Identification of important wood-decaying fungi associated with some Philippine dipterocarps at the Makiling forest

Issue Date

1-2006

Abstract

Field survey and laboratory experiment were conducted sequentially from May 2003 to January 2005. The study areas were the Dipterocarp Forest and Plantation, Makiling Botanical Garden, ERDB Experiment Station and the UP College of Forestry and Natural Resources campus at the Mt. Makiling Forest Reserve. There were 27 species of Basidiomycetes belonging to 15 genera, i.e., Ganoderma, Polystictus, Auricularia, Phellinus, Polyporus, Fomes, Stereum, Poria, Daedalea, Hexagona, Lenzites, Hymenochaete, Trametes, Schizophyllum, and Corticum collected. These were characterized morphologically and anatomically prior to identification. The Ganoderma, Polystictus, Auricularia, Fomes and Polyporus were represented by species dominating the area. Among the dipterocarp host species, white lauan (Shorea contorta Vid.) had the widest range of fungal association. Wood decay is a common occurrence among all kinds of trees. Decay can affect the sapwood, or heartwood of a tree. This has been observed in dying trees or in trees which have smaller leaves and slower growth. In many dipterocarps, the decay losses caused by basidiomycetous fungi are enormous. There are are two types of wood decay caused by basidiomycetous fungi. These are the white and brown rot. This type of decay can be distinguished by the color of the decayed wood. The white rot decomposes all components of the wood including lignin. The decomposed wood is white, and sometimes yellow, tan or even light brown in color and zone lines are present. The brown rot decomposes the cellulose and its associated pentosans leaving the lignin more or less unaffected. The decomposed wood is usually dark brown and without zone lines.

Source or Periodical Title

Sylvatrop: the technical journal of Philippine Ecosystems and Natural Resources

ISSN

0115-0022

Volume

16

Issue

1-2

Page

17-38

Document Type

Article

Frequency

semi-annually

Physical Description

illustrations ; map; table

Language

English

En – AGROVOC descriptors

DIPTEROCARPACEAE; BASIDIOMYCOTA; FUNGI; BIODETERIORATION; WOOD DECAY; IDENTIFICATION; PHILIPPINES

This document is currently not available here.

Share

COinS