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5 January 2017 Optical sensing method to analyze germination rate of Capsicum annum seeds treated with growth-promoting chemical compounds using optical coherence tomography
Ruchire Eranga H. Wijesinghe, Seung-Yeol Lee, Pilun Kim, Hee-Young Jung, Mansik Jeon, Jeehyun Kim
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Journal of Biomedical Optics, Vol. 22, Issue 9, 091502 (January 2017). https://doi.org/10.1117/1.JBO.22.9.091502
Abstract
Seed germination rate differs based on chemical treatments, and nondestructive measurements of germination rate have become an essential requirement in the field of agriculture. Seed scientists and other biologists are interested in optical sensing technologies-based biological discoveries due to nondestructive detection capability. Optical coherence tomography (OCT) has recently emerged as a powerful method for biological and plant material discoveries. We report an extended application of OCT by monitoring the germination rate acceleration of chemically primed seeds. To validate the versatility of the method, Capsicum annum seeds were primed using three chemical compounds: sterile distilled water (SDW), butandiol, and 1-hexadecene. Monitoring was performed using a 1310-nm swept source OCT system. The results confirmed more rapid morphological variations in the seeds treated with 1-hexadecene medium than the seeds treated with SDW and butandiol within 8 consecutive days. In addition, fresh weight measurements (gold standard) of seeds were monitored for 15 days, and the obtained results were correlated with the OCT results. Thus, such a method can be used in various agricultural fields, and OCT shows potential as a rigorous sensing method for selecting the optimal plant growth-promoting chemical compounds rapidly, when compared with the gold standard methods.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE) 1083-3668/2017/$25.00 © 2017 SPIE
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Ruchire Eranga H. Wijesinghe, Seung-Yeol Lee, Pilun Kim, Hee-Young Jung, Mansik Jeon, and Jeehyun Kim "Optical sensing method to analyze germination rate of Capsicum annum seeds treated with growth-promoting chemical compounds using optical coherence tomography," Journal of Biomedical Optics 22(9), 091502 (5 January 2017). https://doi.org/10.1117/1.JBO.22.9.091502
Received: 21 September 2016; Accepted: 10 November 2016; Published: 5 January 2017
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KEYWORDS
Optical coherence tomography
Chemical analysis
Optical sensing
Agriculture
3D image processing
Chemical compounds
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