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http://dx.doi.org/10.5658/WOOD.2011.39.1.15

Wood Anatomical Characteristics of Domestic Red Pine (Pinus densiflora) Infested by Pine wood Nematode (Bursaphelenchus xylophilus)  

Ahn, Sye-Hee (Department of Forest Resources, College of Life and Environmental Resources, Daegu University)
Jeon, Mun-Jang (Department of Forest Resources, College of Life and Environmental Resources, Daegu University)
Eom, Young-Geun (Department of Forest Products & Biotechnology, College of Forest Science, Kookmin University)
Oh, Sei-Chang (Department of Forest Resources, College of Life and Environmental Resources, Daegu University)
Lee, Mi-Rim (Department of Forest Products & Biotechnology, College of Forest Science, Kookmin University)
Publication Information
Journal of the Korean Wood Science and Technology / v.39, no.1, 2011 , pp. 15-20 More about this Journal
Abstract
The pine wilt disease is one of the most serious forest diseases that kill the pine trees, and the study on the invasion and movement of the pine wood nematode within the tree is very important for understanding the inhabitation of pine wood nematode. In this relation, the microscopic observation was carried out to study the place of inhabitation and movement of pine wood nematode within the infested wood. In result, the rays were mainly infested by pine wood nematode and showed dark discoloration due to their necrosis in cross, radial and tangential surface. Also, the intensive damage was found in the resin canals. On the other hand, some traumatic resin canals in tangential band were identified in the sapwood near the cambium. In the ray, the pine wood nematode occurred more commonly in the ray parenchyma cell and fusiform ray with horizontal resin canal than in the ray tracheid and uniseriate ray without horizontal resin canal, respectively. The pine wood nematode was thought to move from ray to tracheid through the large natural opening, window-like pit, in the cross-field, neither through the small natural opening, bordered pit, in the tracheid nor through the tracheid wall by creating a bore hole.
Keywords
pine wood nematode; ray; resin canal; tracheid; window-like cross-field pit;
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Times Cited By KSCI : 3  (Citation Analysis)
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