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松材线虫病致病机理和防治技术研究进展(PDF)

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

Issue:
2006年02期
Page:
103-107
Column:
综合述评
publishdate:
2006-02-20

Article Info:/Info

Title:
Research Advances of Pathogenic Mechanism and Controlling Technology for Pine Wood Nematode Disease
Article ID:
1000-2006(2006)02-0103-05
Author(s):
WANG Ming-ming YE Jian-ren PAN Hong-yang
College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China
Keywords:
Pine tree Pine wood nematode disease Review
Classification number :
S763
DOI:
10.3969/j.jssn.1000-2006.2006.02.025
Document Code:
A
Abstract:
The research advances of pathogenic mechanism and controlling te.chnology for pine wood nematode disease are reviewed. In the research of the pathogen of the PWN disease, the viewpoint of most researchers is that the PWN act an important role in the disease. Some of. them think the PWN is the only pathogen, the few think both the PWN and the bacteria are the pathogens. There are three opinions about the pathogenetic mechanism of the PWN disease. (1) The cell of the pine is destructed by the cellulase from the PWN, which results in the pine death. (2) The toxin occurred by the tree after the PWN invaded affect the death. (3) The volatile material increased in xylem after the PWN invaded. The blockage of water conduction caused by tracheid cavitation was very important factor causing the death of infected pine trees. The resistance of pine to the PWN is evidently different in different species, and the resistance difference among the geographical population depends on the pine species.

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Last Update: 2013-05-20