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天然耐腐材有效抗菌成分的研究——Ⅱ.天然耐腐材在腐朽过程中超微结构的变化(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1990年02期
Page:
60-67
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
STUDIES ON ACTIVE ANTIFUNGAL SUBSTRACTES IN NATURAL DURABLE SPECIES II. CHANGES IN ULTRASTRUCTURE DURING DECAY BY CORIOLUS VERSICOLOR AND GLOEOPHYLLUM TRABEUM
Article ID:
1000-2006(1990)02-0060-08
Author(s):
Jing Zhongwei Tat Diesheng You JixueHe Wenlong Zhang Houwen
Department of Chemical Processing of Forest Products
Keywords:
Natural durable decay Relative crystallinity Ultramicrest-ructure Holocellulose
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1990.02.010
Document Code:
A
Abstract:
The changes in ultrastructure and crystallinity of the heartwood of Cun-ninghamia lanceolaia, Catalpa bungei and the sapwood of Populus deltoides during decay by C. versicolor and G. trabtum were studied by Scanning Electron Microscopy and X-ray diffraction method. Results show that Populus dehoidcs was havily rotted by the white-rot and brown-rot fungi. The crystallinity was decreased by 50% after 12 weeks decay by the brown-rot fungus. But treated wity the same methods and duration only slight change were found in the ultrastructure and crystallinity of Cunninghamia lanceolaia and Catalpta bungei, indicating that the heartwocd of the two species are very resistant to both C. versicolor and G. trabeum.

References

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Last Update: 1900-01-01