Basal Root Rot, a new Disease of Teak (Tectona grandis) in Malaysia caused by Phellinus noxius
Basal root rot of teak was first reported from Sabak Bernam, Selangor making this the first report of the disease on teak in Peninsular Malaysia. The fungus found associated with the disease was Phellinus noxious. The disease aggressively killed its host irrespective of the host health status. Bark...
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Malaysian Society for Microbiology
2005-01-01
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doaj-954ca4836a574cf38b586ba60ea144b52020-11-25T00:02:16ZengMalaysian Society for MicrobiologyMalaysian Journal of Microbiology1823-82622231-75382005-01-01124045Basal Root Rot, a new Disease of Teak (Tectona grandis) in Malaysia caused by Phellinus noxiusMohd Farid, A.Lee, S. S.Maziah, Z.Rosli, H.Norwati, M.Basal root rot of teak was first reported from Sabak Bernam, Selangor making this the first report of the disease on teak in Peninsular Malaysia. The fungus found associated with the disease was Phellinus noxious. The disease aggressively killed its host irrespective of the host health status. Bark depression at the root collar which was visible from a distance was the characteristic symptom and the main indicator in identifying the disease in the plantation since above ground symptoms of the canopy could not be differentiated from crowns of healthy trees. However, although above ground symptoms were not easily discernible, the disease was already advanced and the trees mostly beyond treatment; 3.4 % of the trees in the plantation were affected and the disease occurred both on solitary trees and in patches. Below ground, infected trees had rotted root systems, mainly below and around the collar region with brown discolored wood and irregular golden-brown honeycomb-like pockets of fungal hyphae in the wood. Pathogenicity tests showed that the fungus produced symptoms similar to those observed in the plantation and killed two year-old teak plants. The disease killed all the inoculated hosts within three months, irrespective of wounded or unwounded treatments. http://web.usm.my/mjm/issues/vol1no2/research5.pdfForest plantationPhellinus noxiusRoot diseaseTectona grandis |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Mohd Farid, A. Lee, S. S. Maziah, Z. Rosli, H. Norwati, M. |
spellingShingle |
Mohd Farid, A. Lee, S. S. Maziah, Z. Rosli, H. Norwati, M. Basal Root Rot, a new Disease of Teak (Tectona grandis) in Malaysia caused by Phellinus noxius Malaysian Journal of Microbiology Forest plantation Phellinus noxius Root disease Tectona grandis |
author_facet |
Mohd Farid, A. Lee, S. S. Maziah, Z. Rosli, H. Norwati, M. |
author_sort |
Mohd Farid, A. |
title |
Basal Root Rot, a new Disease of Teak (Tectona grandis) in Malaysia caused by Phellinus noxius |
title_short |
Basal Root Rot, a new Disease of Teak (Tectona grandis) in Malaysia caused by Phellinus noxius |
title_full |
Basal Root Rot, a new Disease of Teak (Tectona grandis) in Malaysia caused by Phellinus noxius |
title_fullStr |
Basal Root Rot, a new Disease of Teak (Tectona grandis) in Malaysia caused by Phellinus noxius |
title_full_unstemmed |
Basal Root Rot, a new Disease of Teak (Tectona grandis) in Malaysia caused by Phellinus noxius |
title_sort |
basal root rot, a new disease of teak (tectona grandis) in malaysia caused by phellinus noxius |
publisher |
Malaysian Society for Microbiology |
series |
Malaysian Journal of Microbiology |
issn |
1823-8262 2231-7538 |
publishDate |
2005-01-01 |
description |
Basal root rot of teak was first reported from Sabak Bernam, Selangor making this the first report of the disease on teak in Peninsular Malaysia. The fungus found associated with the disease was Phellinus noxious. The disease aggressively killed its host irrespective of the host health status. Bark depression at the root collar which was visible from a distance was the characteristic symptom and the main indicator in identifying the disease in the plantation since above ground symptoms of the canopy could not be differentiated from crowns of healthy trees. However, although above ground symptoms were not easily discernible, the disease was already advanced and the trees mostly beyond treatment; 3.4 % of the trees in the plantation were affected and the disease occurred both on solitary trees and in patches. Below ground, infected trees had rotted root systems, mainly below and around the collar region with brown discolored wood and irregular golden-brown honeycomb-like pockets of fungal hyphae in the wood. Pathogenicity tests showed that the fungus produced symptoms similar to those observed in the plantation and killed two year-old teak plants. The disease killed all the inoculated hosts within three months, irrespective of wounded or unwounded treatments. |
topic |
Forest plantation Phellinus noxius Root disease Tectona grandis |
url |
http://web.usm.my/mjm/issues/vol1no2/research5.pdf |
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