ArticleBMC genetics2017
Detection of QTLs for seedling characteristics in barley (Hordeum vulgare L.) grown under hydroponic culture condition.
Article in BMC genetics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 18 citations in OpenAlex.
- Decoding the Genetic Basis of Salinity Tolerance at Germination and Seedling Traits in HEB-25 Barley NAM Population.Plants (Basel, Switzerland) · 2026Article
- Uncovering the potential MTAs, candidate genes and microRNAs regulatory networks involved in salinity stress tolerance triggered in Iranian Aegilops tauschii.Scientific reports · 2026Article
- Identifying developmental QTL alleles with favorable effect on grain yield components under late-terminal drought in spring barley MAGIC population.Plant direct · 2023Article
- QTLs Controlling Physiological and Morphological Traits of Barley (Hordeum vulgare L.) Seedlings under Salinity, Drought, and Normal ConditionsBiotech (Basel (Switzerland)) · 2022Article
- Identification of QTL underlying the main stem related traits in a doubled haploid barley population.Frontiers in plant science · 2022Article
- Association analysis, genetic diversity and population structure of barley (Hordeum vulgare L.) under heat stress conditions using SSR and ISSR markers linked to primary and secondary metabolites.Molecular biology reports · 2021Article
- QTL Mapping and Phenotypic Variation for Seedling Vigour Traits in Barley (Plants (Basel, Switzerland) · 2021Article
- Mapping dynamic QTL dissects the genetic architecture of grain size and grain filling rate at different grain-filling stages in barley.Scientific reports · 2019Article
- Dissecting the Genetic Basis of Grain Size and Weight in Barley (Frontiers in plant science · 2019Article
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Authors and funding
7 authors at 2 institutions in 3 countries.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundSeedling characteristics play significant roles in the growth and development of barley (Hordeum vulgare L.), including stable stand establishment, water and nutrients uptake, biotic resistance and abiotic stresses, and can influence yield and quality. However, the genetic mechanisms underlying seedling characteristics in barley are largely unknown and little research has been done. In the present work, 21 seedling-related characteristics are assessed in a barley double haploid (DH) population, grown under hydroponic conditions. Of them, leaf age (LAG), shoot height (SH), maximum root length (MRL), main root number (MRN) and seedling fresh weight (SFW) were investigated at the 13th, 20th, 27th, and 34th day after germination. The objectives were to identify quantitative trait loci (QTLs) underlying these seedling characteristics using a high-density linkage map and to reveal the QTL expression pattern by comparing the QTLs among four different seedling growth stages.
resultsA total of 70 QTLs were distributed over all chromosomes except 4H, and, individually, accounted for 5.01%-77.78% of phenotypic variation. Out of the 70 detected QTLs, 23 showed a major effect on 14 seedling-related characteristics. Ten co-localized chromosomal regions on 2H (five regions), 3H (two regions) and 7H (three regions) involved 39 QTLs (55.71%), each simultaneously influenced more than one trait. Meanwhile, 9 co-localized genomic regions involving 22 QTLs for five seedling characteristics (LAG, SH, MRL, MRN and SFW) at the 13th, 20th, 27th and 34th day-old seedling were common for two or more growth stages of seedling. QTL in the vicinity of Vrs1 locus on chromosome 2H with the favorable alleles from Huadamai 6 was found to have the largest main effects on multiple seedling-related traits.
conclusionsSix QTL cluster regions associated with 16 seedling-related characteristics were observed on chromosome 2H, 3H and 7H. The majority of the 29 regions identified for five seedling characteristics were selectively expressed at different developmental stages. The genetic effects of 9 consecutive expression regions displayed different developmental influences at different developmental stages. These findings enhanced our understanding of a genetic basis underlying seedling characteristics in barley. Some QTLs detected here could be used for marker-assisted selection (MAS) in barley breeding.
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