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Abiotic Stress Tolerance of Coastal Accessions of a Promising Forage Species, Trifolium fragiferum

Crop wild relatives are valuable as a genetic resource to develop new crop cultivars, better adapted to increasing environmental heterogeneity and being able to give high quality yields in a changing climate. The aim of the study was to evaluate the tolerance of different accessions of a crop wild r...

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Autores principales: Andersone-Ozola, Una, Jēkabsone, Astra, Purmale, Līva, Romanovs, Māris, Ievinsh, Gederts
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8401682/
https://www.ncbi.nlm.nih.gov/pubmed/34451597
http://dx.doi.org/10.3390/plants10081552
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author Andersone-Ozola, Una
Jēkabsone, Astra
Purmale, Līva
Romanovs, Māris
Ievinsh, Gederts
author_facet Andersone-Ozola, Una
Jēkabsone, Astra
Purmale, Līva
Romanovs, Māris
Ievinsh, Gederts
author_sort Andersone-Ozola, Una
collection PubMed
description Crop wild relatives are valuable as a genetic resource to develop new crop cultivars, better adapted to increasing environmental heterogeneity and being able to give high quality yields in a changing climate. The aim of the study was to evaluate the tolerance of different accessions of a crop wild relative, Trifolium fragiferum L., from coastal habitats of the Baltic Sea to three abiotic factors (increased soil moisture, trampling, cutting) in controlled conditions. Seeds from four accessions of T. fragiferum, collected in the wild, were used for experiments, and cv. ‘Palestine’ was used as a reference genotype. Plants were cultivated in asymbiotic conditions of soil culture. Treatments were performed in a quantifiable way, with three gradations for soil moisture (optimum, waterlogged, flooded) and four gradations for both trampling and cutting. All accessions had relatively high tolerance against increased soil moisture, trampling, and cutting, but significant accession-specific differences in tolerance to individual factors were clearly evident, indicating that the studied wild accessions represented different ecotypes of the species. Several wild accessions of T. fragiferum showed stress tolerance-related features superior to these of cv. ‘Palestine’, but TF1 was the most tolerant accession, with a very high score against both waterlogging and cutting, and a high score against trampling.
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spelling pubmed-84016822021-08-29 Abiotic Stress Tolerance of Coastal Accessions of a Promising Forage Species, Trifolium fragiferum Andersone-Ozola, Una Jēkabsone, Astra Purmale, Līva Romanovs, Māris Ievinsh, Gederts Plants (Basel) Article Crop wild relatives are valuable as a genetic resource to develop new crop cultivars, better adapted to increasing environmental heterogeneity and being able to give high quality yields in a changing climate. The aim of the study was to evaluate the tolerance of different accessions of a crop wild relative, Trifolium fragiferum L., from coastal habitats of the Baltic Sea to three abiotic factors (increased soil moisture, trampling, cutting) in controlled conditions. Seeds from four accessions of T. fragiferum, collected in the wild, were used for experiments, and cv. ‘Palestine’ was used as a reference genotype. Plants were cultivated in asymbiotic conditions of soil culture. Treatments were performed in a quantifiable way, with three gradations for soil moisture (optimum, waterlogged, flooded) and four gradations for both trampling and cutting. All accessions had relatively high tolerance against increased soil moisture, trampling, and cutting, but significant accession-specific differences in tolerance to individual factors were clearly evident, indicating that the studied wild accessions represented different ecotypes of the species. Several wild accessions of T. fragiferum showed stress tolerance-related features superior to these of cv. ‘Palestine’, but TF1 was the most tolerant accession, with a very high score against both waterlogging and cutting, and a high score against trampling. MDPI 2021-07-28 /pmc/articles/PMC8401682/ /pubmed/34451597 http://dx.doi.org/10.3390/plants10081552 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Andersone-Ozola, Una
Jēkabsone, Astra
Purmale, Līva
Romanovs, Māris
Ievinsh, Gederts
Abiotic Stress Tolerance of Coastal Accessions of a Promising Forage Species, Trifolium fragiferum
title Abiotic Stress Tolerance of Coastal Accessions of a Promising Forage Species, Trifolium fragiferum
title_full Abiotic Stress Tolerance of Coastal Accessions of a Promising Forage Species, Trifolium fragiferum
title_fullStr Abiotic Stress Tolerance of Coastal Accessions of a Promising Forage Species, Trifolium fragiferum
title_full_unstemmed Abiotic Stress Tolerance of Coastal Accessions of a Promising Forage Species, Trifolium fragiferum
title_short Abiotic Stress Tolerance of Coastal Accessions of a Promising Forage Species, Trifolium fragiferum
title_sort abiotic stress tolerance of coastal accessions of a promising forage species, trifolium fragiferum
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8401682/
https://www.ncbi.nlm.nih.gov/pubmed/34451597
http://dx.doi.org/10.3390/plants10081552
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