title: Optical sensing method to analyze germination rate of Capsicum annum seeds treated with growth-promoting chemical compounds using optical coherence tomography.
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.
authors.affiliation: Kyungpook National University, College of IT Engineering, School of Electronics Engineering, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea.
authors.forename: Ruchire Eranga
authors.initials: RE
authors.lastname: Wijesinghe
authors.affiliation: Kyungpook National University, School of Applied Biosciences, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea.
authors.forename: Seung-Yeol
authors.initials: SY
authors.lastname: Lee
authors.affiliation: Oz-tec, Institute of Optics Image Diagnostic Technology, no 901, IT Convergence Industrial Building, 47, Gyeongdae-ro, 17-gil, Buk-gu, Daegu 41566, Republic of Korea.
authors.forename: Pilun
authors.initials: P
authors.lastname: Kim
authors.affiliation: Kyungpook National University, School of Applied Biosciences, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea.
authors.forename: Hee-Young
authors.initials: HY
authors.lastname: Jung
authors.affiliation: Kyungpook National University, College of IT Engineering, School of Electronics Engineering, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea.
authors.forename: Mansik
authors.initials: M
authors.lastname: Jeon
authors.affiliation: Kyungpook National University, College of IT Engineering, School of Electronics Engineering, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea.
authors.forename: Jeehyun
authors.initials: J
authors.lastname: Kim
mesh_terms: D000383:Agriculture / Q000295:instrumentation* / Q000379:methods*; D002212:Capsicum / Q000187:drug effects / Q000254:growth & development*; D018525:Germination / Q000187:drug effects; D010937:Plant Growth Regulators / Q000494:pharmacology; D012639:Seeds / Q000187:drug effects / Q000254:growth & development*; D041623:Tomography, Optical Coherence
chemical_list: D010937:Plant Growth Regulators