Rapid Nondestructive Grading Detection of Maize Seed Vigor Using TDLAS Technique

doi:10.3788/CJL201946.0911002

CIOMP OpenIR

	Rapid Nondestructive Grading Detection of Maize Seed Vigor Using TDLAS Technique
	L.Jia; H.Qi; W.Hu; G.Zhao; R.Kan; L.Gao; W.Zheng; Q.Xu
	2019
发表期刊	Zhongguo Jiguang/Chinese Journal of Lasers
ISSN	02587025
卷号	46 期号:9
摘要	Quick and nondestructive detection of seed vigor is a popular and difficult task in the seed research field. Based on the relationship between seed respiration and seed vigor, we proposed a rapid non-destructive testing system for seed vigor based on TDLAS technique. The proposed system comprises a distributed feedback laser and its control circuit, a photoelectric conversion and amplification circuit, a data acquisition circuit, an upper computer software, and a seed breathing carbon dioxide (CO2) concentration detection pool based on a multi-reflection pool structure. The detection pool has a volume of 1.5 L, a light path of 16 m, and a laser source band of 2004 nm. Based on Lambert Beer's law, we use wavelength modulated absorption spectroscopy and second harmonic generation to invert the CO2 concentration generated during seed respiration. Seed vigor is determined according to the concentration of CO2 in seed respiration, and the vigor index obtained from the germination and seedling emergence experiment is compared and validated. The experimental results show that the correlation between the change of CO2 respiratory intensity and seed vigor grade index is greater than 0.9, i.e., the rapid non-destructive testing system for seed vigor based on TDLAS technique can accurately, nondestructively, and efficiently reflect the seed vigor grade. This study provides useful exploration in non-destructive testing and grading of seed vigor using TDLAS technique. 2019, Chinese Lasers Press. All right reserved.
关键词	Seed,Absorption spectroscopy,Bridge decks,Carbon dioxide,Computer control systems,Computer software,Data acquisition,Distributed computer systems,Distributed feedback lasers,Grading
DOI	10.3788/CJL201946.0911002
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收录类别	EI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/63310
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	L.Jia,H.Qi,W.Hu,et al. Rapid Nondestructive Grading Detection of Maize Seed Vigor Using TDLAS Technique[J]. Zhongguo Jiguang/Chinese Journal of Lasers,2019,46(9).
APA	L.Jia.,H.Qi.,W.Hu.,G.Zhao.,R.Kan.,...&Q.Xu.(2019).Rapid Nondestructive Grading Detection of Maize Seed Vigor Using TDLAS Technique.Zhongguo Jiguang/Chinese Journal of Lasers,46(9).
MLA	L.Jia,et al."Rapid Nondestructive Grading Detection of Maize Seed Vigor Using TDLAS Technique".Zhongguo Jiguang/Chinese Journal of Lasers 46.9(2019).

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