Abstract
The effects of sulfur on starch synthesis and related enzymes activity in kernels of wheat were studied in field experiments where the extractable sulfur content in the experimental soil of 0-20 cm soil layer was 5.84 mg/kg. The sucrose content and the activities of sucrose synthase (SS), adenosine diphosphate glucose pyrophosphorylase (ADPGPPase), soluble starch synthase (SSS) and granule bound starch synthase (GBSS) in kernels were examined with HPLC and enzymological methods. It was showed that addition of sulfur not only increased the sucrose content in kernels, but also enhanced SS activity thereby favoring sucrose degradation (Fig.1). Addition of sulfur kept ADPGPPase (Fig.2) higher during the middle and the later kernel filling stages, improved SSS activity during kernel filling and kept GBSS activity higher during the middle and the later kernel filling stages (Fig.3). Amylose and amylopectin synthesis were advanced (Fig.4), total amount of starch accumulated and weight per 1 000 kernels and kernel yield was increased (Table 1) as sulfur was applied. The results demonstrate that sulfur has significant effects in improving kernel starch synthesis capability and kernel weight and thereby increasing kernel yield.
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Claims 9
Claim · model-written summary
Sulfur increased kernel sucrose content.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- addition of sulfure0
- Outcome
- sucrose content in kernelse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“addition of sulfur not only increased the sucrose content in kernels”
t0“Wheat”
Claim · model-written summary
Sulfur enhanced kernel sucrose synthase activity and favored sucrose degradation.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- addition of sulfure0
- Gene
- SSe0
- Outcome
- SS activitye0
- Direction
- enhancede0
- Qualifier
- favoring sucrose degradatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“addition of sulfur not only increased the sucrose content in kernels, but also enhanced SS activity thereby favoring sucrose degradation”
t0“Wheat”
Claim · model-written summary
Sulfur maintained higher ADPGPPase activity during middle and late kernel filling.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- middle and the later kernel filling stagese0
- Treatment
- Addition of sulfure0
- Gene
- ADPGPPasee0
- Outcome
- ADPGPPasee0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of sulfur kept ADPGPPase (Fig.2) higher during the middle and the later kernel filling stages”
t0“Wheat”
Claim · model-written summary
Sulfur improved soluble starch synthase activity during kernel filling.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- kernel fillinge0
- Treatment
- Addition of sulfurt1
- Gene
- SSSe0
- Outcome
- SSS activitye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“improved SSS activity during kernel filling”
t0“Wheat”
t1“Addition of sulfur”
Claim · model-written summary
Sulfur maintained higher GBSS activity in middle and late kernel filling.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- middle and the later kernel filling stagese0
- Treatment
- Addition of sulfurt1
- Gene
- GBSSe0
- Outcome
- GBSS activitye0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“kept GBSS activity higher during the middle and the later kernel filling stages”
t0“Wheat”
t1“Addition of sulfur”
Claim · model-written summary
Sulfur advanced amylose and amylopectin synthesis.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- sulfurt1
- Outcome
- Amylose and amylopectin synthesise0
- Direction
- advancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Amylose and amylopectin synthesis were advanced (Fig.4)”
t0“Wheat”
t1“as sulfur was applied”
Claim · model-written summary
Sulfur increased total starch accumulation.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- sulfurt1
- Outcome
- total amount of starche0
- Direction
- accumulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“total amount of starch accumulated”
t0“Wheat”
t1“as sulfur was applied”
Claim · model-written summary
Sulfur increased thousand kernel weight.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- sulfurt1
- Outcome
- weight per 1 000 kernelse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“weight per 1 000 kernels and kernel yield was increased”
t0“Wheat”
t1“as sulfur was applied”
Claim · model-written summary
Sulfur increased kernel yield.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- sulfurt1
- Outcome
- kernel yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“weight per 1 000 kernels and kernel yield was increased”
t0“Wheat”
t1“as sulfur was applied”
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See all 9 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.