Spatial Evaluation of Bagworm (Metisa plana) Infestation in an Oil Palm Plantation Using GIS
DOI:
https://doi.org/10.53797/agrotech.v2i2.10.2023Keywords:
Bagworm, oil palm, Geographical Information System (GIS), spatial analysis, pest infestation, kriging, precision agricultureAbstract
This study investigates the spatial distribution of bagworm (Metisa plana) infestation in an oil palm plantation in Felda Besout 2, Malaysia, using Geographic Information System (GIS) technology. A total of 57 systematically selected oil palm trees were sampled, and parameters including larval stages, elevation, and coordinates were recorded. The spatial interpolation method, ordinary kriging, was used to construct distribution maps that revealed infestation intensity across the area. The results indicated a high concentration of M. plana larvae in the western section of the plantation, predominantly in their late instar stages (6th and 7th). There was no significant correlation between infestation density and elevation (R² = 0.0144). GIS proved to be an effective tool for visualizing and managing pest outbreaks in precision agriculture. This technology enhances pest monitoring strategies and supports site-specific decision-making for integrated pest management (IPM) in oil palm plantations.
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