Abstract
Little is known about the alleviation of boron (B) toxicity in wheat induced by silicon (Si), especially on the photosynthesis properties and antioxidative responses. The purpose of this research was to evaluate the effect of Si on the toxicity of B in wheat and the related mechanisms. A greenhouse pot experiment was conducted using wheat (Triticum aestivum Linn.) at the early seedling stage. Boric acid was added to soil to create three B concentrations. Each B treatment consisted of two Si treatment including control and Si application. Our results show that Si has an alleviative effect on B toxicity in wheat plant. Si showed significant alleviative effect on wheat growth at 150 mg B kg−1 whereas did not show significant alleviative effect at 300 mg B kg−1. Under B stress, plant dry weight of wheat was reduced and the reduction was alleviated by Si. However, plant tissue B accumulation was not reduced by the application of Si. Net photosynthetic rates of wheat were not influenced significantly by B or Si. The oxidative damages in wheat that were caused by excess B were not significantly alleviated by Si. These results suggest that the effect of Si on B toxicity in wheat is still controversial and more studies need to be conducted.
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Claims 7
Claim · model-written summary
Silicon significantly alleviated boron toxicity effects on wheat growth at 150 mg B per kg soil.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Sie0
- Outcome
- wheat growthe0
- Direction
- alleviativee0
- Qualifier
- 150 mg B kg−1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si showed significant alleviative effect on wheat growth at 150 mg B kg−1”
Claim · model-written summary
Silicon did not show a significant alleviative effect on wheat growth at 300 mg B per kg soil.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Sie0
- Outcome
- alleviative effecte0
- Direction
- did not show significant alleviative effecte0
- Qualifier
- 300 mg B kg−1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“whereas did not show significant alleviative effect at 300 mg B kg−1”
t0“wheat”
Claim · model-written summary
Under boron stress, plant dry weight of wheat was reduced.
- Taxon
- wheatTriticum aestivume0
- Treatment
- B stresse0
- Outcome
- plant dry weighte0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under B stress, plant dry weight of wheat was reduced and the reduction was alleviated by Si”
Claim · model-written summary
The boron-induced reduction in wheat plant dry weight was alleviated by silicon.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Sie0
- Outcome
- plant dry weighte0
- Direction
- alleviatede0
- Qualifier
- Under B stresse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under B stress, plant dry weight of wheat was reduced and the reduction was alleviated by Si”
Claim · model-written summary
Plant tissue boron accumulation in wheat was not reduced by silicon application.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- application of Sie0
- Outcome
- plant tissue B accumulatione0
- Direction
- not reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant tissue B accumulation was not reduced by the application of Si”
t0“wheat”
Claim · model-written summary
Net photosynthetic rates of wheat were not significantly influenced by boron or silicon.
- Taxon
- wheatTriticum aestivume0
- Treatment
- B or Sie0
- Outcome
- Net photosynthetic ratese0
- Direction
- not influencede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Net photosynthetic rates of wheat were not influenced significantly by B or Si”
Claim · model-written summary
Oxidative damage in wheat caused by excess boron was not significantly alleviated by silicon.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Sie0
- Outcome
- oxidative damagese0
- Direction
- not significantly alleviatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The oxidative damages in wheat that were caused by excess B were not significantly alleviated by Si”
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