8 March 2013 GammaScorpion: mobile gamma-ray tomography system for early detection of basal stem rot in oil palm plantations
Jaafar Abdullah, Hearie Hassan, Mohamad R. Shari, Salzali Mohd, Mahadi Mustapha, Airwan A. Mahmood, Shahrizan Jamaludin, Mohd Rosdi Ngah, Noor Hisham Hamid
Author Affiliations +
Abstract
Detection of the oil palm stem rot disease Ganoderma is a major issue in estate management and production in Malaysia. Conventional diagnostic techniques are difficult and time consuming when using visual inspection, and destructive and expensive when based on the chemical analysis of root or stem tissue. As an alternative, a transportable gamma-ray computed tomography system for the early detection of basal stem rot (BSR) of oil palms due to Ganoderma was developed locally at the Malaysian Nuclear Agency, Kajang, Malaysia. This system produces high quality tomographic images that clearly differentiate between healthy and Ganoderma infected oil palm stems. It has been successfully tested and used to detect the extent of BSR damage in oil palm plantations in Malaysia without the need to cut down the trees. This method offers promise for in situ inspection of oil palm stem diseases compared to the more conventional methods.
© 2013 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2013/$25.00 © 2013 SPIE
Jaafar Abdullah, Hearie Hassan, Mohamad R. Shari, Salzali Mohd, Mahadi Mustapha, Airwan A. Mahmood, Shahrizan Jamaludin, Mohd Rosdi Ngah, and Noor Hisham Hamid "GammaScorpion: mobile gamma-ray tomography system for early detection of basal stem rot in oil palm plantations," Optical Engineering 52(3), 036502 (8 March 2013). https://doi.org/10.1117/1.OE.52.3.036502
Published: 8 March 2013
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Cited by 21 scholarly publications.
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KEYWORDS
Gamma radiation

Computed tomography

Tomography

Signal attenuation

Sensors

Reconstruction algorithms

Computing systems

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