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Temporal Dynamics of Ganoderma Basal Stem Rot (BSR) Disease Progress in Oil Palm: Effects of Planting Generation, Topography, and Previous Crop

Author

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  • Nur Aliyah Jazuli

    (Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Malaysia)

  • Assis Kamu

    (Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Malaysia)

Abstract

Ganoderma basal stem rot (BSR) disease poses a major threat to oil palm plantations in Southeast Asia. This study examined how BSR disease progress, quantified using the area under the disease progress (AUDPC), varies with planting generation, topography, and previous crop. Data from 1,184 palms in Sabah, Malaysia were analysed using non-parametric statistical tests due to non-normal distribution. Results showed significantly higher AUDPC in second-generation palms, replantings after oil palm, and flat to undulating terrain. These findings highlight the importance of considering replanting history and site conditions when managing BSR in oil palm plantations.

Suggested Citation

  • Nur Aliyah Jazuli & Assis Kamu, 2025. "Temporal Dynamics of Ganoderma Basal Stem Rot (BSR) Disease Progress in Oil Palm: Effects of Planting Generation, Topography, and Previous Crop," International Journal of Research and Innovation in Social Science, International Journal of Research and Innovation in Social Science (IJRISS), vol. 9(7), pages 4741-4746, July.
    • Handle: RePEc:bcp:journl:v:9:y:2025:issue-7:p:4741-4746
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