Abstract
Basidiospores were isolated from the fruiting bodies of Ganoderma infecting oil palms from an estate in Johor and from ornamental palms (including oil palms) from Singapore. The spores were then germinated to obtain homokaryotic mycelia. Based on clamp connection formation in paired hyphal fusions, tester strains were identified from the homokaryons isolated. Compatibility tests were then carried out using these testers to determine the relatedness of the homokaryotic Ganoderma isolates, both from Johor and from Singapore. Results from the compatibility tests showed that Ganoderma from both locations belong to the same species, while the Ganoderma isolates from Singapore share some common alleles. The pathogenicity tests carried out on Chrysalidocarpus lutescens seedlings using inoculum growing on rubber wood blocks showed that dikaryotic mycelia can cause basal stem rot infection.
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Lim, H., Fong, Y. Research on basal stem rot (BSR) of ornamental palms caused by basidiospores from Ganoderma boninense. Mycopathologia 159, 171–179 (2005). https://doi.org/10.1007/s11046-004-4440-6
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DOI: https://doi.org/10.1007/s11046-004-4440-6