Identification of wood-rotting fungi and their decay capability in six wood species

LUO Jingyi; FU Weirui; PAN Chengyuan

doi:10.11833/j.issn.2095-0756.2015.01.001

Volume 32 Issue 1

Jan. 2015

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LUO Jingyi, FU Weirui, PAN Chengyuan. Identification of wood-rotting fungi and their decay capability in six wood species[J]. Journal of Zhejiang A&F University, 2015, 32(1): 1-10. doi: 10.11833/j.issn.2095-0756.2015.01.001

Citation:

LUO Jingyi, FU Weirui, PAN Chengyuan. Identification of wood-rotting fungi and their decay capability in six wood species[J]. Journal of Zhejiang A&F University, 2015, 32(1): 1-10. doi: 10.11833/j.issn.2095-0756.2015.01.001

Identification of wood-rotting fungi and their decay capability in six wood species

doi: 10.11833/j.issn.2095-0756.2015.01.001

1.
School of Agricultural and Food Science，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Received Date: 2014-02-17
Rev Recd Date: 2014-05-07
Publish Date: 2015-02-20

Abstract

Wood-rotting fungi，one of the lignocellulose decomposers in nature，play an important role in the material cycle of the ecosystem. In order to clarify the relationship between wood decay capability of fungi and their lignocellulases activity，five kinds of wood-rotting fungi were identified in this study （namely Fusarium oxysporum, Trametes hirsuta, Fusarium proliferatum, Schizophyllum commune, and Pycnoporus sanguineus），based on morphological characteristics of sporophore，colony，mycelium，and conidium，and combined with sequences of internal transcribed spacer （ITS） and 26S rDNA D1/D2. Also，lignases and cellulases activities were determined from the wood-rotting fungi. Biodegradation capability of the fungi to six different species of wood, including oak （Quercus mongolica）, teak （Tectona grandis）, merbau （Intsia biujga）, Chinese fir （Cunninghamia lanceolata）, Douglas fir （Pseudotsuga menziesii） and masson pine （Pinus massoniana）, was evaluated through wood mass losses of pre-and post-treatments. Results showed that for all five species of fungi, laccase and manganese peroxidase exhibited higher activities than cellulases. After 12 weeks of the decay experiment, T. hirsuta caused the most decay with oak （mass loss of 69.16%）. F. oxysporum, F. proliferatum, and S. commune caused less than 3.00% mass loss with all six species of wood; whereas P. sanguineus caused 41.37% mass loss with oak but only 2.20% mass loss with teak. When comparing wood decay capability of fungi and lignocellulases activity，higher lignases and cellulases activity of the fungus did not mean it had higher decay capability on the wood.［Ch，5 fig. 2 tab. 36 ref.］
- wood science and technology,
- wood-rotting fungi,
- identification,
- lignases,
- cellulases,
- wood decay

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沈阳化工大学材料科学与工程学院沈阳 110142

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Identification of wood-rotting fungi and their decay capability in six wood species

1. School of Agricultural and Food Science，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Received Date: 2014-02-17

Rev Recd Date: 2014-05-07

Publish Date: 2015-02-20

Key words:

Abstract: Wood-rotting fungi，one of the lignocellulose decomposers in nature，play an important role in the material cycle of the ecosystem. In order to clarify the relationship between wood decay capability of fungi and their lignocellulases activity，five kinds of wood-rotting fungi were identified in this study （namely Fusarium oxysporum, Trametes hirsuta, Fusarium proliferatum, Schizophyllum commune, and Pycnoporus sanguineus），based on morphological characteristics of sporophore，colony，mycelium，and conidium，and combined with sequences of internal transcribed spacer （ITS） and 26S rDNA D1/D2. Also，lignases and cellulases activities were determined from the wood-rotting fungi. Biodegradation capability of the fungi to six different species of wood, including oak （Quercus mongolica）, teak （Tectona grandis）, merbau （Intsia biujga）, Chinese fir （Cunninghamia lanceolata）, Douglas fir （Pseudotsuga menziesii） and masson pine （Pinus massoniana）, was evaluated through wood mass losses of pre-and post-treatments. Results showed that for all five species of fungi, laccase and manganese peroxidase exhibited higher activities than cellulases. After 12 weeks of the decay experiment, T. hirsuta caused the most decay with oak （mass loss of 69.16%）. F. oxysporum, F. proliferatum, and S. commune caused less than 3.00% mass loss with all six species of wood; whereas P. sanguineus caused 41.37% mass loss with oak but only 2.20% mass loss with teak. When comparing wood decay capability of fungi and lignocellulases activity，higher lignases and cellulases activity of the fungus did not mean it had higher decay capability on the wood.［Ch，5 fig. 2 tab. 36 ref.］

Identification of wood-rotting fungi and their decay capability in six wood species

doi: 10.11833/j.issn.2095-0756.2015.01.001

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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