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Article

Water Spectral Patterns Reveals Similarities and Differences in Rice Germination and Induced Degenerated Callus Development

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Department of Measurements and Process Control, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Somlói út 14-16, 1118 Budapest, Hungary
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Biomeasurement Technology Laboratory, Graduate School of Agricultural Science, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe 657-8501, Hyogo, Japan
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Department of Human Environmental Science, Graduate School of Human Development and Environment, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe 657-8501, Hyogo, Japan
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ADEXGO Ltd., Lapostelki u. 13, 8230 Balatonfüred, Hungary
*
Authors to whom correspondence should be addressed.
Academic Editor: Alberto Gianinetti
Plants 2021, 10(9), 1832; https://doi.org/10.3390/plants10091832
Received: 31 July 2021 / Revised: 29 August 2021 / Accepted: 30 August 2021 / Published: 3 September 2021
(This article belongs to the Special Issue Seed Physiology)
In vivo monitoring of rice (Oryza sativa L.) seed germination and seedling growth under general conditions in closed Petri dishes containing agar base medium at room temperature (temperature = 24.5 ± 1 °C, relative humidity = 76 ± 7% (average ± standard deviation)), and induced degenerated callus formation with plant growth regulator, were performed using short-wavelength near-infrared spectroscopy and aquaphotomics over A period of 26 days. The results of spectral analysis suggest changes in water absorbances due to the production of common metabolites, as well as increases in biomass and the sizes of the samples. Quantitative models built to predict the day of the development provided better accuracy for rice seedlings growth compared to callus formation. Eight common water bands were identified as presenting prominent changes in the absorbance pattern. The water matrix of only rice seedlings showed three developmental stages: firstly expressing a predominantly weakly hydrogen-bonded state, then a more strongly hydrogen-bonded state, and then, again, a weakly hydrogen-bonded state at the end. In rice callus induction and proliferation, no similar change in water absorbance pattern was observed. The presented findings indicate the potential of aquaphotomics for the in vivo detection of degeneration in cell development. View Full-Text
Keywords: rice; callus proliferation; in vivo monitoring; cell development; near infrared spectroscopy; aquaphotomics rice; callus proliferation; in vivo monitoring; cell development; near infrared spectroscopy; aquaphotomics
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MDPI and ACS Style

Kovacs, Z.; Muncan, J.; Ohmido, N.; Bazar, G.; Tsenkova, R. Water Spectral Patterns Reveals Similarities and Differences in Rice Germination and Induced Degenerated Callus Development. Plants 2021, 10, 1832. https://doi.org/10.3390/plants10091832

AMA Style

Kovacs Z, Muncan J, Ohmido N, Bazar G, Tsenkova R. Water Spectral Patterns Reveals Similarities and Differences in Rice Germination and Induced Degenerated Callus Development. Plants. 2021; 10(9):1832. https://doi.org/10.3390/plants10091832

Chicago/Turabian Style

Kovacs, Zoltan, Jelena Muncan, Nobuko Ohmido, George Bazar, and Roumiana Tsenkova. 2021. "Water Spectral Patterns Reveals Similarities and Differences in Rice Germination and Induced Degenerated Callus Development" Plants 10, no. 9: 1832. https://doi.org/10.3390/plants10091832

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