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Early screening test: a routine work to evaluate resistance/susceptibility level of oil palm progenies to basal stem rot disease

Breton Frédéric, Rahmaningsih Miranti, Lubis Zulkifli, Syahputra Indra, Setiawati Umi, Flori Albert, Nelson Stephen, Durand-Gasselin Tristan, De Franqueville Hubert. 2009. Early screening test: a routine work to evaluate resistance/susceptibility level of oil palm progenies to basal stem rot disease. In : MPOB International Palm Oil Congress (PIPOC 2009), Kuala Lumpur, 9-12 november 2009. MPOB. s.l. : s.n., 1-11. MPOB International Palm Oil Congress, Kuala Lumpur, Malaisie, 9 Novembre 2009/12 Novembre 2009.

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Résumé : Early detection of the level of resistance or susceptibility to Ganoderma boninense is of paramount importance for the sustainability of the oil palm industry particularly in South-East Asia. A nursery Ganoderma screening method has been developed and validated in collaboration with two Indonesian private companies PT PP London Sumatra Indonesia TBK (Lonsum) and PT Socfin Indonesia (Socfindo) to improve the resistance of their commercial planting material to Basal Stem Rot (BSR) disease. This early routine prenursery screening test involves the exposure of germinated seeds from different oil palm progenies with Ganoderma-colonized Rubber Wood Blocks (RWBs). Over the last two years, the potential testing capacities have been developed in both companies to allow the routine screening work of one hundred crosses per month. Currently, more than 1000 crosses have been tested at least two times in independent trials for their resistance/susceptibility level to Ganoderma. The screening method described in this paper is rapid and easy to set up in the prenursery and limits the sources of variability. Each step of the method has been previously studied, calibrated and standardized in order to reach this level of consistency. Nursery results compared with field results, showed a good correlation. This test therefore provides a method to ensure no highly-susceptible progenies are transferred to the field for commercial planting, provides a breeding tool to develop more Ganoderma tolerant high yielding planting material, to understand the genetics of Ganoderma tolerance/susceptibility, to investigate Ganoderma infection and as a more general tool to test other methods to control and prevent Ganoderma.

Mots-clés Agrovoc : Ganoderma, Elaeis guineensis

Mots-clés géographiques Agrovoc : Indonésie

Mots-clés complémentaires : Ganoderma boninense

Classification Agris : H20 - Maladies des plantes

Auteurs et affiliations

  • Breton Frédéric, CIRAD-BIOS-UPR Génétique palmier (IDN)
  • Rahmaningsih Miranti, Sumatra Bioscience (IDN)
  • Lubis Zulkifli, SOCFINDO (IDN)
  • Syahputra Indra, SOCFINDO (IDN)
  • Setiawati Umi, Sumatra Bioscience (IDN)
  • Flori Albert, CIRAD-BIOS-UPR Génétique palmier (FRA)
  • Nelson Stephen, Sumatra Bioscience (IDN)
  • Durand-Gasselin Tristan, CIRAD-BIOS-UPR Génétique palmier (FRA)
  • De Franqueville Hubert, CIRAD-BIOS-UPR Génétique palmier (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/578385/)

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