Abstract
Field experiment was carried out to investigate the effects of sulfur application on protein accumulation of two winter wheat cultivars (Lumai 22 and Yannong 15) in the 1998-1999. The available sulfur content in the experimental soil was 5.84 mg/kg. Treatments of 172.5 kg/hm 2 P 2O 5, 112.5 kg/hm 2 K 2O and 240 kg/hm 2 N were factorially combined with three S treatments (0, 67.5 and 90 kg/hm 2 S). In contrast, sulfur addition not only increased the nitrate reductase (NR) activity in roots and in flag leaves of wheat, but also increased total free amino acids content and soluble protein content in flag leaves, promoted protein synthesis in flag leaves. Endopeptidase and carboxypeptidase activity in flag leaves increased as well, protein degradation promoted in response to S application. Treatment with 67.5 kg S /hm 2 increased glutenin accumulating rate and total protein content in kernels, improved quality, increased grain and protein yield; But treatment with 90 kg S/hm 2 increased gliadin at the expense of glutenin, the quality was not improved, the grain and protein yield were not increased significantly.
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Claims 11
Claim · model-written summary
Sulfur addition increased nitrate reductase activity in roots and flag leaves of wheat.
- Taxon
- Winter Wheat
Triticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“sulfur addition not only increased the nitrate reductase (NR) activity in roots and in flag leaves of wheat”
Claim · model-written summary
Sulfur addition increased total free amino acids content and soluble protein content in flag leaves.
- Taxon
- Winter WheatTriticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“sulfur addition not only increased the nitrate reductase (NR) activity in roots and in flag leaves of wheat, but also increased total free amino acids content and soluble protein content in flag leaves”
Claim · model-written summary
Sulfur addition promoted protein synthesis in flag leaves.
- Taxon
- Winter WheatTriticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“sulfur addition not only increased the nitrate reductase (NR) activity in roots and in flag leaves of wheat, but also increased total free amino acids content and soluble protein content in flag leaves, promoted protein synthesis in flag leaves”
Claim · model-written summary
Sulfur application increased endopeptidase and carboxypeptidase activity in flag leaves.
- Taxon
- Winter WheatTriticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“Endopeptidase and carboxypeptidase activity in flag leaves increased as well, protein degradation promoted in response to S application”
Claim · model-written summary
Sulfur application promoted protein degradation.
- Taxon
- Winter WheatTriticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“Endopeptidase and carboxypeptidase activity in flag leaves increased as well, protein degradation promoted in response to S application”
Claim · model-written summary
67.5 kg S/hm2 increased glutenin accumulating rate and total protein content in kernels.
- Taxon
- Winter WheatTriticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“Treatment with 67.5 kg S /hm 2 increased glutenin accumulating rate and total protein content in kernels, improved quality, increased grain and protein yield”
Claim · model-written summary
67.5 kg S/hm2 improved grain quality.
- Taxon
- Winter WheatTriticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“Treatment with 67.5 kg S /hm 2 increased glutenin accumulating rate and total protein content in kernels, improved quality, increased grain and protein yield”
Claim · model-written summary
67.5 kg S/hm2 increased grain and protein yield.
- Taxon
- Winter WheatTriticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“Treatment with 67.5 kg S /hm 2 increased glutenin accumulating rate and total protein content in kernels, improved quality, increased grain and protein yield”
Claim · model-written summary
90 kg S/hm2 increased gliadin at the expense of glutenin.
- Taxon
- Winter WheatTriticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“treatment with 90 kg S/hm 2 increased gliadin at the expense of glutenin”
Claim · model-written summary
90 kg S/hm2 did not improve quality.
- Taxon
- Winter WheatTriticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“treatment with 90 kg S/hm 2 increased gliadin at the expense of glutenin, the quality was not improved”
Claim · model-written summary
90 kg S/hm2 did not significantly increase grain and protein yield.
- Taxon
- Winter WheatTriticum aestivumt0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Wheat”
e0“treatment with 90 kg S/hm 2 increased gliadin at the expense of glutenin, the quality was not improved, the grain and protein yield were not increased significantly”
The same questions in other papers
sulfur atom · quality: protein · Triticum aestivum (wheat)Results differ
43 papers in the same direction as this paper · 7 in the opposite direction
- no effect
- no effect
- negative
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See all 51 papers →sulfur atom · physiology: osmolytes · Triticum aestivum (wheat)Results agree
2 papers in the same direction as this paper
- positive
- positive
sulfur atom · physiology: enzyme activity · Triticum aestivum (wheat)Results agree
6 papers in the same direction as this paper
- positive
- positive
- positive
3 papers more in this group
See all 7 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.