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Possible sources of genetic resistance in oil palm (Elaies guineensis Jacq.) to basal stem rot caused by Ganoderma boninense - prospects for future breeding

Durand-Gasselin T., Asmady H., Flori A., Jacquemard J.C., Hayun Zaelani H., Breton F., De Franqueville H.. 2005. Mycopathologia, 159 (1) : p. 90-100.

DOI: 10.1007/s11046-004-4429-1

Oil palm estates in southeast Asia suffer from substantial losses due to basal stem rot caused by Ganoderma boninense. Field observations have been carried out in North Sumatra, Indonesia, on a series of planting materials of known origin. Differences in susceptibility to the disease have been detected within the two Elaeis species, guineensis and oleifera. Within Elaeis guineensis, material of Deli origin is highly susceptible compared to material of African origin. It is also possible to detect differences in reaction between parents and between crosses within a given origin. The variability of resistance to basal stem rot within the same cross is also illustrated by the diverse responses of clones derived from palms of the same origin. The prospects opened up by these results are discussed, and the importance of performing an early selection test is highlighted.

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