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Article

Variability of Seed Germination and Dormancy Characteristics and Genetic Analysis of Latvian Avena fatua Populations

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Institute for Plant Protection Research ‘Agrihorts’, Latvia University of Science and Technology, LV-3004 Jelgava, Latvia
2
Stende Research Centre, Institute of Agricultural Resources and Economics, Dizzemes, Dizstende, Libagu Parish, LV-3258 Talsu District, Latvia
3
Latvian State Forest Research Institute ‘Silava’, LV-2169 Salaspils, Latvia
*
Author to whom correspondence should be addressed.
Plants 2021, 10(2), 235; https://doi.org/10.3390/plants10020235
Received: 23 December 2020 / Revised: 15 January 2021 / Accepted: 18 January 2021 / Published: 26 January 2021
Avena fatua is an economically detrimental weed found in cereal growing areas worldwide. Knowledge about the variation of dormancy and germination characteristics, as well as of the genetic diversity and structure can provide additional information about different populations within a region. Identification and development of potential indicators or markers of seed germination behavior, would be useful for modelling emergence and seed bank dynamics. This study aimed to describe the initial germination, dormancy, and morphological characteristics of seeds from different Latvian populations of A. fatua and to investigate the genetic structure of local populations. Seed samples from 26 to 41 locations in different regions of Latvia were collected over three years. Seed morphology, initial germination, and the effect of dormancy-breaking treatments were determined. Seeds from 18 Latvian populations with contrasting seed dormancy characteristics were genotyped. Although morphological differences between seeds from different regions were revealed, genetic analysis of the selected populations indicated that the population structure was not related to geographical location, which probably reflects the impact of anthropogenic dispersal of A. fatua seeds. The effect of dormancy-breaking treatments varied between years, between climatic zones and between populations, indicating environmental influences as well as inherited dormancy. View Full-Text
Keywords: dormancy genotyping; gibberellin; iPBS markers; seed morphology; wild oat; weed dormancy genotyping; gibberellin; iPBS markers; seed morphology; wild oat; weed
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MDPI and ACS Style

Ņečajeva, J.; Bleidere, M.; Jansone, Z.; Gailīte, A.; Ruņģis, D. Variability of Seed Germination and Dormancy Characteristics and Genetic Analysis of Latvian Avena fatua Populations. Plants 2021, 10, 235. https://doi.org/10.3390/plants10020235

AMA Style

Ņečajeva J, Bleidere M, Jansone Z, Gailīte A, Ruņģis D. Variability of Seed Germination and Dormancy Characteristics and Genetic Analysis of Latvian Avena fatua Populations. Plants. 2021; 10(2):235. https://doi.org/10.3390/plants10020235

Chicago/Turabian Style

Ņečajeva, Jevgenija, Māra Bleidere, Zaiga Jansone, Agnese Gailīte, and Dainis Ruņģis. 2021. "Variability of Seed Germination and Dormancy Characteristics and Genetic Analysis of Latvian Avena fatua Populations" Plants 10, no. 2: 235. https://doi.org/10.3390/plants10020235

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