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首页> 外文期刊>International Biodeterioration & Biodegradation >Permeability of poplar normal wood and tension wood bioincised by Physisporinus vitreus and Xylaria longipes
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Permeability of poplar normal wood and tension wood bioincised by Physisporinus vitreus and Xylaria longipes

机译：玻璃态Physisporinus vitreus和Xylaria longipes生物增加的杨树普通木材和拉伸木材的渗透性

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摘要

Bioincising impacts of white-rot fungus, Physisporinus vitreus and soft-rot fungus, Xylaria longipes on the porous structure and radial permeability of poplar normal wood and tension wood were studied. Fungal cultivation was performed in an incubator at 25 degrees C and 85% relative humidity for 15, 30 and 45 days. Fracture of pectin-rich gelatinous layer of tension wood occurred due to incubation with P. vitreus. However, a simultaneous degradation in the cell walls and middle lamellae was observed. Both fungi had negative effects on the permeability, probably due to blocking of fluid flow paths by the fungal hyphae. Reduction in the permeability was more remarkable with P. vitreus. Our results showed that the role of G-layer containing fibers can be neglected for radial permeability of tension wood. Overall, such fungal bioincising techniques cannot be considered as successful approaches to improve the permeability of tension wood. (C) 2015 Elsevier Ltd. All rights reserved.
机译：研究了白腐真菌，玻璃状Physisporinus玻璃体真菌和软腐真菌，木霉（Xylaria longipes）对杨树正常木材和拉伸木材的多孔结构和径向渗透性的生物影响。在25℃和85％相对湿度的培养箱中进行真菌培养15、30和45天。由于与玻璃假单胞菌一起孵育，张力果胶的富含果胶的凝胶状层破裂。但是，观察到细胞壁和中层细胞同时降解。两种真菌都对渗透率有负面影响，可能是由于真菌菌丝阻塞了流体的流动路径。玻璃假单胞菌的通透性降低更为明显。我们的结果表明，可以忽略含G层纤维对张力木材的径向渗透性的作用。总体而言，此类真菌生物诱变技术不能视为提高张力木材渗透性的成功方法。 （C）2015 Elsevier Ltd.保留所有权利。

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