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Genetic analysis and physiological relationships of drought response in fennel: Interaction with mating system

The consequences of water deficit and its interaction with pollination system (deliberate selfing compared with open-pollination) on physiological, agronomic and phytochemical traits are not understood in fennel (Foeniculum vulgare Mill.). A research was started by creating selfed (S1) and half-sib...

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Autores principales: Hosseini, Elaheh, Majidi, Mohammad Mahdi, Saeidnia, Fatemeh, Ehtemam, Mohammad Hossein
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9707804/
https://www.ncbi.nlm.nih.gov/pubmed/36445894
http://dx.doi.org/10.1371/journal.pone.0277926
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author Hosseini, Elaheh
Majidi, Mohammad Mahdi
Saeidnia, Fatemeh
Ehtemam, Mohammad Hossein
author_facet Hosseini, Elaheh
Majidi, Mohammad Mahdi
Saeidnia, Fatemeh
Ehtemam, Mohammad Hossein
author_sort Hosseini, Elaheh
collection PubMed
description The consequences of water deficit and its interaction with pollination system (deliberate selfing compared with open-pollination) on physiological, agronomic and phytochemical traits are not understood in fennel (Foeniculum vulgare Mill.). A research was started by creating selfed (S1) and half-sib (HS) families on a fennel germplasm in 2018. Populations were studied in the field, applying a normal and a water deficit condition during two years (2019–2020). Considerable genotypic variation was observed within S1 and HS families for all of the evaluated traits, demonstrating that selection for these traits would be successful. Consequences of water deficit were manifested as declined most of the traits; and significantly increased essential oil content, harvest index, and proline content, in both populations. Mandatory selfing reduced the performance of genotypes for most of the traits confirming the existence of inbreeding depression (ID) with higher values for plant dry weight, seed yield, essential oil content, and number of umbelets per umbel. In S1 population, some of the studied traits had higher heritability estimates under normal condition and some of them showed higher heritability under water deficit. Positive relationship between GCA and STI in OP population indicated that it is possible to identify genotypes having high values of combining ability and drought tolerance. Results of the present study suggest that physiological traits cannot be used as an indicator to distinguish drought-tolerant genotypes in S1 progenies, whereas in OP progenies Chl a, Chl b, TChl, CAR, PRO, and RWC, which had significant correlations with drought tolerance, may be used for this purpose. Based on the results contrasting genotypes were identified, which can be used to develop mapping populations for genome studies of drought tolerance and physiological traits of this species in future studies.
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spelling pubmed-97078042022-11-30 Genetic analysis and physiological relationships of drought response in fennel: Interaction with mating system Hosseini, Elaheh Majidi, Mohammad Mahdi Saeidnia, Fatemeh Ehtemam, Mohammad Hossein PLoS One Research Article The consequences of water deficit and its interaction with pollination system (deliberate selfing compared with open-pollination) on physiological, agronomic and phytochemical traits are not understood in fennel (Foeniculum vulgare Mill.). A research was started by creating selfed (S1) and half-sib (HS) families on a fennel germplasm in 2018. Populations were studied in the field, applying a normal and a water deficit condition during two years (2019–2020). Considerable genotypic variation was observed within S1 and HS families for all of the evaluated traits, demonstrating that selection for these traits would be successful. Consequences of water deficit were manifested as declined most of the traits; and significantly increased essential oil content, harvest index, and proline content, in both populations. Mandatory selfing reduced the performance of genotypes for most of the traits confirming the existence of inbreeding depression (ID) with higher values for plant dry weight, seed yield, essential oil content, and number of umbelets per umbel. In S1 population, some of the studied traits had higher heritability estimates under normal condition and some of them showed higher heritability under water deficit. Positive relationship between GCA and STI in OP population indicated that it is possible to identify genotypes having high values of combining ability and drought tolerance. Results of the present study suggest that physiological traits cannot be used as an indicator to distinguish drought-tolerant genotypes in S1 progenies, whereas in OP progenies Chl a, Chl b, TChl, CAR, PRO, and RWC, which had significant correlations with drought tolerance, may be used for this purpose. Based on the results contrasting genotypes were identified, which can be used to develop mapping populations for genome studies of drought tolerance and physiological traits of this species in future studies. Public Library of Science 2022-11-29 /pmc/articles/PMC9707804/ /pubmed/36445894 http://dx.doi.org/10.1371/journal.pone.0277926 Text en © 2022 Hosseini et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Hosseini, Elaheh
Majidi, Mohammad Mahdi
Saeidnia, Fatemeh
Ehtemam, Mohammad Hossein
Genetic analysis and physiological relationships of drought response in fennel: Interaction with mating system
title Genetic analysis and physiological relationships of drought response in fennel: Interaction with mating system
title_full Genetic analysis and physiological relationships of drought response in fennel: Interaction with mating system
title_fullStr Genetic analysis and physiological relationships of drought response in fennel: Interaction with mating system
title_full_unstemmed Genetic analysis and physiological relationships of drought response in fennel: Interaction with mating system
title_short Genetic analysis and physiological relationships of drought response in fennel: Interaction with mating system
title_sort genetic analysis and physiological relationships of drought response in fennel: interaction with mating system
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9707804/
https://www.ncbi.nlm.nih.gov/pubmed/36445894
http://dx.doi.org/10.1371/journal.pone.0277926
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