbon cycle, controlling carbon storage with feedback to climate. In (sub) tropical forest, termites are major players in wood decomposition, but their role relative to that of microbial decomposers and wood traits of different tree species is poorly understood. The current literature also has strong bias towards dicot tree decomposition, while abundant woody monocots, particularly bamboos, also contribute greatly to (sub) tropical carbon cycling. 2. Here, we present the first experiment to disentangle effects of dead wood traits and termite activity on decomposition of 66 angiosperm species of wide-ranging phylogenetic position: 31 bamboos, eight non-bamboo Poaceae, 18 eudicots and nine magnoliids. We incubated dead stems of up to 4 size classes per species in a 'common garden' in tropical S China. We tested the hypotheses that (i) dead wood of bamboo (monocots) is less decomposable than dead wood of eudicots or magnoliids; (ii) both microbial-and termite-driven decomposition show negative relationships with initial wood density and with dry matter content. 3. Bamboo wood generally decomposed more slowly than dicot wood but only slightly slower at given wood density or diameter. Wood decomposition in both bamboo and dicot clades decreased with wood density or dry matter content. Termites contributed greatly to this pattern, explaining 53.4% of the variance in wood decomposition and preferentially attacking dead wood of lower initial density, which corresponded with thicker outer culm walls in the case of bamboo species. Thus, termites strongly strengthen the relationship between species' wood traits and litter decomposition as driven by microbial activity. 4. Synthesis. These previously unknown relationships among dead wood quality, diameter, termites and decomposing microbes of both woody monocots and dicots will advance our understanding of the driving mechanisms of (sub) tropical wood decomposition and its contribution to the global carbon cycle.

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Durability test of bamboo against fungi according to EN standards

Cited by 29 publications

References 8 publications

Bamboo (Bambusa vulgaris Schrad.) from Moist Forest and Derived Savanna Locations in South West Nigeria – Properties and Gluability

Bamboo (Bambusa vulgaris Schrad.) from Moist Forest and Derived Savanna Locations in South West Nigeria – Properties and Gluability

Effectiveness of Neem (Azadirachta indica A. Juss) Oil against Decay Fungi

Termites amplify the effects of wood traits on decomposition rates among multiple bamboo and dicot woody species

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