Ganoderma species associated with basal stem rot disease of oil palm

By Ling-Chie Wong, C. Bong, A. S. Idris. 2012

89 citations recorded by the source corpus.

Problem statement: Basal Stem Rot disease (BSR) is one of the most serious diseases that have been causing major losses in the oil palm industry in Southeast Asia, especially in Malaysia and Indonesia. Several species of Ganoderma have been reported pathogenic to oil palm, however, the diversity and differentiation of the Ganoderma species were not widely studied and the identity of these species are still unclear which may lead to inaccurate and inefficient decision-making in disease management. Approach: In this study, several isolates of Ganoderma were collected in Sarawak, Malaysia and the Multiplex Polymerase Chain Reaction was carried out to differentiate the isolates into species level. This was followed by morphological studies of basidiocarp of the Ganoderma isolates cultivated via artificial cultivation whereby parameters, such as basidiocarp and spore size, color and physical morphology were recorded. Results: Multiplex PCR could be used to differentiate the Ganoderma isolates, however, optimization had to be done to obtain convincing results. Morphology studies of the Ganoderma isolates showed that spore length could be used to distinguish among the Ganoderma species. Conclusion: Three Ganoderma species viz., G. boninense, G. zonatum and G. miniatocinctum are associated with the basal stem rot disease in Sarawak. Further studies on Ganoderma morphological traits is suggested so that immediate identification method can be developed to give guidance in deciding the most suitable way for control measures without any delay, leading to reduced palm deaths and disease control cost, thus, reducing losses in the oil palm industry.

Subfields: Cell Biology, Ecology, Evolution, Behavior and Systematics, Plant Science

View Paper: https://www.semanticscholar.org/paper/8f2c5371ba56ea2af5011f7baadbd51b1e6aeb18

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Citations in the corpus

Ecological status of Ganoderma and basal stem rot disease of oil palms (Elaeis guineensis Jacq.). (2013, background): “At that time the disease was not economically important, but after a few years the disease was found in 10-15 year old palms and today the disease can be found in one year old or immature palms (Wong et al., 2012; Azahar et al., 2008).”