Oil palm pest infestation monitoring and evaluation by helicopter-mounted, low altitude remote sensing platform

Grianggai Samseemoung; Hemantha P.W. Jayasuriya; Peeyush Soni

doi:10.1117/1.3609843

1 January 2011 Oil palm pest infestation monitoring and evaluation by helicopter-mounted, low altitude remote sensing platform

Grianggai Samseemoung, Hemantha P.W. Jayasuriya, Peeyush Soni

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 5, Issue 1, 053540 (January 2011). https://doi.org/10.1117/1.3609843

Abstract

Timely detection of pest or disease infections is extremely important for controlling the spread of disease and preventing crop productivity losses. A specifically designed radio-controlled helicopter mounted low altitude remote sensing (LARS) platform can offer near-real-time results upon user demand. The acquired LARS images were processed to estimate vegetative-indices and thereby detecting upper stem rot (Phellinus Noxius) disease in both young and mature oil palm plants. The indices helped discriminate healthy and infested plants by visualization, analysis and presentation of digital imagery software, which were validated with ground truth data. Good correlations and clear data clusters were obtained in characteristic plots of normalized difference vegetation index (NDVI)_LARS and green normalized difference vegetation index_LARS against NDVI_Spectro and chlorophyll content, by which infested plants were discriminated from healthy plants in both young and mature crops. The chlorophyll content values (μmol m⁻²) showed notable differences among clusters for healthy young (972 to 1100), for infested young (253 to 400), for healthy mature (1210 to 1500), and for infested mature (440 to 550) oil palm. The correlation coefficients (R²) were in a reasonably acceptable range (0.62 to 0.88). The vegetation indices based on LARS images, provided satisfactory results when compared to other approaches. The developed technology showed promising scope for medium and large plantations.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Grianggai Samseemoung, Hemantha P.W. Jayasuriya, and Peeyush Soni "Oil palm pest infestation monitoring and evaluation by helicopter-mounted, low altitude remote sensing platform," Journal of Applied Remote Sensing 5(1), 053540 (1 January 2011). https://doi.org/10.1117/1.3609843

Published: 1 January 2011

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