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Article

Relationship between the Characteristics of Bread Wheat Grains, Storage Time and Germination

1
Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
2
Faculty of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
3
Kurchatov Genomics Center, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
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Landesanstalt für Landwirtschaft und Gartenbau, Dezernat 42, Prüf- und Anerkennungsstelle für Saat- und Pflanzgut, Schiepziger Str. 29, 06120 Halle (Saale), Germany
5
Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstr. 3, OT Gatersleben, 06466 Seeland, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Khalid Meksem
Plants 2022, 11(1), 35; https://doi.org/10.3390/plants11010035
Received: 5 December 2021 / Revised: 18 December 2021 / Accepted: 21 December 2021 / Published: 23 December 2021
Seed storage is important to farmers, breeders and for germplasm preservation. During storage, seeds accumulate damage at the structural and metabolic level, which disrupt their function and reduce resistance to adverse external conditions. In this regard, issues related to seed aging prove to be relevant for maintaining the viability of genetic collections. We analyzed morphological characteristics of grains and their coat color for 44 recombinant inbred lines (RILs) of bread wheat grown in four different seasons, 2003, 2004, 2009 and 2014. Our investigations were performed in 2020. For 19 RILs from the same seasons germination was evaluated. Our results demonstrate that genotype significantly affects the variability of all seed traits, and the year of harvesting affects about 80% of them (including all the traits of shape and size). To identify the trend between changes in grain characteristics and harvesting year, we estimated correlation coefficients between them. No significant trend was detected for the grain shape/size traits, while 90% of the color traits demonstrated such a trend. The most significant negative correlations were found between the harvesting year and the traits of grain redness: the greater the storage time, the more intensive is red color component for the grains. At the same time, it was shown that grains of longer storage time (earlier harvesting year) have lighter coat. Analysis of linear correlations between germination of wheat seeds of different genotypes and harvesting years and their seed traits revealed a negative linear relationship between the red component of coat color and germination: the redder the grains, the lower their germination rate. The results obtained demonstrate manifestations of metabolic changes in the coat of grains associated with storage time and their relationship with a decrease of seed viability. View Full-Text
Keywords: wheat grains; seed aging; image analysis; seed traits; seed coat color; germination wheat grains; seed aging; image analysis; seed traits; seed coat color; germination
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MDPI and ACS Style

Afonnikov, D.A.; Komyshev, E.G.; Efimov, V.M.; Genaev, M.A.; Koval, V.S.; Gierke, P.U.; Börner, A. Relationship between the Characteristics of Bread Wheat Grains, Storage Time and Germination. Plants 2022, 11, 35. https://doi.org/10.3390/plants11010035

AMA Style

Afonnikov DA, Komyshev EG, Efimov VM, Genaev MA, Koval VS, Gierke PU, Börner A. Relationship between the Characteristics of Bread Wheat Grains, Storage Time and Germination. Plants. 2022; 11(1):35. https://doi.org/10.3390/plants11010035

Chicago/Turabian Style

Afonnikov, Dmitry A., Evgenii G. Komyshev, Vadim M. Efimov, Mikhail A. Genaev, Vasily S. Koval, Peter U. Gierke, and Andreas Börner. 2022. "Relationship between the Characteristics of Bread Wheat Grains, Storage Time and Germination" Plants 11, no. 1: 35. https://doi.org/10.3390/plants11010035

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