Abstract
The relationships between grain quality and the accumulation of nitrogen and sulfur in 12 wheat cultivars were examined.The wheat cuhivars were classified into three groups: high N/S ratio,medium N/S ratio and low N/S ratio. The results showed that sulfur accumulation correlated positively with nitrogen accumulation(P0.001),but no signifi- cant line correlations between nitrogen harvest index and sulfur harvest index were observed.High N/S ratio cultivars had higher nitrogen accumulation rate but lower sulfur harvest index,or higher nitrogen harvest index but lower sulfur accu- mulation rate.Medium N/S ratio cultivars had higher nitrogen harvest index and higher sulfur harvest index.Low N/S ratio cultivars had lower nitrogen harvest index,higher sulfur accumulation rate and higher sulfur harvest index.The pro- portions of nitrogen and sulfur allocation to grain were the main reason causing for the difference of N/S ratio in grain over different cuhivars.There were significant differences in the content of glutenin,the glutenin/gliadin ratio,dough devel- opment time and stability time between different groups,and all parameters had a quadric curved lines relation with N/S ratio in grain.Suitable N/S ratio in grain was propitious to the accumulation of glutenin and the grain quality.
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Claims 14
Claim · model-written summary
Sulfur accumulation correlated positively with nitrogen accumulation.
Not reportedTaxonCompound
Verbatim
e0“sulfur accumulation correlated positively with nitrogen accumulation(P0.001)”
Claim · model-written summary
Nitrogen and sulfur harvest indices had no significant linear correlation.
- Outcome
- nitrogen harvest indexe0
- Qualifier
- no signifi- cant line correlationse0
- Comparator
- sulfur harvest indexe0
Not reportedTaxonDirection
Verbatim
e0“no signifi- cant line correlations between nitrogen harvest index and sulfur harvest index were observed”
Claim · model-written summary
High N/S ratio cultivars had higher nitrogen accumulation rate and lower sulfur harvest index.
Not reportedTaxon
Verbatim
e0“High N/S ratio cultivars had higher nitrogen accumulation rate but lower sulfur harvest index,or higher nitrogen harvest index but lower sulfur accu- mulation rate.”
Claim · model-written summary
High N/S ratio cultivars had lower sulfur harvest index.
Not reportedTaxon
Verbatim
e0“High N/S ratio cultivars had higher nitrogen accumulation rate but lower sulfur harvest index”
Claim · model-written summary
High N/S ratio cultivars alternatively had higher nitrogen harvest index.
Not reportedTaxon
Verbatim
e0“or higher nitrogen harvest index but lower sulfur accu- mulation rate”
Claim · model-written summary
High N/S ratio cultivars alternatively had lower sulfur accumulation rate.
Not reportedTaxon
Verbatim
e0“or higher nitrogen harvest index but lower sulfur accu- mulation rate”
Claim · model-written summary
Medium N/S ratio cultivars had higher nitrogen and sulfur harvest indices.
- Material
- Medium N/S ratio cultivarse0
- Outcome
- nitrogen harvest index and higher sulfur harvest indexe0
- Direction
- highere0
Not reportedTaxon
Verbatim
e0“Medium N/S ratio cultivars had higher nitrogen harvest index and higher sulfur harvest index.”
Claim · model-written summary
Low N/S ratio cultivars had lower nitrogen harvest index.
Not reportedTaxon
Verbatim
e0“Low N/S ratio cultivars had lower nitrogen harvest index,higher sulfur accumulation rate and higher sulfur harvest index.”
Claim · model-written summary
Low N/S ratio cultivars had higher sulfur accumulation rate and sulfur harvest index.
- Material
- Low N/S ratio cultivarse0
- Outcome
- sulfur accumulation rate and higher sulfur harvest indexe0
- Direction
- highere0
Not reportedTaxon
Verbatim
e0“Low N/S ratio cultivars had lower nitrogen harvest index,higher sulfur accumulation rate and higher sulfur harvest index.”
Claim · model-written summary
Nitrogen and sulfur allocation to grain was identified as the principal reason for cultivar differences in grain N/S ratio.
Not reportedTaxon
Verbatim
e0“The pro- portions of nitrogen and sulfur allocation to grain were the main reason causing for the difference of N/S ratio in grain over different cuhivars.”
Claim · model-written summary
Glutenin content, glutenin/gliadin ratio, and dough development time differed significantly among groups.
- Outcome
- content of glutenin,the glutenin/gliadin ratio,dough devel- opment timee0
- Comparator
- different groupse0
Not reportedTaxonDirection
Verbatim
e0“There were significant differences in the content of glutenin,the glutenin/gliadin ratio,dough devel- opment time and stability time between different groups”
Claim · model-written summary
Dough stability time differed significantly among groups.
Not reportedTaxonDirection
Verbatim
e0“There were significant differences in the content of glutenin,the glutenin/gliadin ratio,dough devel- opment time and stability time between different groups”
Claim · model-written summary
All four grain quality parameters had a quadratic relation with grain N/S ratio.
Not reportedTaxonDirection
Verbatim
e0“all parameters had a quadric curved lines relation with N/S ratio in grain”
Claim · model-written summary
A suitable grain N/S ratio favored glutenin accumulation and grain quality.
- Outcome
- accumulation of glutenin and the grain qualitye0
- Direction
- propitiouse0
- Comparator
- Suitable N/S ratio in graine0
Not reportedTaxon
Verbatim
e0“Suitable N/S ratio in grain was propitious to the accumulation of glutenin and the grain quality.”