Ganoderma boninense is a major pathogen causes a devastating oil palm disease called as basal stem rot (BSR). This disease leads oil palm trees rotting on palm bole and eventual death. Applying chemical treatment such as hexaconazol to infected palms is one of current methods in order to control and minimize the losses which is applied through injection by drilling to the trunk. The method of drilling needed to be optimized as it wounds palm trunk that causes other infection. This paper presents the study and analysis of penetration forces by drilling on oil palm trunk. This study can be used in designing a new drilling method and mechanism to increase drilling efficiency.
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