January 1, 2025

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

Key Points

Second-generation oil palms showed higher basal stem rot disease progress, emphasizing age's impact on disease severity.
The study found that the area under the disease progress curve (AUDPC) was significantly higher in specific conditions, suggesting topographic influence.
Non-parametric statistical tests were applied to analyze data from 1,184 oil palm trees, highlighting unique field conditions.
Results imply that understanding planting history and terrain is essential for effective management of ganoderma disease.

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.

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