Assessment of decay in giant ipil-ipil (Leucaena leucocephala (Lam) de Wit) stumps for fuelwood and charcoal production in La Mesa Dam [Philippines]
1985
De la Pena, F.D.
Results showed that giant ipil-ipil trees harvested during the rainy season had higher mean values in terms of stump height, stump diameter, number of genera of decay-causing fungi, extent of decay in the stump, percent decay, extent of decay in the most vigorous sprout and number of living sprouts. However, number of dead sprouts still attached to the stump was higher in those harvested during the dry season. The different stump characteristics such as stump height and stump diameter also had significant effects on deca1904y development. All the stumps sampled were infected by decay-causing fungi, however, fruiting bodies were not observed on all of them. Fruiting bodies were found in 93% of the sample stumps harvested during the rainy season and 84.5% of those harvested during the dry season. Moreover, all stumps showed signs of white rot characterized by the presence of zone lines and bleached appearance of the decayed portion of the wood. There were 10 genera of fungi found to be associated with decay in giant ipil-ipil stumps. They were: Auricularia, Corticium, Daedalea, Ganoderma, Hypoxylon, Irpex, Polyporus, Schizophyllium, Stereum and Xylaria. Corticium and Xylaria had two species each found to be associated with d
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