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Optical Engineering

GammaScorpion: mobile gamma-ray tomography system for early detection of basal stem rot in oil palm plantations
Author(s): Jaafar Abdullah; Hearie Hassan; Mohamad R. Shari; Salzali Mohd; Mahadi Mustapha; Airwan A. Mahmood; Shahrizan Jamaludin; Mohd Rosdi Ngah; Noor Hisham Hamid
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Paper 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.

Paper Details

Date Published: 8 March 2013
PDF: 12 pages
Opt. Eng. 52(3) 036502 doi: 10.1117/1.OE.52.3.036502
Published in: Optical Engineering Volume 52, Issue 3
Show Author Affiliations
Jaafar Abdullah, Malaysian Nuclear Agency (Malaysia)
Hearie Hassan, Malaysian Nuclear Agency (Malaysia)
Mohamad R. Shari, Malaysian Nuclear Agency (Malaysia)
Salzali Mohd, Malaysian Nuclear Agency (Malaysia)
Mahadi Mustapha, Malaysian Nuclear Agency (Malaysia)
Airwan A. Mahmood, Malaysian Nuclear Agency (Malaysia)
Shahrizan Jamaludin, Malaysian Nuclear Agency (Malaysia)
Mohd Rosdi Ngah, Felda Holdings Bhd (Malaysia)
Noor Hisham Hamid, Felda Holdings Bhd (Malaysia)


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