Abstract
Improved root architecture of cultivated barley can improve crop performance in drought-prone areas. In this study, seedlings of 315 wild barley ( Hordeum vulgare subsp. spontaneum ) accessions from the Wild Barley Diversity Collection (WBDC) were grown under hydroponic conditions for 8 d after germination and then root characteristics were analysed. Significant differences were observed among the accessions with regard to seminal root number (SRN), root length (RL), specific root length (SRL), root fresh weight and root dry weight (RDW). Principal component analysis explained about 81% of the total variation for ten traits. Principal component (PC) 1, PC2 and PC3 explained about 38, 30 and 13% of the total variation among the accessions. The two most prominent contributors in each PC were RL and SRL, RDW and SRN, and the longitude and latitude of the collection sites, respectively. Accessions WBDC266, WBDC302, WBDC286 and WBDC011 had the longest RL and the highest RDW, specific dry root weight and SRL, respectively. These accessions may be useful genetic resources for the improvement of these root traits in cultivated barley.
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Claims 10
Claim · model-written summary
Seedling root traits differed significantly among wild barley accessions in seminal root number, root length and specific root length.
- Taxon
- wild barley
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Hordeum vulgare subsp. spontaneume1 - Outcome
- seminal root number (SRN), root length (RL), specific root length (SRL)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Significant differences were observed among the accessions with regard to seminal root number (SRN), root length (RL), specific root length (SRL)”
e1“seedlings of 315 wild barley ( Hordeum vulgare subsp. spontaneum ) accessions”
Claim · model-written summary
Root fresh weight and root dry weight differed significantly among wild barley accessions.
- Taxon
- wild barleyHordeum vulgare subsp. spontaneume1
- Outcome
- root fresh weight and root dry weighte2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“seedlings of 315 wild barley ( Hordeum vulgare subsp. spontaneum ) accessions”
e2“root fresh weight and root dry weight (RDW)”
Claim · model-written summary
Principal component analysis explained about 81% of the total variation among wild barley accessions for ten traits.
- Taxon
- wild barleyHordeum vulgare subsp. spontaneume1
- Outcome
- total variation for ten traitse3
- Value
- about 81%e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“seedlings of 315 wild barley ( Hordeum vulgare subsp. spontaneum ) accessions”
e3“Principal component analysis explained about 81% of the total variation for ten traits”
Claim · model-written summary
Principal components 1, 2 and 3 explained about 38, 30 and 13% of the total variation among wild barley accessions.
- Taxon
- wild barleyHordeum vulgare subsp. spontaneume1
- Outcome
- total variation among the accessionse4
- Value
- about 38, 30 and 13%e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“seedlings of 315 wild barley ( Hordeum vulgare subsp. spontaneum ) accessions”
e4“Principal component (PC) 1, PC2 and PC3 explained about 38, 30 and 13% of the total variation among the accessions”
Claim · model-written summary
RL and SRL were the most prominent contributors to PC1, RDW and SRN to PC2, and collection longitude and latitude to PC3.
- Taxon
- wild barleyHordeum vulgare subsp. spontaneume1
- Outcome
- most prominent contributors in each PCe5
- Qualifier
- RL and SRLe5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“seedlings of 315 wild barley ( Hordeum vulgare subsp. spontaneum ) accessions”
e5“The two most prominent contributors in each PC were RL and SRL, RDW and SRN, and the longitude and latitude of the collection sites, respectively”
Claim · model-written summary
Accession WBDC266 had the longest root length among the wild barley accessions.
- Taxon
- wild barleyHordeum vulgare subsp. spontaneume1
- Material
- WBDC266e6
- Outcome
- RLe6
- Direction
- longeste6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“seedlings of 315 wild barley ( Hordeum vulgare subsp. spontaneum ) accessions”
e6“Accessions WBDC266, WBDC302, WBDC286 and WBDC011 had the longest RL and the highest RDW, specific dry root weight and SRL, respectively”
Claim · model-written summary
Accession WBDC302 had the highest root dry weight among the wild barley accessions.
- Taxon
- wild barleyHordeum vulgare subsp. spontaneume1
- Material
- WBDC302e6
- Outcome
- RDWe6
- Direction
- higheste6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“seedlings of 315 wild barley ( Hordeum vulgare subsp. spontaneum ) accessions”
e6“Accessions WBDC266, WBDC302, WBDC286 and WBDC011 had the longest RL and the highest RDW, specific dry root weight and SRL, respectively”
Claim · model-written summary
Accession WBDC286 had the highest specific dry root weight among the wild barley accessions.
- Taxon
- wild barleyHordeum vulgare subsp. spontaneume1
- Material
- WBDC286e6
- Outcome
- specific dry root weighte6
- Direction
- higheste6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“seedlings of 315 wild barley ( Hordeum vulgare subsp. spontaneum ) accessions”
e6“Accessions WBDC266, WBDC302, WBDC286 and WBDC011 had the longest RL and the highest RDW, specific dry root weight and SRL, respectively”
Claim · model-written summary
Accession WBDC011 had the highest specific root length among the wild barley accessions.
- Taxon
- wild barleyHordeum vulgare subsp. spontaneume1
- Material
- WBDC011e6
- Outcome
- SRLe6
- Direction
- higheste6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“seedlings of 315 wild barley ( Hordeum vulgare subsp. spontaneum ) accessions”
e6“Accessions WBDC266, WBDC302, WBDC286 and WBDC011 had the longest RL and the highest RDW, specific dry root weight and SRL, respectively”
Claim · model-written summary
The accessions may be useful genetic resources for improving root traits in cultivated barley.
- Taxon
- cultivated barleyHordeum vulgaree7
- Outcome
- useful genetic resources for the improvement of these root traitse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“These accessions may be useful genetic resources for the improvement of these root traits in cultivated barley”