The Study of Luminescence Spectra of Seeds of Crop Species for Diagnostic Quality

The Study of Luminescence Spectra of Seeds of Crop Species for Diagnostic Quality

Alexey Bashilov (Moscow Aviation Institute, Russia) and Mikhail Belyakov (Branch of the National Research University “MPEI” in Smolensk, Russia)
DOI: 10.4018/978-1-5225-9420-8.ch018

Abstract

In this chapter, optical luminescent biological objects diagnostics methods and biotissues are considered. According to the previously developed method, excitation and photoluminescence spectra agricultural plants seeds, including cereals, legumes, fodder, technical, and vegetable, were measured. The typical excitation spectrum lies in the range of 355-500 nm and has two maxima: the main one at 424 nm and the side one at 485 nm. The luminescence spectrum lies in the range of 420-650 nm and has a maximum in the region of 500-520 nm. The maximum luminescence is less pronounced than in the excitation spectrum. The measured spectral luminescence characteristics forage plants seeds by scarification. Due to the scarification forage plants seeds spectral characteristics increase. In Galega seeds with multiple scarification, observed qualitative changes in the excitation spectrum was associated with the appearance of a new maximum at a wavelength of 423 nm. Similarly, for clover seeds, the obtained results can be used to create seed diagnostics devices.
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Spectral Luminescent Characteristics Investigation Of Agricultural Plants Seeds

Optical spectral excitation characteristics measurement and luminescence of agricultural crops seeds were carried out on the basis of hardware and software complex, consisting of a multifunctional spectrofluorometer “Fluorate-02-Panorama”, a computer with installed software “PanoramaPro” and an external camera for the investigated samples (“Lumex”, 2018).

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