Abstract
Phosphorus (P) efficiency (PE), which comprises phosphorus uptake (PupE) and utilization efficiency (PutE), is considered as one of the most important factors for crop yield. In the present study, 11 seedling traits and 13 maturity traits related to wheat PE and morphology were investigated using a set of recombinant inbred lines (RILs) derived from the cross of "TN 18 × LM 6," under hydroponic culture trials and field trials at low P (LP) and normal P (NP) levels in two different years, respectively. The LP input reduced of biomass, yield and PupE traits, but increased PutE traits. A total of 163 QTLs for seedling and maturity traits under different P levels and their AV, and 15 QTLs for relative traits were detected on 21 chromosomes. Of these, 49 and 63 QTLs for were detected specially in LP and NP treatments, respectively. We found 11 relatively high-frequency QTLs (RHF-QTLs) and four important QTL clusters, which may be the potential targets for marker-assisted selection (MAS) in wheat breeding programs for PE. Favorable relationships for breeding programs were found in the four important QTL clusters, which allow the possibility of improving the morphological traits and PutE simultaneously. A total of 29 markers which associated with 51 QTLs were found highly homologous with EST sequences, which suggested that they were potential functional loci. We suggested that the four biomass traits (SDW, RDW, TDW, and RSDW), five yield traits (SN, PH, TGW, GWP, and StWP) and two relative traits (Rstwp and Rgwp) can be considered as the primary indexes for the evaluation of PE for they are easy to identify on a large-scale.
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Claims 11
Claim · model-written summary
Low phosphorus reduced wheat biomass, yield and phosphorus uptake efficiency.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- LP inpute0
- Outcome
- biomass, yield and PupE traitse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The LP input reduced of biomass, yield and PupE traits”
t0“Wheat”
Claim · model-written summary
Low phosphorus increased wheat phosphorus utilization efficiency traits.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- LP inpute0
- Outcome
- PutE traitse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The LP input reduced of biomass, yield and PupE traits, but increased PutE traits.”
t0“Wheat”
Claim · model-written summary
The study detected 163 QTLs for seedling and maturity traits across 21 chromosomes.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- QTLs for seedling and maturity traitse0
- Value
- 163 QTLse0
- Qualifier
- 21 chromosomese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A total of 163 QTLs for seedling and maturity traits under different P levels and their AV, and 15 QTLs for relative traits were detected on 21 chromosomes.”
t0“Wheat”
Claim · model-written summary
The study detected 15 QTLs for relative traits.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- QTLs for relative traitse0
- Value
- 15 QTLse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“15 QTLs for relative traits were detected on 21 chromosomes.”
t0“Wheat”
Claim · model-written summary
Forty-nine QTLs were specific to low phosphorus.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- LPe0
- Outcome
- QTLse0
- Value
- 49e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Of these, 49 and 63 QTLs for were detected specially in LP and NP treatments, respectively.”
t0“Wheat”
Claim · model-written summary
Sixty-three QTLs were specific to normal phosphorus.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- NPe0
- Outcome
- QTLse0
- Value
- 63 QTLse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Of these, 49 and 63 QTLs for were detected specially in LP and NP treatments, respectively.”
t0“Wheat”
Claim · model-written summary
The study found 11 relatively high-frequency QTLs.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- relatively high-frequency QTLse0
- Value
- 11e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We found 11 relatively high-frequency QTLs (RHF-QTLs) and four important QTL clusters”
t0“Wheat”
Claim · model-written summary
The study found four important QTL clusters.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- important QTL clusterse0
- Value
- foure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We found 11 relatively high-frequency QTLs (RHF-QTLs) and four important QTL clusters”
t0“Wheat”
Claim · model-written summary
Four QTL clusters showed relationships favorable for simultaneous improvement of morphological traits and phosphorus utilization efficiency.
- Taxon
- WheatTriticum aestivumt0
- Gene
- four important QTL clusterse0
- Outcome
- morphological traits and PutEe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Favorable relationships for breeding programs were found in the four important QTL clusters, which allow the possibility of improving the morphological traits and PutE simultaneously.”
t0“Wheat”
Claim · model-written summary
Twenty-nine markers associated with 51 QTLs were highly homologous with EST sequences.
- Taxon
- WheatTriticum aestivumt0
- Gene
- 29 markerse0
- Outcome
- highly homologous with EST sequencese0
- Qualifier
- 51 QTLse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A total of 29 markers which associated with 51 QTLs were found highly homologous with EST sequences”
t0“Wheat”
Claim · model-written summary
The authors recommend four biomass, five yield and two relative traits as primary indexes for evaluating wheat phosphorus efficiency.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- primary indexes for the evaluation of PEe0
- Qualifier
- easy to identify on a large-scalee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We suggested that the four biomass traits (SDW, RDW, TDW, and RSDW), five yield traits (SN, PH, TGW, GWP, and StWP) and two relative traits (Rstwp and Rgwp) can be considered as the primary indexes for the evaluation of PE for they are easy to identify on a large-scale.”
t0“Wheat”
The same questions in other papers
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