Abstract
Forty wheat varieties were tested at two sites (Xuzhou and Nanjing) to evaluate genotypic and environmental variation of nitrogen use efficiency (NUE) and its relationship with nitrogen nutrition characteristics. It was shown that genotype had significant effect on NUE, but environment had less effect on NRE and NFE. All of the nitrogen nutrition traits were significantly influenced by the interaction of genotype x environment. NFE, as an integrated index reflecting the differences of grain yield and nitrogen utilization among different wheat varieties, was significantly correlated with NRE, NPP and NPS, which indicated that it should be more useful in evaluating nitrogen use efficiency. NFE could be improved by increasing N assimilation and translocation after anthesis to effectively increase the N utilization of wheat.
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Claims 6
Claim · model-written summary
Genotype significantly affected nitrogen use efficiency.
- Taxon
- wheat
Triticum aestivumt0 - Material
- genotypee0
- Outcome
- NUEe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was shown that genotype had significant effect on NUE, but environment had less effect on NRE and NFE.”
t0“wheat”
Claim · model-written summary
Environment had less effect on NRE and NFE.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- NRE and NFEe0
- Direction
- less effecte0
- Setting
- environmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was shown that genotype had significant effect on NUE, but environment had less effect on NRE and NFE.”
t0“wheat”
Claim · model-written summary
Genotype-by-environment interaction significantly influenced all nitrogen nutrition traits.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- interaction of genotype x environmente0
- Outcome
- nitrogen nutrition traitse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All of the nitrogen nutrition traits were significantly influenced by the interaction of genotype x environment.”
t0“wheat”
Claim · model-written summary
NFE correlated significantly with NRE, NPP and NPS.
- Taxon
- wheatTriticum aestivume0
- Outcome
- NFEe0
- Comparator
- NRE, NPP and NPSe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NFE, as an integrated index reflecting the differences of grain yield and nitrogen utilization among different wheat varieties, was significantly correlated with NRE, NPP and NPS”
Claim · model-written summary
NFE was considered a more useful index for evaluating nitrogen use efficiency.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- more useful in evaluating nitrogen use efficiencye0
- Qualifier
- NFEe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“which indicated that it should be more useful in evaluating nitrogen use efficiency.”
e1“NFE, as an integrated index”
t0“wheat varieties”
Claim · model-written summary
Increasing nitrogen assimilation and translocation after anthesis could improve NFE and nitrogen utilization.
- Taxon
- wheatTriticum aestivume0
- Outcome
- NFEe0
- Qualifier
- increasing N assimilation and translocation after anthesise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NFE could be improved by increasing N assimilation and translocation after anthesis to effectively increase the N utilization of wheat.”